| Step |
Hyp |
Ref |
Expression |
| 1 |
|
poimir.0 |
⊢ ( 𝜑 → 𝑁 ∈ ℕ ) |
| 2 |
|
poimirlem22.s |
⊢ 𝑆 = { 𝑡 ∈ ( ( ( ( 0 ..^ 𝐾 ) ↑m ( 1 ... 𝑁 ) ) × { 𝑓 ∣ 𝑓 : ( 1 ... 𝑁 ) –1-1-onto→ ( 1 ... 𝑁 ) } ) × ( 0 ... 𝑁 ) ) ∣ 𝐹 = ( 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ↦ ⦋ if ( 𝑦 < ( 2nd ‘ 𝑡 ) , 𝑦 , ( 𝑦 + 1 ) ) / 𝑗 ⦌ ( ( 1st ‘ ( 1st ‘ 𝑡 ) ) ∘f + ( ( ( ( 2nd ‘ ( 1st ‘ 𝑡 ) ) “ ( 1 ... 𝑗 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑡 ) ) “ ( ( 𝑗 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) ) } |
| 3 |
|
poimirlem22.1 |
⊢ ( 𝜑 → 𝐹 : ( 0 ... ( 𝑁 − 1 ) ) ⟶ ( ( 0 ... 𝐾 ) ↑m ( 1 ... 𝑁 ) ) ) |
| 4 |
|
poimirlem22.2 |
⊢ ( 𝜑 → 𝑇 ∈ 𝑆 ) |
| 5 |
|
poimirlem22.3 |
⊢ ( ( 𝜑 ∧ 𝑛 ∈ ( 1 ... 𝑁 ) ) → ∃ 𝑝 ∈ ran 𝐹 ( 𝑝 ‘ 𝑛 ) ≠ 0 ) |
| 6 |
|
poimirlem21.4 |
⊢ ( 𝜑 → ( 2nd ‘ 𝑇 ) = 𝑁 ) |
| 7 |
|
oveq2 |
⊢ ( 1 = if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) → ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − 1 ) = ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) |
| 8 |
7
|
eleq1d |
⊢ ( 1 = if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) → ( ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − 1 ) ∈ ( 0 ..^ 𝐾 ) ↔ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ∈ ( 0 ..^ 𝐾 ) ) ) |
| 9 |
|
oveq2 |
⊢ ( 0 = if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) → ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − 0 ) = ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) |
| 10 |
9
|
eleq1d |
⊢ ( 0 = if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) → ( ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − 0 ) ∈ ( 0 ..^ 𝐾 ) ↔ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ∈ ( 0 ..^ 𝐾 ) ) ) |
| 11 |
|
fveq2 |
⊢ ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) → ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) = ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) ) |
| 12 |
11
|
oveq1d |
⊢ ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) → ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − 1 ) = ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) − 1 ) ) |
| 13 |
12
|
adantl |
⊢ ( ( 𝜑 ∧ 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) → ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − 1 ) = ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) − 1 ) ) |
| 14 |
|
elrabi |
⊢ ( 𝑇 ∈ { 𝑡 ∈ ( ( ( ( 0 ..^ 𝐾 ) ↑m ( 1 ... 𝑁 ) ) × { 𝑓 ∣ 𝑓 : ( 1 ... 𝑁 ) –1-1-onto→ ( 1 ... 𝑁 ) } ) × ( 0 ... 𝑁 ) ) ∣ 𝐹 = ( 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ↦ ⦋ if ( 𝑦 < ( 2nd ‘ 𝑡 ) , 𝑦 , ( 𝑦 + 1 ) ) / 𝑗 ⦌ ( ( 1st ‘ ( 1st ‘ 𝑡 ) ) ∘f + ( ( ( ( 2nd ‘ ( 1st ‘ 𝑡 ) ) “ ( 1 ... 𝑗 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑡 ) ) “ ( ( 𝑗 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) ) } → 𝑇 ∈ ( ( ( ( 0 ..^ 𝐾 ) ↑m ( 1 ... 𝑁 ) ) × { 𝑓 ∣ 𝑓 : ( 1 ... 𝑁 ) –1-1-onto→ ( 1 ... 𝑁 ) } ) × ( 0 ... 𝑁 ) ) ) |
| 15 |
14 2
|
eleq2s |
⊢ ( 𝑇 ∈ 𝑆 → 𝑇 ∈ ( ( ( ( 0 ..^ 𝐾 ) ↑m ( 1 ... 𝑁 ) ) × { 𝑓 ∣ 𝑓 : ( 1 ... 𝑁 ) –1-1-onto→ ( 1 ... 𝑁 ) } ) × ( 0 ... 𝑁 ) ) ) |
| 16 |
4 15
|
syl |
⊢ ( 𝜑 → 𝑇 ∈ ( ( ( ( 0 ..^ 𝐾 ) ↑m ( 1 ... 𝑁 ) ) × { 𝑓 ∣ 𝑓 : ( 1 ... 𝑁 ) –1-1-onto→ ( 1 ... 𝑁 ) } ) × ( 0 ... 𝑁 ) ) ) |
| 17 |
|
xp1st |
⊢ ( 𝑇 ∈ ( ( ( ( 0 ..^ 𝐾 ) ↑m ( 1 ... 𝑁 ) ) × { 𝑓 ∣ 𝑓 : ( 1 ... 𝑁 ) –1-1-onto→ ( 1 ... 𝑁 ) } ) × ( 0 ... 𝑁 ) ) → ( 1st ‘ 𝑇 ) ∈ ( ( ( 0 ..^ 𝐾 ) ↑m ( 1 ... 𝑁 ) ) × { 𝑓 ∣ 𝑓 : ( 1 ... 𝑁 ) –1-1-onto→ ( 1 ... 𝑁 ) } ) ) |
| 18 |
16 17
|
syl |
⊢ ( 𝜑 → ( 1st ‘ 𝑇 ) ∈ ( ( ( 0 ..^ 𝐾 ) ↑m ( 1 ... 𝑁 ) ) × { 𝑓 ∣ 𝑓 : ( 1 ... 𝑁 ) –1-1-onto→ ( 1 ... 𝑁 ) } ) ) |
| 19 |
|
xp1st |
⊢ ( ( 1st ‘ 𝑇 ) ∈ ( ( ( 0 ..^ 𝐾 ) ↑m ( 1 ... 𝑁 ) ) × { 𝑓 ∣ 𝑓 : ( 1 ... 𝑁 ) –1-1-onto→ ( 1 ... 𝑁 ) } ) → ( 1st ‘ ( 1st ‘ 𝑇 ) ) ∈ ( ( 0 ..^ 𝐾 ) ↑m ( 1 ... 𝑁 ) ) ) |
| 20 |
18 19
|
syl |
⊢ ( 𝜑 → ( 1st ‘ ( 1st ‘ 𝑇 ) ) ∈ ( ( 0 ..^ 𝐾 ) ↑m ( 1 ... 𝑁 ) ) ) |
| 21 |
|
elmapi |
⊢ ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ∈ ( ( 0 ..^ 𝐾 ) ↑m ( 1 ... 𝑁 ) ) → ( 1st ‘ ( 1st ‘ 𝑇 ) ) : ( 1 ... 𝑁 ) ⟶ ( 0 ..^ 𝐾 ) ) |
| 22 |
20 21
|
syl |
⊢ ( 𝜑 → ( 1st ‘ ( 1st ‘ 𝑇 ) ) : ( 1 ... 𝑁 ) ⟶ ( 0 ..^ 𝐾 ) ) |
| 23 |
|
xp2nd |
⊢ ( ( 1st ‘ 𝑇 ) ∈ ( ( ( 0 ..^ 𝐾 ) ↑m ( 1 ... 𝑁 ) ) × { 𝑓 ∣ 𝑓 : ( 1 ... 𝑁 ) –1-1-onto→ ( 1 ... 𝑁 ) } ) → ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∈ { 𝑓 ∣ 𝑓 : ( 1 ... 𝑁 ) –1-1-onto→ ( 1 ... 𝑁 ) } ) |
| 24 |
18 23
|
syl |
⊢ ( 𝜑 → ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∈ { 𝑓 ∣ 𝑓 : ( 1 ... 𝑁 ) –1-1-onto→ ( 1 ... 𝑁 ) } ) |
| 25 |
|
fvex |
⊢ ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∈ V |
| 26 |
|
f1oeq1 |
⊢ ( 𝑓 = ( 2nd ‘ ( 1st ‘ 𝑇 ) ) → ( 𝑓 : ( 1 ... 𝑁 ) –1-1-onto→ ( 1 ... 𝑁 ) ↔ ( 2nd ‘ ( 1st ‘ 𝑇 ) ) : ( 1 ... 𝑁 ) –1-1-onto→ ( 1 ... 𝑁 ) ) ) |
| 27 |
25 26
|
elab |
⊢ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∈ { 𝑓 ∣ 𝑓 : ( 1 ... 𝑁 ) –1-1-onto→ ( 1 ... 𝑁 ) } ↔ ( 2nd ‘ ( 1st ‘ 𝑇 ) ) : ( 1 ... 𝑁 ) –1-1-onto→ ( 1 ... 𝑁 ) ) |
| 28 |
24 27
|
sylib |
⊢ ( 𝜑 → ( 2nd ‘ ( 1st ‘ 𝑇 ) ) : ( 1 ... 𝑁 ) –1-1-onto→ ( 1 ... 𝑁 ) ) |
| 29 |
|
f1of |
⊢ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) : ( 1 ... 𝑁 ) –1-1-onto→ ( 1 ... 𝑁 ) → ( 2nd ‘ ( 1st ‘ 𝑇 ) ) : ( 1 ... 𝑁 ) ⟶ ( 1 ... 𝑁 ) ) |
| 30 |
28 29
|
syl |
⊢ ( 𝜑 → ( 2nd ‘ ( 1st ‘ 𝑇 ) ) : ( 1 ... 𝑁 ) ⟶ ( 1 ... 𝑁 ) ) |
| 31 |
|
elfz1end |
⊢ ( 𝑁 ∈ ℕ ↔ 𝑁 ∈ ( 1 ... 𝑁 ) ) |
| 32 |
1 31
|
sylib |
⊢ ( 𝜑 → 𝑁 ∈ ( 1 ... 𝑁 ) ) |
| 33 |
30 32
|
ffvelcdmd |
⊢ ( 𝜑 → ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ∈ ( 1 ... 𝑁 ) ) |
| 34 |
22 33
|
ffvelcdmd |
⊢ ( 𝜑 → ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) ∈ ( 0 ..^ 𝐾 ) ) |
| 35 |
|
elfzonn0 |
⊢ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) ∈ ( 0 ..^ 𝐾 ) → ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) ∈ ℕ0 ) |
| 36 |
34 35
|
syl |
⊢ ( 𝜑 → ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) ∈ ℕ0 ) |
| 37 |
|
fvex |
⊢ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ∈ V |
| 38 |
|
eleq1 |
⊢ ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) → ( 𝑛 ∈ ( 1 ... 𝑁 ) ↔ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ∈ ( 1 ... 𝑁 ) ) ) |
| 39 |
38
|
anbi2d |
⊢ ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) → ( ( 𝜑 ∧ 𝑛 ∈ ( 1 ... 𝑁 ) ) ↔ ( 𝜑 ∧ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ∈ ( 1 ... 𝑁 ) ) ) ) |
| 40 |
|
fveq2 |
⊢ ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) → ( 𝑝 ‘ 𝑛 ) = ( 𝑝 ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) ) |
| 41 |
40
|
neeq1d |
⊢ ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) → ( ( 𝑝 ‘ 𝑛 ) ≠ 0 ↔ ( 𝑝 ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) ≠ 0 ) ) |
| 42 |
41
|
rexbidv |
⊢ ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) → ( ∃ 𝑝 ∈ ran 𝐹 ( 𝑝 ‘ 𝑛 ) ≠ 0 ↔ ∃ 𝑝 ∈ ran 𝐹 ( 𝑝 ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) ≠ 0 ) ) |
| 43 |
39 42
|
imbi12d |
⊢ ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) → ( ( ( 𝜑 ∧ 𝑛 ∈ ( 1 ... 𝑁 ) ) → ∃ 𝑝 ∈ ran 𝐹 ( 𝑝 ‘ 𝑛 ) ≠ 0 ) ↔ ( ( 𝜑 ∧ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ∈ ( 1 ... 𝑁 ) ) → ∃ 𝑝 ∈ ran 𝐹 ( 𝑝 ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) ≠ 0 ) ) ) |
| 44 |
37 43 5
|
vtocl |
⊢ ( ( 𝜑 ∧ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ∈ ( 1 ... 𝑁 ) ) → ∃ 𝑝 ∈ ran 𝐹 ( 𝑝 ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) ≠ 0 ) |
| 45 |
33 44
|
mpdan |
⊢ ( 𝜑 → ∃ 𝑝 ∈ ran 𝐹 ( 𝑝 ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) ≠ 0 ) |
| 46 |
|
fveq1 |
⊢ ( 𝑝 = ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ∘f + ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) → ( 𝑝 ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) = ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ∘f + ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) ) |
| 47 |
22
|
ffnd |
⊢ ( 𝜑 → ( 1st ‘ ( 1st ‘ 𝑇 ) ) Fn ( 1 ... 𝑁 ) ) |
| 48 |
47
|
adantr |
⊢ ( ( 𝜑 ∧ 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ) → ( 1st ‘ ( 1st ‘ 𝑇 ) ) Fn ( 1 ... 𝑁 ) ) |
| 49 |
|
1ex |
⊢ 1 ∈ V |
| 50 |
|
fnconstg |
⊢ ( 1 ∈ V → ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) × { 1 } ) Fn ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) ) |
| 51 |
49 50
|
ax-mp |
⊢ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) × { 1 } ) Fn ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) |
| 52 |
|
c0ex |
⊢ 0 ∈ V |
| 53 |
|
fnconstg |
⊢ ( 0 ∈ V → ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) × { 0 } ) Fn ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) ) |
| 54 |
52 53
|
ax-mp |
⊢ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) × { 0 } ) Fn ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) |
| 55 |
51 54
|
pm3.2i |
⊢ ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) × { 1 } ) Fn ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) ∧ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) × { 0 } ) Fn ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) ) |
| 56 |
|
dff1o3 |
⊢ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) : ( 1 ... 𝑁 ) –1-1-onto→ ( 1 ... 𝑁 ) ↔ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) : ( 1 ... 𝑁 ) –onto→ ( 1 ... 𝑁 ) ∧ Fun ◡ ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ) ) |
| 57 |
56
|
simprbi |
⊢ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) : ( 1 ... 𝑁 ) –1-1-onto→ ( 1 ... 𝑁 ) → Fun ◡ ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ) |
| 58 |
28 57
|
syl |
⊢ ( 𝜑 → Fun ◡ ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ) |
| 59 |
|
imain |
⊢ ( Fun ◡ ( 2nd ‘ ( 1st ‘ 𝑇 ) ) → ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 1 ... 𝑦 ) ∩ ( ( 𝑦 + 1 ) ... 𝑁 ) ) ) = ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) ∩ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) ) ) |
| 60 |
58 59
|
syl |
⊢ ( 𝜑 → ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 1 ... 𝑦 ) ∩ ( ( 𝑦 + 1 ) ... 𝑁 ) ) ) = ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) ∩ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) ) ) |
| 61 |
|
elfznn0 |
⊢ ( 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) → 𝑦 ∈ ℕ0 ) |
| 62 |
61
|
nn0red |
⊢ ( 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) → 𝑦 ∈ ℝ ) |
| 63 |
62
|
ltp1d |
⊢ ( 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) → 𝑦 < ( 𝑦 + 1 ) ) |
| 64 |
|
fzdisj |
⊢ ( 𝑦 < ( 𝑦 + 1 ) → ( ( 1 ... 𝑦 ) ∩ ( ( 𝑦 + 1 ) ... 𝑁 ) ) = ∅ ) |
| 65 |
63 64
|
syl |
⊢ ( 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) → ( ( 1 ... 𝑦 ) ∩ ( ( 𝑦 + 1 ) ... 𝑁 ) ) = ∅ ) |
| 66 |
65
|
imaeq2d |
⊢ ( 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) → ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 1 ... 𝑦 ) ∩ ( ( 𝑦 + 1 ) ... 𝑁 ) ) ) = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ∅ ) ) |
| 67 |
|
ima0 |
⊢ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ∅ ) = ∅ |
| 68 |
66 67
|
eqtrdi |
⊢ ( 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) → ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 1 ... 𝑦 ) ∩ ( ( 𝑦 + 1 ) ... 𝑁 ) ) ) = ∅ ) |
| 69 |
60 68
|
sylan9req |
⊢ ( ( 𝜑 ∧ 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ) → ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) ∩ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) ) = ∅ ) |
| 70 |
|
fnun |
⊢ ( ( ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) × { 1 } ) Fn ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) ∧ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) × { 0 } ) Fn ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) ) ∧ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) ∩ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) ) = ∅ ) → ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) × { 0 } ) ) Fn ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) ∪ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) ) ) |
| 71 |
55 69 70
|
sylancr |
⊢ ( ( 𝜑 ∧ 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ) → ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) × { 0 } ) ) Fn ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) ∪ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) ) ) |
| 72 |
|
imaundi |
⊢ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 1 ... 𝑦 ) ∪ ( ( 𝑦 + 1 ) ... 𝑁 ) ) ) = ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) ∪ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) ) |
| 73 |
|
nn0p1nn |
⊢ ( 𝑦 ∈ ℕ0 → ( 𝑦 + 1 ) ∈ ℕ ) |
| 74 |
|
nnuz |
⊢ ℕ = ( ℤ≥ ‘ 1 ) |
| 75 |
73 74
|
eleqtrdi |
⊢ ( 𝑦 ∈ ℕ0 → ( 𝑦 + 1 ) ∈ ( ℤ≥ ‘ 1 ) ) |
| 76 |
61 75
|
syl |
⊢ ( 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) → ( 𝑦 + 1 ) ∈ ( ℤ≥ ‘ 1 ) ) |
| 77 |
76
|
adantl |
⊢ ( ( 𝜑 ∧ 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ) → ( 𝑦 + 1 ) ∈ ( ℤ≥ ‘ 1 ) ) |
| 78 |
1
|
nncnd |
⊢ ( 𝜑 → 𝑁 ∈ ℂ ) |
| 79 |
|
npcan1 |
⊢ ( 𝑁 ∈ ℂ → ( ( 𝑁 − 1 ) + 1 ) = 𝑁 ) |
| 80 |
78 79
|
syl |
⊢ ( 𝜑 → ( ( 𝑁 − 1 ) + 1 ) = 𝑁 ) |
| 81 |
80
|
adantr |
⊢ ( ( 𝜑 ∧ 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ) → ( ( 𝑁 − 1 ) + 1 ) = 𝑁 ) |
| 82 |
|
elfzuz3 |
⊢ ( 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) → ( 𝑁 − 1 ) ∈ ( ℤ≥ ‘ 𝑦 ) ) |
| 83 |
|
peano2uz |
⊢ ( ( 𝑁 − 1 ) ∈ ( ℤ≥ ‘ 𝑦 ) → ( ( 𝑁 − 1 ) + 1 ) ∈ ( ℤ≥ ‘ 𝑦 ) ) |
| 84 |
82 83
|
syl |
⊢ ( 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) → ( ( 𝑁 − 1 ) + 1 ) ∈ ( ℤ≥ ‘ 𝑦 ) ) |
| 85 |
84
|
adantl |
⊢ ( ( 𝜑 ∧ 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ) → ( ( 𝑁 − 1 ) + 1 ) ∈ ( ℤ≥ ‘ 𝑦 ) ) |
| 86 |
81 85
|
eqeltrrd |
⊢ ( ( 𝜑 ∧ 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ) → 𝑁 ∈ ( ℤ≥ ‘ 𝑦 ) ) |
| 87 |
|
fzsplit2 |
⊢ ( ( ( 𝑦 + 1 ) ∈ ( ℤ≥ ‘ 1 ) ∧ 𝑁 ∈ ( ℤ≥ ‘ 𝑦 ) ) → ( 1 ... 𝑁 ) = ( ( 1 ... 𝑦 ) ∪ ( ( 𝑦 + 1 ) ... 𝑁 ) ) ) |
| 88 |
77 86 87
|
syl2anc |
⊢ ( ( 𝜑 ∧ 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ) → ( 1 ... 𝑁 ) = ( ( 1 ... 𝑦 ) ∪ ( ( 𝑦 + 1 ) ... 𝑁 ) ) ) |
| 89 |
88
|
imaeq2d |
⊢ ( ( 𝜑 ∧ 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ) → ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑁 ) ) = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 1 ... 𝑦 ) ∪ ( ( 𝑦 + 1 ) ... 𝑁 ) ) ) ) |
| 90 |
|
f1ofo |
⊢ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) : ( 1 ... 𝑁 ) –1-1-onto→ ( 1 ... 𝑁 ) → ( 2nd ‘ ( 1st ‘ 𝑇 ) ) : ( 1 ... 𝑁 ) –onto→ ( 1 ... 𝑁 ) ) |
| 91 |
|
foima |
⊢ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) : ( 1 ... 𝑁 ) –onto→ ( 1 ... 𝑁 ) → ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑁 ) ) = ( 1 ... 𝑁 ) ) |
| 92 |
28 90 91
|
3syl |
⊢ ( 𝜑 → ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑁 ) ) = ( 1 ... 𝑁 ) ) |
| 93 |
92
|
adantr |
⊢ ( ( 𝜑 ∧ 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ) → ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑁 ) ) = ( 1 ... 𝑁 ) ) |
| 94 |
89 93
|
eqtr3d |
⊢ ( ( 𝜑 ∧ 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ) → ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 1 ... 𝑦 ) ∪ ( ( 𝑦 + 1 ) ... 𝑁 ) ) ) = ( 1 ... 𝑁 ) ) |
| 95 |
72 94
|
eqtr3id |
⊢ ( ( 𝜑 ∧ 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ) → ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) ∪ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) ) = ( 1 ... 𝑁 ) ) |
| 96 |
95
|
fneq2d |
⊢ ( ( 𝜑 ∧ 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ) → ( ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) × { 0 } ) ) Fn ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) ∪ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) ) ↔ ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) × { 0 } ) ) Fn ( 1 ... 𝑁 ) ) ) |
| 97 |
71 96
|
mpbid |
⊢ ( ( 𝜑 ∧ 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ) → ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) × { 0 } ) ) Fn ( 1 ... 𝑁 ) ) |
| 98 |
|
ovex |
⊢ ( 1 ... 𝑁 ) ∈ V |
| 99 |
98
|
a1i |
⊢ ( ( 𝜑 ∧ 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ) → ( 1 ... 𝑁 ) ∈ V ) |
| 100 |
|
inidm |
⊢ ( ( 1 ... 𝑁 ) ∩ ( 1 ... 𝑁 ) ) = ( 1 ... 𝑁 ) |
| 101 |
|
eqidd |
⊢ ( ( ( 𝜑 ∧ 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ) ∧ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ∈ ( 1 ... 𝑁 ) ) → ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) = ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) ) |
| 102 |
|
f1ofn |
⊢ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) : ( 1 ... 𝑁 ) –1-1-onto→ ( 1 ... 𝑁 ) → ( 2nd ‘ ( 1st ‘ 𝑇 ) ) Fn ( 1 ... 𝑁 ) ) |
| 103 |
28 102
|
syl |
⊢ ( 𝜑 → ( 2nd ‘ ( 1st ‘ 𝑇 ) ) Fn ( 1 ... 𝑁 ) ) |
| 104 |
103
|
adantr |
⊢ ( ( 𝜑 ∧ 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ) → ( 2nd ‘ ( 1st ‘ 𝑇 ) ) Fn ( 1 ... 𝑁 ) ) |
| 105 |
|
fzss1 |
⊢ ( ( 𝑦 + 1 ) ∈ ( ℤ≥ ‘ 1 ) → ( ( 𝑦 + 1 ) ... 𝑁 ) ⊆ ( 1 ... 𝑁 ) ) |
| 106 |
76 105
|
syl |
⊢ ( 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) → ( ( 𝑦 + 1 ) ... 𝑁 ) ⊆ ( 1 ... 𝑁 ) ) |
| 107 |
106
|
adantl |
⊢ ( ( 𝜑 ∧ 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ) → ( ( 𝑦 + 1 ) ... 𝑁 ) ⊆ ( 1 ... 𝑁 ) ) |
| 108 |
|
eluzp1p1 |
⊢ ( ( 𝑁 − 1 ) ∈ ( ℤ≥ ‘ 𝑦 ) → ( ( 𝑁 − 1 ) + 1 ) ∈ ( ℤ≥ ‘ ( 𝑦 + 1 ) ) ) |
| 109 |
|
uzss |
⊢ ( ( ( 𝑁 − 1 ) + 1 ) ∈ ( ℤ≥ ‘ ( 𝑦 + 1 ) ) → ( ℤ≥ ‘ ( ( 𝑁 − 1 ) + 1 ) ) ⊆ ( ℤ≥ ‘ ( 𝑦 + 1 ) ) ) |
| 110 |
82 108 109
|
3syl |
⊢ ( 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) → ( ℤ≥ ‘ ( ( 𝑁 − 1 ) + 1 ) ) ⊆ ( ℤ≥ ‘ ( 𝑦 + 1 ) ) ) |
| 111 |
110
|
adantl |
⊢ ( ( 𝜑 ∧ 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ) → ( ℤ≥ ‘ ( ( 𝑁 − 1 ) + 1 ) ) ⊆ ( ℤ≥ ‘ ( 𝑦 + 1 ) ) ) |
| 112 |
1
|
nnzd |
⊢ ( 𝜑 → 𝑁 ∈ ℤ ) |
| 113 |
112
|
uzidd |
⊢ ( 𝜑 → 𝑁 ∈ ( ℤ≥ ‘ 𝑁 ) ) |
| 114 |
80
|
fveq2d |
⊢ ( 𝜑 → ( ℤ≥ ‘ ( ( 𝑁 − 1 ) + 1 ) ) = ( ℤ≥ ‘ 𝑁 ) ) |
| 115 |
113 114
|
eleqtrrd |
⊢ ( 𝜑 → 𝑁 ∈ ( ℤ≥ ‘ ( ( 𝑁 − 1 ) + 1 ) ) ) |
| 116 |
115
|
adantr |
⊢ ( ( 𝜑 ∧ 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ) → 𝑁 ∈ ( ℤ≥ ‘ ( ( 𝑁 − 1 ) + 1 ) ) ) |
| 117 |
111 116
|
sseldd |
⊢ ( ( 𝜑 ∧ 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ) → 𝑁 ∈ ( ℤ≥ ‘ ( 𝑦 + 1 ) ) ) |
| 118 |
|
eluzfz2 |
⊢ ( 𝑁 ∈ ( ℤ≥ ‘ ( 𝑦 + 1 ) ) → 𝑁 ∈ ( ( 𝑦 + 1 ) ... 𝑁 ) ) |
| 119 |
117 118
|
syl |
⊢ ( ( 𝜑 ∧ 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ) → 𝑁 ∈ ( ( 𝑦 + 1 ) ... 𝑁 ) ) |
| 120 |
|
fnfvima |
⊢ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) Fn ( 1 ... 𝑁 ) ∧ ( ( 𝑦 + 1 ) ... 𝑁 ) ⊆ ( 1 ... 𝑁 ) ∧ 𝑁 ∈ ( ( 𝑦 + 1 ) ... 𝑁 ) ) → ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ∈ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) ) |
| 121 |
104 107 119 120
|
syl3anc |
⊢ ( ( 𝜑 ∧ 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ) → ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ∈ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) ) |
| 122 |
|
fvun2 |
⊢ ( ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) × { 1 } ) Fn ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) ∧ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) × { 0 } ) Fn ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) ∧ ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) ∩ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) ) = ∅ ∧ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ∈ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) ) ) → ( ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) = ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) × { 0 } ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) ) |
| 123 |
51 54 122
|
mp3an12 |
⊢ ( ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) ∩ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) ) = ∅ ∧ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ∈ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) ) → ( ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) = ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) × { 0 } ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) ) |
| 124 |
69 121 123
|
syl2anc |
⊢ ( ( 𝜑 ∧ 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ) → ( ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) = ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) × { 0 } ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) ) |
| 125 |
52
|
fvconst2 |
⊢ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ∈ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) → ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) × { 0 } ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) = 0 ) |
| 126 |
121 125
|
syl |
⊢ ( ( 𝜑 ∧ 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ) → ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) × { 0 } ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) = 0 ) |
| 127 |
124 126
|
eqtrd |
⊢ ( ( 𝜑 ∧ 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ) → ( ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) = 0 ) |
| 128 |
127
|
adantr |
⊢ ( ( ( 𝜑 ∧ 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ) ∧ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ∈ ( 1 ... 𝑁 ) ) → ( ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) = 0 ) |
| 129 |
48 97 99 99 100 101 128
|
ofval |
⊢ ( ( ( 𝜑 ∧ 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ) ∧ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ∈ ( 1 ... 𝑁 ) ) → ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ∘f + ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) = ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) + 0 ) ) |
| 130 |
33 129
|
mpidan |
⊢ ( ( 𝜑 ∧ 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ) → ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ∘f + ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) = ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) + 0 ) ) |
| 131 |
36
|
nn0cnd |
⊢ ( 𝜑 → ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) ∈ ℂ ) |
| 132 |
131
|
addridd |
⊢ ( 𝜑 → ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) + 0 ) = ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) ) |
| 133 |
132
|
adantr |
⊢ ( ( 𝜑 ∧ 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ) → ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) + 0 ) = ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) ) |
| 134 |
130 133
|
eqtrd |
⊢ ( ( 𝜑 ∧ 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ) → ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ∘f + ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) = ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) ) |
| 135 |
46 134
|
sylan9eqr |
⊢ ( ( ( 𝜑 ∧ 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ) ∧ 𝑝 = ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ∘f + ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) ) → ( 𝑝 ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) = ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) ) |
| 136 |
135
|
adantllr |
⊢ ( ( ( ( 𝜑 ∧ 𝑝 ∈ ran 𝐹 ) ∧ 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ) ∧ 𝑝 = ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ∘f + ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) ) → ( 𝑝 ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) = ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) ) |
| 137 |
|
fveq2 |
⊢ ( 𝑡 = 𝑇 → ( 2nd ‘ 𝑡 ) = ( 2nd ‘ 𝑇 ) ) |
| 138 |
137
|
breq2d |
⊢ ( 𝑡 = 𝑇 → ( 𝑦 < ( 2nd ‘ 𝑡 ) ↔ 𝑦 < ( 2nd ‘ 𝑇 ) ) ) |
| 139 |
138
|
ifbid |
⊢ ( 𝑡 = 𝑇 → if ( 𝑦 < ( 2nd ‘ 𝑡 ) , 𝑦 , ( 𝑦 + 1 ) ) = if ( 𝑦 < ( 2nd ‘ 𝑇 ) , 𝑦 , ( 𝑦 + 1 ) ) ) |
| 140 |
|
2fveq3 |
⊢ ( 𝑡 = 𝑇 → ( 1st ‘ ( 1st ‘ 𝑡 ) ) = ( 1st ‘ ( 1st ‘ 𝑇 ) ) ) |
| 141 |
|
2fveq3 |
⊢ ( 𝑡 = 𝑇 → ( 2nd ‘ ( 1st ‘ 𝑡 ) ) = ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ) |
| 142 |
141
|
imaeq1d |
⊢ ( 𝑡 = 𝑇 → ( ( 2nd ‘ ( 1st ‘ 𝑡 ) ) “ ( 1 ... 𝑗 ) ) = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑗 ) ) ) |
| 143 |
142
|
xpeq1d |
⊢ ( 𝑡 = 𝑇 → ( ( ( 2nd ‘ ( 1st ‘ 𝑡 ) ) “ ( 1 ... 𝑗 ) ) × { 1 } ) = ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑗 ) ) × { 1 } ) ) |
| 144 |
141
|
imaeq1d |
⊢ ( 𝑡 = 𝑇 → ( ( 2nd ‘ ( 1st ‘ 𝑡 ) ) “ ( ( 𝑗 + 1 ) ... 𝑁 ) ) = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑗 + 1 ) ... 𝑁 ) ) ) |
| 145 |
144
|
xpeq1d |
⊢ ( 𝑡 = 𝑇 → ( ( ( 2nd ‘ ( 1st ‘ 𝑡 ) ) “ ( ( 𝑗 + 1 ) ... 𝑁 ) ) × { 0 } ) = ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑗 + 1 ) ... 𝑁 ) ) × { 0 } ) ) |
| 146 |
143 145
|
uneq12d |
⊢ ( 𝑡 = 𝑇 → ( ( ( ( 2nd ‘ ( 1st ‘ 𝑡 ) ) “ ( 1 ... 𝑗 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑡 ) ) “ ( ( 𝑗 + 1 ) ... 𝑁 ) ) × { 0 } ) ) = ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑗 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑗 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) |
| 147 |
140 146
|
oveq12d |
⊢ ( 𝑡 = 𝑇 → ( ( 1st ‘ ( 1st ‘ 𝑡 ) ) ∘f + ( ( ( ( 2nd ‘ ( 1st ‘ 𝑡 ) ) “ ( 1 ... 𝑗 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑡 ) ) “ ( ( 𝑗 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) = ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ∘f + ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑗 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑗 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) ) |
| 148 |
139 147
|
csbeq12dv |
⊢ ( 𝑡 = 𝑇 → ⦋ if ( 𝑦 < ( 2nd ‘ 𝑡 ) , 𝑦 , ( 𝑦 + 1 ) ) / 𝑗 ⦌ ( ( 1st ‘ ( 1st ‘ 𝑡 ) ) ∘f + ( ( ( ( 2nd ‘ ( 1st ‘ 𝑡 ) ) “ ( 1 ... 𝑗 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑡 ) ) “ ( ( 𝑗 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) = ⦋ if ( 𝑦 < ( 2nd ‘ 𝑇 ) , 𝑦 , ( 𝑦 + 1 ) ) / 𝑗 ⦌ ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ∘f + ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑗 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑗 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) ) |
| 149 |
148
|
mpteq2dv |
⊢ ( 𝑡 = 𝑇 → ( 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ↦ ⦋ if ( 𝑦 < ( 2nd ‘ 𝑡 ) , 𝑦 , ( 𝑦 + 1 ) ) / 𝑗 ⦌ ( ( 1st ‘ ( 1st ‘ 𝑡 ) ) ∘f + ( ( ( ( 2nd ‘ ( 1st ‘ 𝑡 ) ) “ ( 1 ... 𝑗 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑡 ) ) “ ( ( 𝑗 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) ) = ( 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ↦ ⦋ if ( 𝑦 < ( 2nd ‘ 𝑇 ) , 𝑦 , ( 𝑦 + 1 ) ) / 𝑗 ⦌ ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ∘f + ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑗 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑗 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) ) ) |
| 150 |
149
|
eqeq2d |
⊢ ( 𝑡 = 𝑇 → ( 𝐹 = ( 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ↦ ⦋ if ( 𝑦 < ( 2nd ‘ 𝑡 ) , 𝑦 , ( 𝑦 + 1 ) ) / 𝑗 ⦌ ( ( 1st ‘ ( 1st ‘ 𝑡 ) ) ∘f + ( ( ( ( 2nd ‘ ( 1st ‘ 𝑡 ) ) “ ( 1 ... 𝑗 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑡 ) ) “ ( ( 𝑗 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) ) ↔ 𝐹 = ( 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ↦ ⦋ if ( 𝑦 < ( 2nd ‘ 𝑇 ) , 𝑦 , ( 𝑦 + 1 ) ) / 𝑗 ⦌ ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ∘f + ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑗 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑗 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) ) ) ) |
| 151 |
150 2
|
elrab2 |
⊢ ( 𝑇 ∈ 𝑆 ↔ ( 𝑇 ∈ ( ( ( ( 0 ..^ 𝐾 ) ↑m ( 1 ... 𝑁 ) ) × { 𝑓 ∣ 𝑓 : ( 1 ... 𝑁 ) –1-1-onto→ ( 1 ... 𝑁 ) } ) × ( 0 ... 𝑁 ) ) ∧ 𝐹 = ( 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ↦ ⦋ if ( 𝑦 < ( 2nd ‘ 𝑇 ) , 𝑦 , ( 𝑦 + 1 ) ) / 𝑗 ⦌ ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ∘f + ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑗 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑗 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) ) ) ) |
| 152 |
151
|
simprbi |
⊢ ( 𝑇 ∈ 𝑆 → 𝐹 = ( 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ↦ ⦋ if ( 𝑦 < ( 2nd ‘ 𝑇 ) , 𝑦 , ( 𝑦 + 1 ) ) / 𝑗 ⦌ ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ∘f + ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑗 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑗 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) ) ) |
| 153 |
4 152
|
syl |
⊢ ( 𝜑 → 𝐹 = ( 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ↦ ⦋ if ( 𝑦 < ( 2nd ‘ 𝑇 ) , 𝑦 , ( 𝑦 + 1 ) ) / 𝑗 ⦌ ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ∘f + ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑗 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑗 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) ) ) |
| 154 |
62
|
adantl |
⊢ ( ( 𝜑 ∧ 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ) → 𝑦 ∈ ℝ ) |
| 155 |
|
peano2zm |
⊢ ( 𝑁 ∈ ℤ → ( 𝑁 − 1 ) ∈ ℤ ) |
| 156 |
112 155
|
syl |
⊢ ( 𝜑 → ( 𝑁 − 1 ) ∈ ℤ ) |
| 157 |
156
|
zred |
⊢ ( 𝜑 → ( 𝑁 − 1 ) ∈ ℝ ) |
| 158 |
157
|
adantr |
⊢ ( ( 𝜑 ∧ 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ) → ( 𝑁 − 1 ) ∈ ℝ ) |
| 159 |
1
|
nnred |
⊢ ( 𝜑 → 𝑁 ∈ ℝ ) |
| 160 |
159
|
adantr |
⊢ ( ( 𝜑 ∧ 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ) → 𝑁 ∈ ℝ ) |
| 161 |
|
elfzle2 |
⊢ ( 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) → 𝑦 ≤ ( 𝑁 − 1 ) ) |
| 162 |
161
|
adantl |
⊢ ( ( 𝜑 ∧ 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ) → 𝑦 ≤ ( 𝑁 − 1 ) ) |
| 163 |
159
|
ltm1d |
⊢ ( 𝜑 → ( 𝑁 − 1 ) < 𝑁 ) |
| 164 |
163
|
adantr |
⊢ ( ( 𝜑 ∧ 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ) → ( 𝑁 − 1 ) < 𝑁 ) |
| 165 |
154 158 160 162 164
|
lelttrd |
⊢ ( ( 𝜑 ∧ 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ) → 𝑦 < 𝑁 ) |
| 166 |
6
|
adantr |
⊢ ( ( 𝜑 ∧ 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ) → ( 2nd ‘ 𝑇 ) = 𝑁 ) |
| 167 |
165 166
|
breqtrrd |
⊢ ( ( 𝜑 ∧ 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ) → 𝑦 < ( 2nd ‘ 𝑇 ) ) |
| 168 |
167
|
iftrued |
⊢ ( ( 𝜑 ∧ 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ) → if ( 𝑦 < ( 2nd ‘ 𝑇 ) , 𝑦 , ( 𝑦 + 1 ) ) = 𝑦 ) |
| 169 |
168
|
csbeq1d |
⊢ ( ( 𝜑 ∧ 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ) → ⦋ if ( 𝑦 < ( 2nd ‘ 𝑇 ) , 𝑦 , ( 𝑦 + 1 ) ) / 𝑗 ⦌ ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ∘f + ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑗 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑗 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) = ⦋ 𝑦 / 𝑗 ⦌ ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ∘f + ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑗 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑗 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) ) |
| 170 |
|
vex |
⊢ 𝑦 ∈ V |
| 171 |
|
oveq2 |
⊢ ( 𝑗 = 𝑦 → ( 1 ... 𝑗 ) = ( 1 ... 𝑦 ) ) |
| 172 |
171
|
imaeq2d |
⊢ ( 𝑗 = 𝑦 → ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑗 ) ) = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) ) |
| 173 |
172
|
xpeq1d |
⊢ ( 𝑗 = 𝑦 → ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑗 ) ) × { 1 } ) = ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) × { 1 } ) ) |
| 174 |
|
oveq1 |
⊢ ( 𝑗 = 𝑦 → ( 𝑗 + 1 ) = ( 𝑦 + 1 ) ) |
| 175 |
174
|
oveq1d |
⊢ ( 𝑗 = 𝑦 → ( ( 𝑗 + 1 ) ... 𝑁 ) = ( ( 𝑦 + 1 ) ... 𝑁 ) ) |
| 176 |
175
|
imaeq2d |
⊢ ( 𝑗 = 𝑦 → ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑗 + 1 ) ... 𝑁 ) ) = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) ) |
| 177 |
176
|
xpeq1d |
⊢ ( 𝑗 = 𝑦 → ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑗 + 1 ) ... 𝑁 ) ) × { 0 } ) = ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) × { 0 } ) ) |
| 178 |
173 177
|
uneq12d |
⊢ ( 𝑗 = 𝑦 → ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑗 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑗 + 1 ) ... 𝑁 ) ) × { 0 } ) ) = ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) |
| 179 |
178
|
oveq2d |
⊢ ( 𝑗 = 𝑦 → ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ∘f + ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑗 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑗 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) = ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ∘f + ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) ) |
| 180 |
170 179
|
csbie |
⊢ ⦋ 𝑦 / 𝑗 ⦌ ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ∘f + ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑗 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑗 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) = ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ∘f + ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) |
| 181 |
169 180
|
eqtrdi |
⊢ ( ( 𝜑 ∧ 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ) → ⦋ if ( 𝑦 < ( 2nd ‘ 𝑇 ) , 𝑦 , ( 𝑦 + 1 ) ) / 𝑗 ⦌ ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ∘f + ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑗 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑗 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) = ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ∘f + ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) ) |
| 182 |
181
|
mpteq2dva |
⊢ ( 𝜑 → ( 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ↦ ⦋ if ( 𝑦 < ( 2nd ‘ 𝑇 ) , 𝑦 , ( 𝑦 + 1 ) ) / 𝑗 ⦌ ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ∘f + ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑗 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑗 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) ) = ( 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ↦ ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ∘f + ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) ) ) |
| 183 |
153 182
|
eqtrd |
⊢ ( 𝜑 → 𝐹 = ( 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ↦ ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ∘f + ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) ) ) |
| 184 |
183
|
rneqd |
⊢ ( 𝜑 → ran 𝐹 = ran ( 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ↦ ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ∘f + ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) ) ) |
| 185 |
184
|
eleq2d |
⊢ ( 𝜑 → ( 𝑝 ∈ ran 𝐹 ↔ 𝑝 ∈ ran ( 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ↦ ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ∘f + ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) ) ) ) |
| 186 |
|
eqid |
⊢ ( 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ↦ ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ∘f + ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) ) = ( 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ↦ ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ∘f + ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) ) |
| 187 |
|
ovex |
⊢ ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ∘f + ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) ∈ V |
| 188 |
186 187
|
elrnmpti |
⊢ ( 𝑝 ∈ ran ( 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ↦ ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ∘f + ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) ) ↔ ∃ 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) 𝑝 = ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ∘f + ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) ) |
| 189 |
185 188
|
bitrdi |
⊢ ( 𝜑 → ( 𝑝 ∈ ran 𝐹 ↔ ∃ 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) 𝑝 = ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ∘f + ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) ) ) |
| 190 |
189
|
biimpa |
⊢ ( ( 𝜑 ∧ 𝑝 ∈ ran 𝐹 ) → ∃ 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) 𝑝 = ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ∘f + ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( 1 ... 𝑦 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) “ ( ( 𝑦 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) ) |
| 191 |
136 190
|
r19.29a |
⊢ ( ( 𝜑 ∧ 𝑝 ∈ ran 𝐹 ) → ( 𝑝 ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) = ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) ) |
| 192 |
191
|
neeq1d |
⊢ ( ( 𝜑 ∧ 𝑝 ∈ ran 𝐹 ) → ( ( 𝑝 ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) ≠ 0 ↔ ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) ≠ 0 ) ) |
| 193 |
192
|
biimpd |
⊢ ( ( 𝜑 ∧ 𝑝 ∈ ran 𝐹 ) → ( ( 𝑝 ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) ≠ 0 → ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) ≠ 0 ) ) |
| 194 |
193
|
rexlimdva |
⊢ ( 𝜑 → ( ∃ 𝑝 ∈ ran 𝐹 ( 𝑝 ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) ≠ 0 → ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) ≠ 0 ) ) |
| 195 |
45 194
|
mpd |
⊢ ( 𝜑 → ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) ≠ 0 ) |
| 196 |
|
elnnne0 |
⊢ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) ∈ ℕ ↔ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) ∈ ℕ0 ∧ ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) ≠ 0 ) ) |
| 197 |
36 195 196
|
sylanbrc |
⊢ ( 𝜑 → ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) ∈ ℕ ) |
| 198 |
|
nnm1nn0 |
⊢ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) ∈ ℕ → ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) − 1 ) ∈ ℕ0 ) |
| 199 |
197 198
|
syl |
⊢ ( 𝜑 → ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) − 1 ) ∈ ℕ0 ) |
| 200 |
|
elfzo0 |
⊢ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) ∈ ( 0 ..^ 𝐾 ) ↔ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) ∈ ℕ0 ∧ 𝐾 ∈ ℕ ∧ ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) < 𝐾 ) ) |
| 201 |
34 200
|
sylib |
⊢ ( 𝜑 → ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) ∈ ℕ0 ∧ 𝐾 ∈ ℕ ∧ ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) < 𝐾 ) ) |
| 202 |
201
|
simp2d |
⊢ ( 𝜑 → 𝐾 ∈ ℕ ) |
| 203 |
199
|
nn0red |
⊢ ( 𝜑 → ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) − 1 ) ∈ ℝ ) |
| 204 |
36
|
nn0red |
⊢ ( 𝜑 → ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) ∈ ℝ ) |
| 205 |
202
|
nnred |
⊢ ( 𝜑 → 𝐾 ∈ ℝ ) |
| 206 |
204
|
ltm1d |
⊢ ( 𝜑 → ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) − 1 ) < ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) ) |
| 207 |
|
elfzolt2 |
⊢ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) ∈ ( 0 ..^ 𝐾 ) → ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) < 𝐾 ) |
| 208 |
34 207
|
syl |
⊢ ( 𝜑 → ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) < 𝐾 ) |
| 209 |
203 204 205 206 208
|
lttrd |
⊢ ( 𝜑 → ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) − 1 ) < 𝐾 ) |
| 210 |
|
elfzo0 |
⊢ ( ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) − 1 ) ∈ ( 0 ..^ 𝐾 ) ↔ ( ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) − 1 ) ∈ ℕ0 ∧ 𝐾 ∈ ℕ ∧ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) − 1 ) < 𝐾 ) ) |
| 211 |
199 202 209 210
|
syl3anbrc |
⊢ ( 𝜑 → ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) − 1 ) ∈ ( 0 ..^ 𝐾 ) ) |
| 212 |
211
|
adantr |
⊢ ( ( 𝜑 ∧ 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) → ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) − 1 ) ∈ ( 0 ..^ 𝐾 ) ) |
| 213 |
13 212
|
eqeltrd |
⊢ ( ( 𝜑 ∧ 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) → ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − 1 ) ∈ ( 0 ..^ 𝐾 ) ) |
| 214 |
213
|
adantlr |
⊢ ( ( ( 𝜑 ∧ 𝑛 ∈ ( 1 ... 𝑁 ) ) ∧ 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) → ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − 1 ) ∈ ( 0 ..^ 𝐾 ) ) |
| 215 |
22
|
ffvelcdmda |
⊢ ( ( 𝜑 ∧ 𝑛 ∈ ( 1 ... 𝑁 ) ) → ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) ∈ ( 0 ..^ 𝐾 ) ) |
| 216 |
|
elfzonn0 |
⊢ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) ∈ ( 0 ..^ 𝐾 ) → ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) ∈ ℕ0 ) |
| 217 |
215 216
|
syl |
⊢ ( ( 𝜑 ∧ 𝑛 ∈ ( 1 ... 𝑁 ) ) → ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) ∈ ℕ0 ) |
| 218 |
217
|
nn0cnd |
⊢ ( ( 𝜑 ∧ 𝑛 ∈ ( 1 ... 𝑁 ) ) → ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) ∈ ℂ ) |
| 219 |
218
|
subid1d |
⊢ ( ( 𝜑 ∧ 𝑛 ∈ ( 1 ... 𝑁 ) ) → ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − 0 ) = ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) ) |
| 220 |
219 215
|
eqeltrd |
⊢ ( ( 𝜑 ∧ 𝑛 ∈ ( 1 ... 𝑁 ) ) → ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − 0 ) ∈ ( 0 ..^ 𝐾 ) ) |
| 221 |
220
|
adantr |
⊢ ( ( ( 𝜑 ∧ 𝑛 ∈ ( 1 ... 𝑁 ) ) ∧ ¬ 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) ) → ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − 0 ) ∈ ( 0 ..^ 𝐾 ) ) |
| 222 |
8 10 214 221
|
ifbothda |
⊢ ( ( 𝜑 ∧ 𝑛 ∈ ( 1 ... 𝑁 ) ) → ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ∈ ( 0 ..^ 𝐾 ) ) |
| 223 |
222
|
fmpttd |
⊢ ( 𝜑 → ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) : ( 1 ... 𝑁 ) ⟶ ( 0 ..^ 𝐾 ) ) |
| 224 |
|
ovex |
⊢ ( 0 ..^ 𝐾 ) ∈ V |
| 225 |
224 98
|
elmap |
⊢ ( ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) ∈ ( ( 0 ..^ 𝐾 ) ↑m ( 1 ... 𝑁 ) ) ↔ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) : ( 1 ... 𝑁 ) ⟶ ( 0 ..^ 𝐾 ) ) |
| 226 |
223 225
|
sylibr |
⊢ ( 𝜑 → ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) ∈ ( ( 0 ..^ 𝐾 ) ↑m ( 1 ... 𝑁 ) ) ) |
| 227 |
|
simpr |
⊢ ( ( 𝜑 ∧ 𝑛 ∈ ( ( 1 + 1 ) ... 𝑁 ) ) → 𝑛 ∈ ( ( 1 + 1 ) ... 𝑁 ) ) |
| 228 |
|
1z |
⊢ 1 ∈ ℤ |
| 229 |
|
peano2z |
⊢ ( 1 ∈ ℤ → ( 1 + 1 ) ∈ ℤ ) |
| 230 |
228 229
|
ax-mp |
⊢ ( 1 + 1 ) ∈ ℤ |
| 231 |
112 230
|
jctil |
⊢ ( 𝜑 → ( ( 1 + 1 ) ∈ ℤ ∧ 𝑁 ∈ ℤ ) ) |
| 232 |
|
elfzelz |
⊢ ( 𝑛 ∈ ( ( 1 + 1 ) ... 𝑁 ) → 𝑛 ∈ ℤ ) |
| 233 |
232 228
|
jctir |
⊢ ( 𝑛 ∈ ( ( 1 + 1 ) ... 𝑁 ) → ( 𝑛 ∈ ℤ ∧ 1 ∈ ℤ ) ) |
| 234 |
|
fzsubel |
⊢ ( ( ( ( 1 + 1 ) ∈ ℤ ∧ 𝑁 ∈ ℤ ) ∧ ( 𝑛 ∈ ℤ ∧ 1 ∈ ℤ ) ) → ( 𝑛 ∈ ( ( 1 + 1 ) ... 𝑁 ) ↔ ( 𝑛 − 1 ) ∈ ( ( ( 1 + 1 ) − 1 ) ... ( 𝑁 − 1 ) ) ) ) |
| 235 |
231 233 234
|
syl2an |
⊢ ( ( 𝜑 ∧ 𝑛 ∈ ( ( 1 + 1 ) ... 𝑁 ) ) → ( 𝑛 ∈ ( ( 1 + 1 ) ... 𝑁 ) ↔ ( 𝑛 − 1 ) ∈ ( ( ( 1 + 1 ) − 1 ) ... ( 𝑁 − 1 ) ) ) ) |
| 236 |
227 235
|
mpbid |
⊢ ( ( 𝜑 ∧ 𝑛 ∈ ( ( 1 + 1 ) ... 𝑁 ) ) → ( 𝑛 − 1 ) ∈ ( ( ( 1 + 1 ) − 1 ) ... ( 𝑁 − 1 ) ) ) |
| 237 |
|
ax-1cn |
⊢ 1 ∈ ℂ |
| 238 |
237 237
|
pncan3oi |
⊢ ( ( 1 + 1 ) − 1 ) = 1 |
| 239 |
238
|
oveq1i |
⊢ ( ( ( 1 + 1 ) − 1 ) ... ( 𝑁 − 1 ) ) = ( 1 ... ( 𝑁 − 1 ) ) |
| 240 |
236 239
|
eleqtrdi |
⊢ ( ( 𝜑 ∧ 𝑛 ∈ ( ( 1 + 1 ) ... 𝑁 ) ) → ( 𝑛 − 1 ) ∈ ( 1 ... ( 𝑁 − 1 ) ) ) |
| 241 |
240
|
ralrimiva |
⊢ ( 𝜑 → ∀ 𝑛 ∈ ( ( 1 + 1 ) ... 𝑁 ) ( 𝑛 − 1 ) ∈ ( 1 ... ( 𝑁 − 1 ) ) ) |
| 242 |
|
simpr |
⊢ ( ( 𝜑 ∧ 𝑦 ∈ ( 1 ... ( 𝑁 − 1 ) ) ) → 𝑦 ∈ ( 1 ... ( 𝑁 − 1 ) ) ) |
| 243 |
156 228
|
jctil |
⊢ ( 𝜑 → ( 1 ∈ ℤ ∧ ( 𝑁 − 1 ) ∈ ℤ ) ) |
| 244 |
|
elfzelz |
⊢ ( 𝑦 ∈ ( 1 ... ( 𝑁 − 1 ) ) → 𝑦 ∈ ℤ ) |
| 245 |
244 228
|
jctir |
⊢ ( 𝑦 ∈ ( 1 ... ( 𝑁 − 1 ) ) → ( 𝑦 ∈ ℤ ∧ 1 ∈ ℤ ) ) |
| 246 |
|
fzaddel |
⊢ ( ( ( 1 ∈ ℤ ∧ ( 𝑁 − 1 ) ∈ ℤ ) ∧ ( 𝑦 ∈ ℤ ∧ 1 ∈ ℤ ) ) → ( 𝑦 ∈ ( 1 ... ( 𝑁 − 1 ) ) ↔ ( 𝑦 + 1 ) ∈ ( ( 1 + 1 ) ... ( ( 𝑁 − 1 ) + 1 ) ) ) ) |
| 247 |
243 245 246
|
syl2an |
⊢ ( ( 𝜑 ∧ 𝑦 ∈ ( 1 ... ( 𝑁 − 1 ) ) ) → ( 𝑦 ∈ ( 1 ... ( 𝑁 − 1 ) ) ↔ ( 𝑦 + 1 ) ∈ ( ( 1 + 1 ) ... ( ( 𝑁 − 1 ) + 1 ) ) ) ) |
| 248 |
242 247
|
mpbid |
⊢ ( ( 𝜑 ∧ 𝑦 ∈ ( 1 ... ( 𝑁 − 1 ) ) ) → ( 𝑦 + 1 ) ∈ ( ( 1 + 1 ) ... ( ( 𝑁 − 1 ) + 1 ) ) ) |
| 249 |
80
|
oveq2d |
⊢ ( 𝜑 → ( ( 1 + 1 ) ... ( ( 𝑁 − 1 ) + 1 ) ) = ( ( 1 + 1 ) ... 𝑁 ) ) |
| 250 |
249
|
adantr |
⊢ ( ( 𝜑 ∧ 𝑦 ∈ ( 1 ... ( 𝑁 − 1 ) ) ) → ( ( 1 + 1 ) ... ( ( 𝑁 − 1 ) + 1 ) ) = ( ( 1 + 1 ) ... 𝑁 ) ) |
| 251 |
248 250
|
eleqtrd |
⊢ ( ( 𝜑 ∧ 𝑦 ∈ ( 1 ... ( 𝑁 − 1 ) ) ) → ( 𝑦 + 1 ) ∈ ( ( 1 + 1 ) ... 𝑁 ) ) |
| 252 |
232
|
zcnd |
⊢ ( 𝑛 ∈ ( ( 1 + 1 ) ... 𝑁 ) → 𝑛 ∈ ℂ ) |
| 253 |
244
|
zcnd |
⊢ ( 𝑦 ∈ ( 1 ... ( 𝑁 − 1 ) ) → 𝑦 ∈ ℂ ) |
| 254 |
|
subadd2 |
⊢ ( ( 𝑛 ∈ ℂ ∧ 1 ∈ ℂ ∧ 𝑦 ∈ ℂ ) → ( ( 𝑛 − 1 ) = 𝑦 ↔ ( 𝑦 + 1 ) = 𝑛 ) ) |
| 255 |
237 254
|
mp3an2 |
⊢ ( ( 𝑛 ∈ ℂ ∧ 𝑦 ∈ ℂ ) → ( ( 𝑛 − 1 ) = 𝑦 ↔ ( 𝑦 + 1 ) = 𝑛 ) ) |
| 256 |
|
eqcom |
⊢ ( 𝑦 = ( 𝑛 − 1 ) ↔ ( 𝑛 − 1 ) = 𝑦 ) |
| 257 |
|
eqcom |
⊢ ( 𝑛 = ( 𝑦 + 1 ) ↔ ( 𝑦 + 1 ) = 𝑛 ) |
| 258 |
255 256 257
|
3bitr4g |
⊢ ( ( 𝑛 ∈ ℂ ∧ 𝑦 ∈ ℂ ) → ( 𝑦 = ( 𝑛 − 1 ) ↔ 𝑛 = ( 𝑦 + 1 ) ) ) |
| 259 |
252 253 258
|
syl2anr |
⊢ ( ( 𝑦 ∈ ( 1 ... ( 𝑁 − 1 ) ) ∧ 𝑛 ∈ ( ( 1 + 1 ) ... 𝑁 ) ) → ( 𝑦 = ( 𝑛 − 1 ) ↔ 𝑛 = ( 𝑦 + 1 ) ) ) |
| 260 |
259
|
ralrimiva |
⊢ ( 𝑦 ∈ ( 1 ... ( 𝑁 − 1 ) ) → ∀ 𝑛 ∈ ( ( 1 + 1 ) ... 𝑁 ) ( 𝑦 = ( 𝑛 − 1 ) ↔ 𝑛 = ( 𝑦 + 1 ) ) ) |
| 261 |
260
|
adantl |
⊢ ( ( 𝜑 ∧ 𝑦 ∈ ( 1 ... ( 𝑁 − 1 ) ) ) → ∀ 𝑛 ∈ ( ( 1 + 1 ) ... 𝑁 ) ( 𝑦 = ( 𝑛 − 1 ) ↔ 𝑛 = ( 𝑦 + 1 ) ) ) |
| 262 |
|
reu6i |
⊢ ( ( ( 𝑦 + 1 ) ∈ ( ( 1 + 1 ) ... 𝑁 ) ∧ ∀ 𝑛 ∈ ( ( 1 + 1 ) ... 𝑁 ) ( 𝑦 = ( 𝑛 − 1 ) ↔ 𝑛 = ( 𝑦 + 1 ) ) ) → ∃! 𝑛 ∈ ( ( 1 + 1 ) ... 𝑁 ) 𝑦 = ( 𝑛 − 1 ) ) |
| 263 |
251 261 262
|
syl2anc |
⊢ ( ( 𝜑 ∧ 𝑦 ∈ ( 1 ... ( 𝑁 − 1 ) ) ) → ∃! 𝑛 ∈ ( ( 1 + 1 ) ... 𝑁 ) 𝑦 = ( 𝑛 − 1 ) ) |
| 264 |
263
|
ralrimiva |
⊢ ( 𝜑 → ∀ 𝑦 ∈ ( 1 ... ( 𝑁 − 1 ) ) ∃! 𝑛 ∈ ( ( 1 + 1 ) ... 𝑁 ) 𝑦 = ( 𝑛 − 1 ) ) |
| 265 |
|
eqid |
⊢ ( 𝑛 ∈ ( ( 1 + 1 ) ... 𝑁 ) ↦ ( 𝑛 − 1 ) ) = ( 𝑛 ∈ ( ( 1 + 1 ) ... 𝑁 ) ↦ ( 𝑛 − 1 ) ) |
| 266 |
265
|
f1ompt |
⊢ ( ( 𝑛 ∈ ( ( 1 + 1 ) ... 𝑁 ) ↦ ( 𝑛 − 1 ) ) : ( ( 1 + 1 ) ... 𝑁 ) –1-1-onto→ ( 1 ... ( 𝑁 − 1 ) ) ↔ ( ∀ 𝑛 ∈ ( ( 1 + 1 ) ... 𝑁 ) ( 𝑛 − 1 ) ∈ ( 1 ... ( 𝑁 − 1 ) ) ∧ ∀ 𝑦 ∈ ( 1 ... ( 𝑁 − 1 ) ) ∃! 𝑛 ∈ ( ( 1 + 1 ) ... 𝑁 ) 𝑦 = ( 𝑛 − 1 ) ) ) |
| 267 |
241 264 266
|
sylanbrc |
⊢ ( 𝜑 → ( 𝑛 ∈ ( ( 1 + 1 ) ... 𝑁 ) ↦ ( 𝑛 − 1 ) ) : ( ( 1 + 1 ) ... 𝑁 ) –1-1-onto→ ( 1 ... ( 𝑁 − 1 ) ) ) |
| 268 |
|
f1osng |
⊢ ( ( 1 ∈ V ∧ 𝑁 ∈ ℕ ) → { 〈 1 , 𝑁 〉 } : { 1 } –1-1-onto→ { 𝑁 } ) |
| 269 |
49 1 268
|
sylancr |
⊢ ( 𝜑 → { 〈 1 , 𝑁 〉 } : { 1 } –1-1-onto→ { 𝑁 } ) |
| 270 |
157 159
|
ltnled |
⊢ ( 𝜑 → ( ( 𝑁 − 1 ) < 𝑁 ↔ ¬ 𝑁 ≤ ( 𝑁 − 1 ) ) ) |
| 271 |
163 270
|
mpbid |
⊢ ( 𝜑 → ¬ 𝑁 ≤ ( 𝑁 − 1 ) ) |
| 272 |
|
elfzle2 |
⊢ ( 𝑁 ∈ ( 1 ... ( 𝑁 − 1 ) ) → 𝑁 ≤ ( 𝑁 − 1 ) ) |
| 273 |
271 272
|
nsyl |
⊢ ( 𝜑 → ¬ 𝑁 ∈ ( 1 ... ( 𝑁 − 1 ) ) ) |
| 274 |
|
disjsn |
⊢ ( ( ( 1 ... ( 𝑁 − 1 ) ) ∩ { 𝑁 } ) = ∅ ↔ ¬ 𝑁 ∈ ( 1 ... ( 𝑁 − 1 ) ) ) |
| 275 |
273 274
|
sylibr |
⊢ ( 𝜑 → ( ( 1 ... ( 𝑁 − 1 ) ) ∩ { 𝑁 } ) = ∅ ) |
| 276 |
|
1re |
⊢ 1 ∈ ℝ |
| 277 |
276
|
ltp1i |
⊢ 1 < ( 1 + 1 ) |
| 278 |
230
|
zrei |
⊢ ( 1 + 1 ) ∈ ℝ |
| 279 |
276 278
|
ltnlei |
⊢ ( 1 < ( 1 + 1 ) ↔ ¬ ( 1 + 1 ) ≤ 1 ) |
| 280 |
277 279
|
mpbi |
⊢ ¬ ( 1 + 1 ) ≤ 1 |
| 281 |
|
elfzle1 |
⊢ ( 1 ∈ ( ( 1 + 1 ) ... 𝑁 ) → ( 1 + 1 ) ≤ 1 ) |
| 282 |
280 281
|
mto |
⊢ ¬ 1 ∈ ( ( 1 + 1 ) ... 𝑁 ) |
| 283 |
|
disjsn |
⊢ ( ( ( ( 1 + 1 ) ... 𝑁 ) ∩ { 1 } ) = ∅ ↔ ¬ 1 ∈ ( ( 1 + 1 ) ... 𝑁 ) ) |
| 284 |
282 283
|
mpbir |
⊢ ( ( ( 1 + 1 ) ... 𝑁 ) ∩ { 1 } ) = ∅ |
| 285 |
|
f1oun |
⊢ ( ( ( ( 𝑛 ∈ ( ( 1 + 1 ) ... 𝑁 ) ↦ ( 𝑛 − 1 ) ) : ( ( 1 + 1 ) ... 𝑁 ) –1-1-onto→ ( 1 ... ( 𝑁 − 1 ) ) ∧ { 〈 1 , 𝑁 〉 } : { 1 } –1-1-onto→ { 𝑁 } ) ∧ ( ( ( ( 1 + 1 ) ... 𝑁 ) ∩ { 1 } ) = ∅ ∧ ( ( 1 ... ( 𝑁 − 1 ) ) ∩ { 𝑁 } ) = ∅ ) ) → ( ( 𝑛 ∈ ( ( 1 + 1 ) ... 𝑁 ) ↦ ( 𝑛 − 1 ) ) ∪ { 〈 1 , 𝑁 〉 } ) : ( ( ( 1 + 1 ) ... 𝑁 ) ∪ { 1 } ) –1-1-onto→ ( ( 1 ... ( 𝑁 − 1 ) ) ∪ { 𝑁 } ) ) |
| 286 |
284 285
|
mpanr1 |
⊢ ( ( ( ( 𝑛 ∈ ( ( 1 + 1 ) ... 𝑁 ) ↦ ( 𝑛 − 1 ) ) : ( ( 1 + 1 ) ... 𝑁 ) –1-1-onto→ ( 1 ... ( 𝑁 − 1 ) ) ∧ { 〈 1 , 𝑁 〉 } : { 1 } –1-1-onto→ { 𝑁 } ) ∧ ( ( 1 ... ( 𝑁 − 1 ) ) ∩ { 𝑁 } ) = ∅ ) → ( ( 𝑛 ∈ ( ( 1 + 1 ) ... 𝑁 ) ↦ ( 𝑛 − 1 ) ) ∪ { 〈 1 , 𝑁 〉 } ) : ( ( ( 1 + 1 ) ... 𝑁 ) ∪ { 1 } ) –1-1-onto→ ( ( 1 ... ( 𝑁 − 1 ) ) ∪ { 𝑁 } ) ) |
| 287 |
267 269 275 286
|
syl21anc |
⊢ ( 𝜑 → ( ( 𝑛 ∈ ( ( 1 + 1 ) ... 𝑁 ) ↦ ( 𝑛 − 1 ) ) ∪ { 〈 1 , 𝑁 〉 } ) : ( ( ( 1 + 1 ) ... 𝑁 ) ∪ { 1 } ) –1-1-onto→ ( ( 1 ... ( 𝑁 − 1 ) ) ∪ { 𝑁 } ) ) |
| 288 |
|
eleq1 |
⊢ ( 𝑛 = 1 → ( 𝑛 ∈ ( ( 1 + 1 ) ... 𝑁 ) ↔ 1 ∈ ( ( 1 + 1 ) ... 𝑁 ) ) ) |
| 289 |
282 288
|
mtbiri |
⊢ ( 𝑛 = 1 → ¬ 𝑛 ∈ ( ( 1 + 1 ) ... 𝑁 ) ) |
| 290 |
289
|
necon2ai |
⊢ ( 𝑛 ∈ ( ( 1 + 1 ) ... 𝑁 ) → 𝑛 ≠ 1 ) |
| 291 |
|
ifnefalse |
⊢ ( 𝑛 ≠ 1 → if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) = ( 𝑛 − 1 ) ) |
| 292 |
290 291
|
syl |
⊢ ( 𝑛 ∈ ( ( 1 + 1 ) ... 𝑁 ) → if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) = ( 𝑛 − 1 ) ) |
| 293 |
292
|
mpteq2ia |
⊢ ( 𝑛 ∈ ( ( 1 + 1 ) ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) = ( 𝑛 ∈ ( ( 1 + 1 ) ... 𝑁 ) ↦ ( 𝑛 − 1 ) ) |
| 294 |
293
|
uneq1i |
⊢ ( ( 𝑛 ∈ ( ( 1 + 1 ) ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ∪ { 〈 1 , 𝑁 〉 } ) = ( ( 𝑛 ∈ ( ( 1 + 1 ) ... 𝑁 ) ↦ ( 𝑛 − 1 ) ) ∪ { 〈 1 , 𝑁 〉 } ) |
| 295 |
49
|
a1i |
⊢ ( 𝜑 → 1 ∈ V ) |
| 296 |
1 74
|
eleqtrdi |
⊢ ( 𝜑 → 𝑁 ∈ ( ℤ≥ ‘ 1 ) ) |
| 297 |
|
fzpred |
⊢ ( 𝑁 ∈ ( ℤ≥ ‘ 1 ) → ( 1 ... 𝑁 ) = ( { 1 } ∪ ( ( 1 + 1 ) ... 𝑁 ) ) ) |
| 298 |
296 297
|
syl |
⊢ ( 𝜑 → ( 1 ... 𝑁 ) = ( { 1 } ∪ ( ( 1 + 1 ) ... 𝑁 ) ) ) |
| 299 |
|
uncom |
⊢ ( { 1 } ∪ ( ( 1 + 1 ) ... 𝑁 ) ) = ( ( ( 1 + 1 ) ... 𝑁 ) ∪ { 1 } ) |
| 300 |
298 299
|
eqtr2di |
⊢ ( 𝜑 → ( ( ( 1 + 1 ) ... 𝑁 ) ∪ { 1 } ) = ( 1 ... 𝑁 ) ) |
| 301 |
|
iftrue |
⊢ ( 𝑛 = 1 → if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) = 𝑁 ) |
| 302 |
301
|
adantl |
⊢ ( ( 𝜑 ∧ 𝑛 = 1 ) → if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) = 𝑁 ) |
| 303 |
295 1 300 302
|
fmptapd |
⊢ ( 𝜑 → ( ( 𝑛 ∈ ( ( 1 + 1 ) ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ∪ { 〈 1 , 𝑁 〉 } ) = ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) |
| 304 |
294 303
|
eqtr3id |
⊢ ( 𝜑 → ( ( 𝑛 ∈ ( ( 1 + 1 ) ... 𝑁 ) ↦ ( 𝑛 − 1 ) ) ∪ { 〈 1 , 𝑁 〉 } ) = ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) |
| 305 |
80 296
|
eqeltrd |
⊢ ( 𝜑 → ( ( 𝑁 − 1 ) + 1 ) ∈ ( ℤ≥ ‘ 1 ) ) |
| 306 |
|
uzid |
⊢ ( ( 𝑁 − 1 ) ∈ ℤ → ( 𝑁 − 1 ) ∈ ( ℤ≥ ‘ ( 𝑁 − 1 ) ) ) |
| 307 |
|
peano2uz |
⊢ ( ( 𝑁 − 1 ) ∈ ( ℤ≥ ‘ ( 𝑁 − 1 ) ) → ( ( 𝑁 − 1 ) + 1 ) ∈ ( ℤ≥ ‘ ( 𝑁 − 1 ) ) ) |
| 308 |
156 306 307
|
3syl |
⊢ ( 𝜑 → ( ( 𝑁 − 1 ) + 1 ) ∈ ( ℤ≥ ‘ ( 𝑁 − 1 ) ) ) |
| 309 |
80 308
|
eqeltrrd |
⊢ ( 𝜑 → 𝑁 ∈ ( ℤ≥ ‘ ( 𝑁 − 1 ) ) ) |
| 310 |
|
fzsplit2 |
⊢ ( ( ( ( 𝑁 − 1 ) + 1 ) ∈ ( ℤ≥ ‘ 1 ) ∧ 𝑁 ∈ ( ℤ≥ ‘ ( 𝑁 − 1 ) ) ) → ( 1 ... 𝑁 ) = ( ( 1 ... ( 𝑁 − 1 ) ) ∪ ( ( ( 𝑁 − 1 ) + 1 ) ... 𝑁 ) ) ) |
| 311 |
305 309 310
|
syl2anc |
⊢ ( 𝜑 → ( 1 ... 𝑁 ) = ( ( 1 ... ( 𝑁 − 1 ) ) ∪ ( ( ( 𝑁 − 1 ) + 1 ) ... 𝑁 ) ) ) |
| 312 |
80
|
oveq1d |
⊢ ( 𝜑 → ( ( ( 𝑁 − 1 ) + 1 ) ... 𝑁 ) = ( 𝑁 ... 𝑁 ) ) |
| 313 |
|
fzsn |
⊢ ( 𝑁 ∈ ℤ → ( 𝑁 ... 𝑁 ) = { 𝑁 } ) |
| 314 |
112 313
|
syl |
⊢ ( 𝜑 → ( 𝑁 ... 𝑁 ) = { 𝑁 } ) |
| 315 |
312 314
|
eqtrd |
⊢ ( 𝜑 → ( ( ( 𝑁 − 1 ) + 1 ) ... 𝑁 ) = { 𝑁 } ) |
| 316 |
315
|
uneq2d |
⊢ ( 𝜑 → ( ( 1 ... ( 𝑁 − 1 ) ) ∪ ( ( ( 𝑁 − 1 ) + 1 ) ... 𝑁 ) ) = ( ( 1 ... ( 𝑁 − 1 ) ) ∪ { 𝑁 } ) ) |
| 317 |
311 316
|
eqtr2d |
⊢ ( 𝜑 → ( ( 1 ... ( 𝑁 − 1 ) ) ∪ { 𝑁 } ) = ( 1 ... 𝑁 ) ) |
| 318 |
304 300 317
|
f1oeq123d |
⊢ ( 𝜑 → ( ( ( 𝑛 ∈ ( ( 1 + 1 ) ... 𝑁 ) ↦ ( 𝑛 − 1 ) ) ∪ { 〈 1 , 𝑁 〉 } ) : ( ( ( 1 + 1 ) ... 𝑁 ) ∪ { 1 } ) –1-1-onto→ ( ( 1 ... ( 𝑁 − 1 ) ) ∪ { 𝑁 } ) ↔ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) : ( 1 ... 𝑁 ) –1-1-onto→ ( 1 ... 𝑁 ) ) ) |
| 319 |
287 318
|
mpbid |
⊢ ( 𝜑 → ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) : ( 1 ... 𝑁 ) –1-1-onto→ ( 1 ... 𝑁 ) ) |
| 320 |
|
f1oco |
⊢ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) : ( 1 ... 𝑁 ) –1-1-onto→ ( 1 ... 𝑁 ) ∧ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) : ( 1 ... 𝑁 ) –1-1-onto→ ( 1 ... 𝑁 ) ) → ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) : ( 1 ... 𝑁 ) –1-1-onto→ ( 1 ... 𝑁 ) ) |
| 321 |
28 319 320
|
syl2anc |
⊢ ( 𝜑 → ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) : ( 1 ... 𝑁 ) –1-1-onto→ ( 1 ... 𝑁 ) ) |
| 322 |
98
|
mptex |
⊢ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ∈ V |
| 323 |
25 322
|
coex |
⊢ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) ∈ V |
| 324 |
|
f1oeq1 |
⊢ ( 𝑓 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) → ( 𝑓 : ( 1 ... 𝑁 ) –1-1-onto→ ( 1 ... 𝑁 ) ↔ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) : ( 1 ... 𝑁 ) –1-1-onto→ ( 1 ... 𝑁 ) ) ) |
| 325 |
323 324
|
elab |
⊢ ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) ∈ { 𝑓 ∣ 𝑓 : ( 1 ... 𝑁 ) –1-1-onto→ ( 1 ... 𝑁 ) } ↔ ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) : ( 1 ... 𝑁 ) –1-1-onto→ ( 1 ... 𝑁 ) ) |
| 326 |
321 325
|
sylibr |
⊢ ( 𝜑 → ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) ∈ { 𝑓 ∣ 𝑓 : ( 1 ... 𝑁 ) –1-1-onto→ ( 1 ... 𝑁 ) } ) |
| 327 |
226 326
|
opelxpd |
⊢ ( 𝜑 → 〈 ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) , ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) 〉 ∈ ( ( ( 0 ..^ 𝐾 ) ↑m ( 1 ... 𝑁 ) ) × { 𝑓 ∣ 𝑓 : ( 1 ... 𝑁 ) –1-1-onto→ ( 1 ... 𝑁 ) } ) ) |
| 328 |
1
|
nnnn0d |
⊢ ( 𝜑 → 𝑁 ∈ ℕ0 ) |
| 329 |
|
0elfz |
⊢ ( 𝑁 ∈ ℕ0 → 0 ∈ ( 0 ... 𝑁 ) ) |
| 330 |
328 329
|
syl |
⊢ ( 𝜑 → 0 ∈ ( 0 ... 𝑁 ) ) |
| 331 |
327 330
|
opelxpd |
⊢ ( 𝜑 → 〈 〈 ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) , ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) 〉 , 0 〉 ∈ ( ( ( ( 0 ..^ 𝐾 ) ↑m ( 1 ... 𝑁 ) ) × { 𝑓 ∣ 𝑓 : ( 1 ... 𝑁 ) –1-1-onto→ ( 1 ... 𝑁 ) } ) × ( 0 ... 𝑁 ) ) ) |
| 332 |
1 2 3 4 5 6
|
poimirlem19 |
⊢ ( 𝜑 → 𝐹 = ( 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ↦ ( ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) ∘f + ( ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) “ ( 1 ... ( 𝑦 + 1 ) ) ) × { 1 } ) ∪ ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) “ ( ( ( 𝑦 + 1 ) + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) ) ) |
| 333 |
|
elfzle1 |
⊢ ( 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) → 0 ≤ 𝑦 ) |
| 334 |
|
0re |
⊢ 0 ∈ ℝ |
| 335 |
|
lenlt |
⊢ ( ( 0 ∈ ℝ ∧ 𝑦 ∈ ℝ ) → ( 0 ≤ 𝑦 ↔ ¬ 𝑦 < 0 ) ) |
| 336 |
334 62 335
|
sylancr |
⊢ ( 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) → ( 0 ≤ 𝑦 ↔ ¬ 𝑦 < 0 ) ) |
| 337 |
333 336
|
mpbid |
⊢ ( 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) → ¬ 𝑦 < 0 ) |
| 338 |
337
|
iffalsed |
⊢ ( 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) → if ( 𝑦 < 0 , 𝑦 , ( 𝑦 + 1 ) ) = ( 𝑦 + 1 ) ) |
| 339 |
338
|
csbeq1d |
⊢ ( 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) → ⦋ if ( 𝑦 < 0 , 𝑦 , ( 𝑦 + 1 ) ) / 𝑗 ⦌ ( ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) ∘f + ( ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) “ ( 1 ... 𝑗 ) ) × { 1 } ) ∪ ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) “ ( ( 𝑗 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) = ⦋ ( 𝑦 + 1 ) / 𝑗 ⦌ ( ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) ∘f + ( ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) “ ( 1 ... 𝑗 ) ) × { 1 } ) ∪ ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) “ ( ( 𝑗 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) ) |
| 340 |
|
ovex |
⊢ ( 𝑦 + 1 ) ∈ V |
| 341 |
|
oveq2 |
⊢ ( 𝑗 = ( 𝑦 + 1 ) → ( 1 ... 𝑗 ) = ( 1 ... ( 𝑦 + 1 ) ) ) |
| 342 |
341
|
imaeq2d |
⊢ ( 𝑗 = ( 𝑦 + 1 ) → ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) “ ( 1 ... 𝑗 ) ) = ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) “ ( 1 ... ( 𝑦 + 1 ) ) ) ) |
| 343 |
342
|
xpeq1d |
⊢ ( 𝑗 = ( 𝑦 + 1 ) → ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) “ ( 1 ... 𝑗 ) ) × { 1 } ) = ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) “ ( 1 ... ( 𝑦 + 1 ) ) ) × { 1 } ) ) |
| 344 |
|
oveq1 |
⊢ ( 𝑗 = ( 𝑦 + 1 ) → ( 𝑗 + 1 ) = ( ( 𝑦 + 1 ) + 1 ) ) |
| 345 |
344
|
oveq1d |
⊢ ( 𝑗 = ( 𝑦 + 1 ) → ( ( 𝑗 + 1 ) ... 𝑁 ) = ( ( ( 𝑦 + 1 ) + 1 ) ... 𝑁 ) ) |
| 346 |
345
|
imaeq2d |
⊢ ( 𝑗 = ( 𝑦 + 1 ) → ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) “ ( ( 𝑗 + 1 ) ... 𝑁 ) ) = ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) “ ( ( ( 𝑦 + 1 ) + 1 ) ... 𝑁 ) ) ) |
| 347 |
346
|
xpeq1d |
⊢ ( 𝑗 = ( 𝑦 + 1 ) → ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) “ ( ( 𝑗 + 1 ) ... 𝑁 ) ) × { 0 } ) = ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) “ ( ( ( 𝑦 + 1 ) + 1 ) ... 𝑁 ) ) × { 0 } ) ) |
| 348 |
343 347
|
uneq12d |
⊢ ( 𝑗 = ( 𝑦 + 1 ) → ( ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) “ ( 1 ... 𝑗 ) ) × { 1 } ) ∪ ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) “ ( ( 𝑗 + 1 ) ... 𝑁 ) ) × { 0 } ) ) = ( ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) “ ( 1 ... ( 𝑦 + 1 ) ) ) × { 1 } ) ∪ ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) “ ( ( ( 𝑦 + 1 ) + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) |
| 349 |
348
|
oveq2d |
⊢ ( 𝑗 = ( 𝑦 + 1 ) → ( ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) ∘f + ( ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) “ ( 1 ... 𝑗 ) ) × { 1 } ) ∪ ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) “ ( ( 𝑗 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) = ( ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) ∘f + ( ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) “ ( 1 ... ( 𝑦 + 1 ) ) ) × { 1 } ) ∪ ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) “ ( ( ( 𝑦 + 1 ) + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) ) |
| 350 |
340 349
|
csbie |
⊢ ⦋ ( 𝑦 + 1 ) / 𝑗 ⦌ ( ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) ∘f + ( ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) “ ( 1 ... 𝑗 ) ) × { 1 } ) ∪ ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) “ ( ( 𝑗 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) = ( ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) ∘f + ( ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) “ ( 1 ... ( 𝑦 + 1 ) ) ) × { 1 } ) ∪ ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) “ ( ( ( 𝑦 + 1 ) + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) |
| 351 |
339 350
|
eqtrdi |
⊢ ( 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) → ⦋ if ( 𝑦 < 0 , 𝑦 , ( 𝑦 + 1 ) ) / 𝑗 ⦌ ( ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) ∘f + ( ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) “ ( 1 ... 𝑗 ) ) × { 1 } ) ∪ ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) “ ( ( 𝑗 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) = ( ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) ∘f + ( ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) “ ( 1 ... ( 𝑦 + 1 ) ) ) × { 1 } ) ∪ ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) “ ( ( ( 𝑦 + 1 ) + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) ) |
| 352 |
351
|
mpteq2ia |
⊢ ( 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ↦ ⦋ if ( 𝑦 < 0 , 𝑦 , ( 𝑦 + 1 ) ) / 𝑗 ⦌ ( ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) ∘f + ( ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) “ ( 1 ... 𝑗 ) ) × { 1 } ) ∪ ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) “ ( ( 𝑗 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) ) = ( 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ↦ ( ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) ∘f + ( ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) “ ( 1 ... ( 𝑦 + 1 ) ) ) × { 1 } ) ∪ ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) “ ( ( ( 𝑦 + 1 ) + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) ) |
| 353 |
332 352
|
eqtr4di |
⊢ ( 𝜑 → 𝐹 = ( 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ↦ ⦋ if ( 𝑦 < 0 , 𝑦 , ( 𝑦 + 1 ) ) / 𝑗 ⦌ ( ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) ∘f + ( ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) “ ( 1 ... 𝑗 ) ) × { 1 } ) ∪ ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) “ ( ( 𝑗 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) ) ) |
| 354 |
|
opex |
⊢ 〈 ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) , ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) 〉 ∈ V |
| 355 |
354 52
|
op2ndd |
⊢ ( 𝑡 = 〈 〈 ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) , ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) 〉 , 0 〉 → ( 2nd ‘ 𝑡 ) = 0 ) |
| 356 |
355
|
breq2d |
⊢ ( 𝑡 = 〈 〈 ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) , ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) 〉 , 0 〉 → ( 𝑦 < ( 2nd ‘ 𝑡 ) ↔ 𝑦 < 0 ) ) |
| 357 |
356
|
ifbid |
⊢ ( 𝑡 = 〈 〈 ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) , ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) 〉 , 0 〉 → if ( 𝑦 < ( 2nd ‘ 𝑡 ) , 𝑦 , ( 𝑦 + 1 ) ) = if ( 𝑦 < 0 , 𝑦 , ( 𝑦 + 1 ) ) ) |
| 358 |
354 52
|
op1std |
⊢ ( 𝑡 = 〈 〈 ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) , ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) 〉 , 0 〉 → ( 1st ‘ 𝑡 ) = 〈 ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) , ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) 〉 ) |
| 359 |
98
|
mptex |
⊢ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) ∈ V |
| 360 |
359 323
|
op1std |
⊢ ( ( 1st ‘ 𝑡 ) = 〈 ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) , ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) 〉 → ( 1st ‘ ( 1st ‘ 𝑡 ) ) = ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) ) |
| 361 |
358 360
|
syl |
⊢ ( 𝑡 = 〈 〈 ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) , ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) 〉 , 0 〉 → ( 1st ‘ ( 1st ‘ 𝑡 ) ) = ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) ) |
| 362 |
359 323
|
op2ndd |
⊢ ( ( 1st ‘ 𝑡 ) = 〈 ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) , ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) 〉 → ( 2nd ‘ ( 1st ‘ 𝑡 ) ) = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) ) |
| 363 |
358 362
|
syl |
⊢ ( 𝑡 = 〈 〈 ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) , ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) 〉 , 0 〉 → ( 2nd ‘ ( 1st ‘ 𝑡 ) ) = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) ) |
| 364 |
363
|
imaeq1d |
⊢ ( 𝑡 = 〈 〈 ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) , ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) 〉 , 0 〉 → ( ( 2nd ‘ ( 1st ‘ 𝑡 ) ) “ ( 1 ... 𝑗 ) ) = ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) “ ( 1 ... 𝑗 ) ) ) |
| 365 |
364
|
xpeq1d |
⊢ ( 𝑡 = 〈 〈 ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) , ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) 〉 , 0 〉 → ( ( ( 2nd ‘ ( 1st ‘ 𝑡 ) ) “ ( 1 ... 𝑗 ) ) × { 1 } ) = ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) “ ( 1 ... 𝑗 ) ) × { 1 } ) ) |
| 366 |
363
|
imaeq1d |
⊢ ( 𝑡 = 〈 〈 ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) , ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) 〉 , 0 〉 → ( ( 2nd ‘ ( 1st ‘ 𝑡 ) ) “ ( ( 𝑗 + 1 ) ... 𝑁 ) ) = ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) “ ( ( 𝑗 + 1 ) ... 𝑁 ) ) ) |
| 367 |
366
|
xpeq1d |
⊢ ( 𝑡 = 〈 〈 ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) , ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) 〉 , 0 〉 → ( ( ( 2nd ‘ ( 1st ‘ 𝑡 ) ) “ ( ( 𝑗 + 1 ) ... 𝑁 ) ) × { 0 } ) = ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) “ ( ( 𝑗 + 1 ) ... 𝑁 ) ) × { 0 } ) ) |
| 368 |
365 367
|
uneq12d |
⊢ ( 𝑡 = 〈 〈 ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) , ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) 〉 , 0 〉 → ( ( ( ( 2nd ‘ ( 1st ‘ 𝑡 ) ) “ ( 1 ... 𝑗 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑡 ) ) “ ( ( 𝑗 + 1 ) ... 𝑁 ) ) × { 0 } ) ) = ( ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) “ ( 1 ... 𝑗 ) ) × { 1 } ) ∪ ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) “ ( ( 𝑗 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) |
| 369 |
361 368
|
oveq12d |
⊢ ( 𝑡 = 〈 〈 ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) , ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) 〉 , 0 〉 → ( ( 1st ‘ ( 1st ‘ 𝑡 ) ) ∘f + ( ( ( ( 2nd ‘ ( 1st ‘ 𝑡 ) ) “ ( 1 ... 𝑗 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑡 ) ) “ ( ( 𝑗 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) = ( ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) ∘f + ( ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) “ ( 1 ... 𝑗 ) ) × { 1 } ) ∪ ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) “ ( ( 𝑗 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) ) |
| 370 |
357 369
|
csbeq12dv |
⊢ ( 𝑡 = 〈 〈 ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) , ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) 〉 , 0 〉 → ⦋ if ( 𝑦 < ( 2nd ‘ 𝑡 ) , 𝑦 , ( 𝑦 + 1 ) ) / 𝑗 ⦌ ( ( 1st ‘ ( 1st ‘ 𝑡 ) ) ∘f + ( ( ( ( 2nd ‘ ( 1st ‘ 𝑡 ) ) “ ( 1 ... 𝑗 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑡 ) ) “ ( ( 𝑗 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) = ⦋ if ( 𝑦 < 0 , 𝑦 , ( 𝑦 + 1 ) ) / 𝑗 ⦌ ( ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) ∘f + ( ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) “ ( 1 ... 𝑗 ) ) × { 1 } ) ∪ ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) “ ( ( 𝑗 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) ) |
| 371 |
370
|
mpteq2dv |
⊢ ( 𝑡 = 〈 〈 ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) , ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) 〉 , 0 〉 → ( 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ↦ ⦋ if ( 𝑦 < ( 2nd ‘ 𝑡 ) , 𝑦 , ( 𝑦 + 1 ) ) / 𝑗 ⦌ ( ( 1st ‘ ( 1st ‘ 𝑡 ) ) ∘f + ( ( ( ( 2nd ‘ ( 1st ‘ 𝑡 ) ) “ ( 1 ... 𝑗 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑡 ) ) “ ( ( 𝑗 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) ) = ( 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ↦ ⦋ if ( 𝑦 < 0 , 𝑦 , ( 𝑦 + 1 ) ) / 𝑗 ⦌ ( ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) ∘f + ( ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) “ ( 1 ... 𝑗 ) ) × { 1 } ) ∪ ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) “ ( ( 𝑗 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) ) ) |
| 372 |
371
|
eqeq2d |
⊢ ( 𝑡 = 〈 〈 ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) , ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) 〉 , 0 〉 → ( 𝐹 = ( 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ↦ ⦋ if ( 𝑦 < ( 2nd ‘ 𝑡 ) , 𝑦 , ( 𝑦 + 1 ) ) / 𝑗 ⦌ ( ( 1st ‘ ( 1st ‘ 𝑡 ) ) ∘f + ( ( ( ( 2nd ‘ ( 1st ‘ 𝑡 ) ) “ ( 1 ... 𝑗 ) ) × { 1 } ) ∪ ( ( ( 2nd ‘ ( 1st ‘ 𝑡 ) ) “ ( ( 𝑗 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) ) ↔ 𝐹 = ( 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ↦ ⦋ if ( 𝑦 < 0 , 𝑦 , ( 𝑦 + 1 ) ) / 𝑗 ⦌ ( ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) ∘f + ( ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) “ ( 1 ... 𝑗 ) ) × { 1 } ) ∪ ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) “ ( ( 𝑗 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) ) ) ) |
| 373 |
372 2
|
elrab2 |
⊢ ( 〈 〈 ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) , ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) 〉 , 0 〉 ∈ 𝑆 ↔ ( 〈 〈 ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) , ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) 〉 , 0 〉 ∈ ( ( ( ( 0 ..^ 𝐾 ) ↑m ( 1 ... 𝑁 ) ) × { 𝑓 ∣ 𝑓 : ( 1 ... 𝑁 ) –1-1-onto→ ( 1 ... 𝑁 ) } ) × ( 0 ... 𝑁 ) ) ∧ 𝐹 = ( 𝑦 ∈ ( 0 ... ( 𝑁 − 1 ) ) ↦ ⦋ if ( 𝑦 < 0 , 𝑦 , ( 𝑦 + 1 ) ) / 𝑗 ⦌ ( ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) ∘f + ( ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) “ ( 1 ... 𝑗 ) ) × { 1 } ) ∪ ( ( ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) “ ( ( 𝑗 + 1 ) ... 𝑁 ) ) × { 0 } ) ) ) ) ) ) |
| 374 |
331 353 373
|
sylanbrc |
⊢ ( 𝜑 → 〈 〈 ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) , ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) 〉 , 0 〉 ∈ 𝑆 ) |
| 375 |
354 52
|
op2ndd |
⊢ ( 𝑇 = 〈 〈 ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) , ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) 〉 , 0 〉 → ( 2nd ‘ 𝑇 ) = 0 ) |
| 376 |
375
|
eqcoms |
⊢ ( 〈 〈 ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) , ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) 〉 , 0 〉 = 𝑇 → ( 2nd ‘ 𝑇 ) = 0 ) |
| 377 |
1
|
nnne0d |
⊢ ( 𝜑 → 𝑁 ≠ 0 ) |
| 378 |
377
|
necomd |
⊢ ( 𝜑 → 0 ≠ 𝑁 ) |
| 379 |
|
neeq1 |
⊢ ( ( 2nd ‘ 𝑇 ) = 0 → ( ( 2nd ‘ 𝑇 ) ≠ 𝑁 ↔ 0 ≠ 𝑁 ) ) |
| 380 |
378 379
|
syl5ibrcom |
⊢ ( 𝜑 → ( ( 2nd ‘ 𝑇 ) = 0 → ( 2nd ‘ 𝑇 ) ≠ 𝑁 ) ) |
| 381 |
376 380
|
syl5 |
⊢ ( 𝜑 → ( 〈 〈 ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) , ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) 〉 , 0 〉 = 𝑇 → ( 2nd ‘ 𝑇 ) ≠ 𝑁 ) ) |
| 382 |
381
|
necon2d |
⊢ ( 𝜑 → ( ( 2nd ‘ 𝑇 ) = 𝑁 → 〈 〈 ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) , ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) 〉 , 0 〉 ≠ 𝑇 ) ) |
| 383 |
6 382
|
mpd |
⊢ ( 𝜑 → 〈 〈 ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) , ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) 〉 , 0 〉 ≠ 𝑇 ) |
| 384 |
|
neeq1 |
⊢ ( 𝑧 = 〈 〈 ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) , ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) 〉 , 0 〉 → ( 𝑧 ≠ 𝑇 ↔ 〈 〈 ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) , ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) 〉 , 0 〉 ≠ 𝑇 ) ) |
| 385 |
384
|
rspcev |
⊢ ( ( 〈 〈 ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) , ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) 〉 , 0 〉 ∈ 𝑆 ∧ 〈 〈 ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ ( ( ( 1st ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑛 ) − if ( 𝑛 = ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ‘ 𝑁 ) , 1 , 0 ) ) ) , ( ( 2nd ‘ ( 1st ‘ 𝑇 ) ) ∘ ( 𝑛 ∈ ( 1 ... 𝑁 ) ↦ if ( 𝑛 = 1 , 𝑁 , ( 𝑛 − 1 ) ) ) ) 〉 , 0 〉 ≠ 𝑇 ) → ∃ 𝑧 ∈ 𝑆 𝑧 ≠ 𝑇 ) |
| 386 |
374 383 385
|
syl2anc |
⊢ ( 𝜑 → ∃ 𝑧 ∈ 𝑆 𝑧 ≠ 𝑇 ) |