Step |
Hyp |
Ref |
Expression |
1 |
|
ballotth.m |
⊢ 𝑀 ∈ ℕ |
2 |
|
ballotth.n |
⊢ 𝑁 ∈ ℕ |
3 |
|
ballotth.o |
⊢ 𝑂 = { 𝑐 ∈ 𝒫 ( 1 ... ( 𝑀 + 𝑁 ) ) ∣ ( ♯ ‘ 𝑐 ) = 𝑀 } |
4 |
|
ballotth.p |
⊢ 𝑃 = ( 𝑥 ∈ 𝒫 𝑂 ↦ ( ( ♯ ‘ 𝑥 ) / ( ♯ ‘ 𝑂 ) ) ) |
5 |
|
ballotth.f |
⊢ 𝐹 = ( 𝑐 ∈ 𝑂 ↦ ( 𝑖 ∈ ℤ ↦ ( ( ♯ ‘ ( ( 1 ... 𝑖 ) ∩ 𝑐 ) ) − ( ♯ ‘ ( ( 1 ... 𝑖 ) ∖ 𝑐 ) ) ) ) ) |
6 |
|
ballotth.e |
⊢ 𝐸 = { 𝑐 ∈ 𝑂 ∣ ∀ 𝑖 ∈ ( 1 ... ( 𝑀 + 𝑁 ) ) 0 < ( ( 𝐹 ‘ 𝑐 ) ‘ 𝑖 ) } |
7 |
|
ballotth.mgtn |
⊢ 𝑁 < 𝑀 |
8 |
|
ballotth.i |
⊢ 𝐼 = ( 𝑐 ∈ ( 𝑂 ∖ 𝐸 ) ↦ inf ( { 𝑘 ∈ ( 1 ... ( 𝑀 + 𝑁 ) ) ∣ ( ( 𝐹 ‘ 𝑐 ) ‘ 𝑘 ) = 0 } , ℝ , < ) ) |
9 |
|
ballotth.s |
⊢ 𝑆 = ( 𝑐 ∈ ( 𝑂 ∖ 𝐸 ) ↦ ( 𝑖 ∈ ( 1 ... ( 𝑀 + 𝑁 ) ) ↦ if ( 𝑖 ≤ ( 𝐼 ‘ 𝑐 ) , ( ( ( 𝐼 ‘ 𝑐 ) + 1 ) − 𝑖 ) , 𝑖 ) ) ) |
10 |
1 2 3 4 5 6 7 8 9
|
ballotlemsv |
⊢ ( ( 𝐶 ∈ ( 𝑂 ∖ 𝐸 ) ∧ 𝐽 ∈ ( 1 ... ( 𝑀 + 𝑁 ) ) ) → ( ( 𝑆 ‘ 𝐶 ) ‘ 𝐽 ) = if ( 𝐽 ≤ ( 𝐼 ‘ 𝐶 ) , ( ( ( 𝐼 ‘ 𝐶 ) + 1 ) − 𝐽 ) , 𝐽 ) ) |
11 |
|
fzssuz |
⊢ ( 1 ... ( 𝑀 + 𝑁 ) ) ⊆ ( ℤ≥ ‘ 1 ) |
12 |
|
uzssz |
⊢ ( ℤ≥ ‘ 1 ) ⊆ ℤ |
13 |
11 12
|
sstri |
⊢ ( 1 ... ( 𝑀 + 𝑁 ) ) ⊆ ℤ |
14 |
1 2 3 4 5 6 7 8
|
ballotlemiex |
⊢ ( 𝐶 ∈ ( 𝑂 ∖ 𝐸 ) → ( ( 𝐼 ‘ 𝐶 ) ∈ ( 1 ... ( 𝑀 + 𝑁 ) ) ∧ ( ( 𝐹 ‘ 𝐶 ) ‘ ( 𝐼 ‘ 𝐶 ) ) = 0 ) ) |
15 |
14
|
simpld |
⊢ ( 𝐶 ∈ ( 𝑂 ∖ 𝐸 ) → ( 𝐼 ‘ 𝐶 ) ∈ ( 1 ... ( 𝑀 + 𝑁 ) ) ) |
16 |
13 15
|
sseldi |
⊢ ( 𝐶 ∈ ( 𝑂 ∖ 𝐸 ) → ( 𝐼 ‘ 𝐶 ) ∈ ℤ ) |
17 |
16
|
ad2antrr |
⊢ ( ( ( 𝐶 ∈ ( 𝑂 ∖ 𝐸 ) ∧ 𝐽 ∈ ( 1 ... ( 𝑀 + 𝑁 ) ) ) ∧ 𝐽 ≤ ( 𝐼 ‘ 𝐶 ) ) → ( 𝐼 ‘ 𝐶 ) ∈ ℤ ) |
18 |
|
nnaddcl |
⊢ ( ( 𝑀 ∈ ℕ ∧ 𝑁 ∈ ℕ ) → ( 𝑀 + 𝑁 ) ∈ ℕ ) |
19 |
1 2 18
|
mp2an |
⊢ ( 𝑀 + 𝑁 ) ∈ ℕ |
20 |
19
|
nnzi |
⊢ ( 𝑀 + 𝑁 ) ∈ ℤ |
21 |
20
|
a1i |
⊢ ( ( ( 𝐶 ∈ ( 𝑂 ∖ 𝐸 ) ∧ 𝐽 ∈ ( 1 ... ( 𝑀 + 𝑁 ) ) ) ∧ 𝐽 ≤ ( 𝐼 ‘ 𝐶 ) ) → ( 𝑀 + 𝑁 ) ∈ ℤ ) |
22 |
15
|
ad2antrr |
⊢ ( ( ( 𝐶 ∈ ( 𝑂 ∖ 𝐸 ) ∧ 𝐽 ∈ ( 1 ... ( 𝑀 + 𝑁 ) ) ) ∧ 𝐽 ≤ ( 𝐼 ‘ 𝐶 ) ) → ( 𝐼 ‘ 𝐶 ) ∈ ( 1 ... ( 𝑀 + 𝑁 ) ) ) |
23 |
|
elfzle2 |
⊢ ( ( 𝐼 ‘ 𝐶 ) ∈ ( 1 ... ( 𝑀 + 𝑁 ) ) → ( 𝐼 ‘ 𝐶 ) ≤ ( 𝑀 + 𝑁 ) ) |
24 |
22 23
|
syl |
⊢ ( ( ( 𝐶 ∈ ( 𝑂 ∖ 𝐸 ) ∧ 𝐽 ∈ ( 1 ... ( 𝑀 + 𝑁 ) ) ) ∧ 𝐽 ≤ ( 𝐼 ‘ 𝐶 ) ) → ( 𝐼 ‘ 𝐶 ) ≤ ( 𝑀 + 𝑁 ) ) |
25 |
|
eluz2 |
⊢ ( ( 𝑀 + 𝑁 ) ∈ ( ℤ≥ ‘ ( 𝐼 ‘ 𝐶 ) ) ↔ ( ( 𝐼 ‘ 𝐶 ) ∈ ℤ ∧ ( 𝑀 + 𝑁 ) ∈ ℤ ∧ ( 𝐼 ‘ 𝐶 ) ≤ ( 𝑀 + 𝑁 ) ) ) |
26 |
|
fzss2 |
⊢ ( ( 𝑀 + 𝑁 ) ∈ ( ℤ≥ ‘ ( 𝐼 ‘ 𝐶 ) ) → ( 1 ... ( 𝐼 ‘ 𝐶 ) ) ⊆ ( 1 ... ( 𝑀 + 𝑁 ) ) ) |
27 |
25 26
|
sylbir |
⊢ ( ( ( 𝐼 ‘ 𝐶 ) ∈ ℤ ∧ ( 𝑀 + 𝑁 ) ∈ ℤ ∧ ( 𝐼 ‘ 𝐶 ) ≤ ( 𝑀 + 𝑁 ) ) → ( 1 ... ( 𝐼 ‘ 𝐶 ) ) ⊆ ( 1 ... ( 𝑀 + 𝑁 ) ) ) |
28 |
17 21 24 27
|
syl3anc |
⊢ ( ( ( 𝐶 ∈ ( 𝑂 ∖ 𝐸 ) ∧ 𝐽 ∈ ( 1 ... ( 𝑀 + 𝑁 ) ) ) ∧ 𝐽 ≤ ( 𝐼 ‘ 𝐶 ) ) → ( 1 ... ( 𝐼 ‘ 𝐶 ) ) ⊆ ( 1 ... ( 𝑀 + 𝑁 ) ) ) |
29 |
|
1zzd |
⊢ ( ( ( 𝐶 ∈ ( 𝑂 ∖ 𝐸 ) ∧ 𝐽 ∈ ( 1 ... ( 𝑀 + 𝑁 ) ) ) ∧ 𝐽 ≤ ( 𝐼 ‘ 𝐶 ) ) → 1 ∈ ℤ ) |
30 |
|
simplr |
⊢ ( ( ( 𝐶 ∈ ( 𝑂 ∖ 𝐸 ) ∧ 𝐽 ∈ ( 1 ... ( 𝑀 + 𝑁 ) ) ) ∧ 𝐽 ≤ ( 𝐼 ‘ 𝐶 ) ) → 𝐽 ∈ ( 1 ... ( 𝑀 + 𝑁 ) ) ) |
31 |
13 30
|
sseldi |
⊢ ( ( ( 𝐶 ∈ ( 𝑂 ∖ 𝐸 ) ∧ 𝐽 ∈ ( 1 ... ( 𝑀 + 𝑁 ) ) ) ∧ 𝐽 ≤ ( 𝐼 ‘ 𝐶 ) ) → 𝐽 ∈ ℤ ) |
32 |
|
elfzle1 |
⊢ ( 𝐽 ∈ ( 1 ... ( 𝑀 + 𝑁 ) ) → 1 ≤ 𝐽 ) |
33 |
30 32
|
syl |
⊢ ( ( ( 𝐶 ∈ ( 𝑂 ∖ 𝐸 ) ∧ 𝐽 ∈ ( 1 ... ( 𝑀 + 𝑁 ) ) ) ∧ 𝐽 ≤ ( 𝐼 ‘ 𝐶 ) ) → 1 ≤ 𝐽 ) |
34 |
|
simpr |
⊢ ( ( ( 𝐶 ∈ ( 𝑂 ∖ 𝐸 ) ∧ 𝐽 ∈ ( 1 ... ( 𝑀 + 𝑁 ) ) ) ∧ 𝐽 ≤ ( 𝐼 ‘ 𝐶 ) ) → 𝐽 ≤ ( 𝐼 ‘ 𝐶 ) ) |
35 |
|
elfz4 |
⊢ ( ( ( 1 ∈ ℤ ∧ ( 𝐼 ‘ 𝐶 ) ∈ ℤ ∧ 𝐽 ∈ ℤ ) ∧ ( 1 ≤ 𝐽 ∧ 𝐽 ≤ ( 𝐼 ‘ 𝐶 ) ) ) → 𝐽 ∈ ( 1 ... ( 𝐼 ‘ 𝐶 ) ) ) |
36 |
29 17 31 33 34 35
|
syl32anc |
⊢ ( ( ( 𝐶 ∈ ( 𝑂 ∖ 𝐸 ) ∧ 𝐽 ∈ ( 1 ... ( 𝑀 + 𝑁 ) ) ) ∧ 𝐽 ≤ ( 𝐼 ‘ 𝐶 ) ) → 𝐽 ∈ ( 1 ... ( 𝐼 ‘ 𝐶 ) ) ) |
37 |
|
fzrev3i |
⊢ ( 𝐽 ∈ ( 1 ... ( 𝐼 ‘ 𝐶 ) ) → ( ( 1 + ( 𝐼 ‘ 𝐶 ) ) − 𝐽 ) ∈ ( 1 ... ( 𝐼 ‘ 𝐶 ) ) ) |
38 |
36 37
|
syl |
⊢ ( ( ( 𝐶 ∈ ( 𝑂 ∖ 𝐸 ) ∧ 𝐽 ∈ ( 1 ... ( 𝑀 + 𝑁 ) ) ) ∧ 𝐽 ≤ ( 𝐼 ‘ 𝐶 ) ) → ( ( 1 + ( 𝐼 ‘ 𝐶 ) ) − 𝐽 ) ∈ ( 1 ... ( 𝐼 ‘ 𝐶 ) ) ) |
39 |
|
1cnd |
⊢ ( 𝐶 ∈ ( 𝑂 ∖ 𝐸 ) → 1 ∈ ℂ ) |
40 |
16
|
zcnd |
⊢ ( 𝐶 ∈ ( 𝑂 ∖ 𝐸 ) → ( 𝐼 ‘ 𝐶 ) ∈ ℂ ) |
41 |
39 40
|
addcomd |
⊢ ( 𝐶 ∈ ( 𝑂 ∖ 𝐸 ) → ( 1 + ( 𝐼 ‘ 𝐶 ) ) = ( ( 𝐼 ‘ 𝐶 ) + 1 ) ) |
42 |
41
|
oveq1d |
⊢ ( 𝐶 ∈ ( 𝑂 ∖ 𝐸 ) → ( ( 1 + ( 𝐼 ‘ 𝐶 ) ) − 𝐽 ) = ( ( ( 𝐼 ‘ 𝐶 ) + 1 ) − 𝐽 ) ) |
43 |
42
|
eleq1d |
⊢ ( 𝐶 ∈ ( 𝑂 ∖ 𝐸 ) → ( ( ( 1 + ( 𝐼 ‘ 𝐶 ) ) − 𝐽 ) ∈ ( 1 ... ( 𝐼 ‘ 𝐶 ) ) ↔ ( ( ( 𝐼 ‘ 𝐶 ) + 1 ) − 𝐽 ) ∈ ( 1 ... ( 𝐼 ‘ 𝐶 ) ) ) ) |
44 |
43
|
ad2antrr |
⊢ ( ( ( 𝐶 ∈ ( 𝑂 ∖ 𝐸 ) ∧ 𝐽 ∈ ( 1 ... ( 𝑀 + 𝑁 ) ) ) ∧ 𝐽 ≤ ( 𝐼 ‘ 𝐶 ) ) → ( ( ( 1 + ( 𝐼 ‘ 𝐶 ) ) − 𝐽 ) ∈ ( 1 ... ( 𝐼 ‘ 𝐶 ) ) ↔ ( ( ( 𝐼 ‘ 𝐶 ) + 1 ) − 𝐽 ) ∈ ( 1 ... ( 𝐼 ‘ 𝐶 ) ) ) ) |
45 |
38 44
|
mpbid |
⊢ ( ( ( 𝐶 ∈ ( 𝑂 ∖ 𝐸 ) ∧ 𝐽 ∈ ( 1 ... ( 𝑀 + 𝑁 ) ) ) ∧ 𝐽 ≤ ( 𝐼 ‘ 𝐶 ) ) → ( ( ( 𝐼 ‘ 𝐶 ) + 1 ) − 𝐽 ) ∈ ( 1 ... ( 𝐼 ‘ 𝐶 ) ) ) |
46 |
28 45
|
sseldd |
⊢ ( ( ( 𝐶 ∈ ( 𝑂 ∖ 𝐸 ) ∧ 𝐽 ∈ ( 1 ... ( 𝑀 + 𝑁 ) ) ) ∧ 𝐽 ≤ ( 𝐼 ‘ 𝐶 ) ) → ( ( ( 𝐼 ‘ 𝐶 ) + 1 ) − 𝐽 ) ∈ ( 1 ... ( 𝑀 + 𝑁 ) ) ) |
47 |
|
simplr |
⊢ ( ( ( 𝐶 ∈ ( 𝑂 ∖ 𝐸 ) ∧ 𝐽 ∈ ( 1 ... ( 𝑀 + 𝑁 ) ) ) ∧ ¬ 𝐽 ≤ ( 𝐼 ‘ 𝐶 ) ) → 𝐽 ∈ ( 1 ... ( 𝑀 + 𝑁 ) ) ) |
48 |
46 47
|
ifclda |
⊢ ( ( 𝐶 ∈ ( 𝑂 ∖ 𝐸 ) ∧ 𝐽 ∈ ( 1 ... ( 𝑀 + 𝑁 ) ) ) → if ( 𝐽 ≤ ( 𝐼 ‘ 𝐶 ) , ( ( ( 𝐼 ‘ 𝐶 ) + 1 ) − 𝐽 ) , 𝐽 ) ∈ ( 1 ... ( 𝑀 + 𝑁 ) ) ) |
49 |
10 48
|
eqeltrd |
⊢ ( ( 𝐶 ∈ ( 𝑂 ∖ 𝐸 ) ∧ 𝐽 ∈ ( 1 ... ( 𝑀 + 𝑁 ) ) ) → ( ( 𝑆 ‘ 𝐶 ) ‘ 𝐽 ) ∈ ( 1 ... ( 𝑀 + 𝑁 ) ) ) |