Step |
Hyp |
Ref |
Expression |
1 |
|
df-fmla |
⊢ Fmla = ( 𝑛 ∈ suc ω ↦ dom ( ( ∅ Sat ∅ ) ‘ 𝑛 ) ) |
2 |
|
fveq2 |
⊢ ( 𝑛 = suc 𝑁 → ( ( ∅ Sat ∅ ) ‘ 𝑛 ) = ( ( ∅ Sat ∅ ) ‘ suc 𝑁 ) ) |
3 |
2
|
dmeqd |
⊢ ( 𝑛 = suc 𝑁 → dom ( ( ∅ Sat ∅ ) ‘ 𝑛 ) = dom ( ( ∅ Sat ∅ ) ‘ suc 𝑁 ) ) |
4 |
|
omsucelsucb |
⊢ ( 𝑁 ∈ ω ↔ suc 𝑁 ∈ suc ω ) |
5 |
4
|
biimpi |
⊢ ( 𝑁 ∈ ω → suc 𝑁 ∈ suc ω ) |
6 |
|
fvex |
⊢ ( ( ∅ Sat ∅ ) ‘ suc 𝑁 ) ∈ V |
7 |
6
|
dmex |
⊢ dom ( ( ∅ Sat ∅ ) ‘ suc 𝑁 ) ∈ V |
8 |
7
|
a1i |
⊢ ( 𝑁 ∈ ω → dom ( ( ∅ Sat ∅ ) ‘ suc 𝑁 ) ∈ V ) |
9 |
1 3 5 8
|
fvmptd3 |
⊢ ( 𝑁 ∈ ω → ( Fmla ‘ suc 𝑁 ) = dom ( ( ∅ Sat ∅ ) ‘ suc 𝑁 ) ) |
10 |
|
satf0sucom |
⊢ ( suc 𝑁 ∈ suc ω → ( ( ∅ Sat ∅ ) ‘ suc 𝑁 ) = ( rec ( ( 𝑓 ∈ V ↦ ( 𝑓 ∪ { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ 𝑓 ( ∃ 𝑣 ∈ 𝑓 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } ) ) , { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑖 ∈ ω ∃ 𝑗 ∈ ω 𝑥 = ( 𝑖 ∈𝑔 𝑗 ) ) } ) ‘ suc 𝑁 ) ) |
11 |
5 10
|
syl |
⊢ ( 𝑁 ∈ ω → ( ( ∅ Sat ∅ ) ‘ suc 𝑁 ) = ( rec ( ( 𝑓 ∈ V ↦ ( 𝑓 ∪ { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ 𝑓 ( ∃ 𝑣 ∈ 𝑓 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } ) ) , { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑖 ∈ ω ∃ 𝑗 ∈ ω 𝑥 = ( 𝑖 ∈𝑔 𝑗 ) ) } ) ‘ suc 𝑁 ) ) |
12 |
|
nnon |
⊢ ( 𝑁 ∈ ω → 𝑁 ∈ On ) |
13 |
|
rdgsuc |
⊢ ( 𝑁 ∈ On → ( rec ( ( 𝑓 ∈ V ↦ ( 𝑓 ∪ { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ 𝑓 ( ∃ 𝑣 ∈ 𝑓 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } ) ) , { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑖 ∈ ω ∃ 𝑗 ∈ ω 𝑥 = ( 𝑖 ∈𝑔 𝑗 ) ) } ) ‘ suc 𝑁 ) = ( ( 𝑓 ∈ V ↦ ( 𝑓 ∪ { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ 𝑓 ( ∃ 𝑣 ∈ 𝑓 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } ) ) ‘ ( rec ( ( 𝑓 ∈ V ↦ ( 𝑓 ∪ { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ 𝑓 ( ∃ 𝑣 ∈ 𝑓 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } ) ) , { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑖 ∈ ω ∃ 𝑗 ∈ ω 𝑥 = ( 𝑖 ∈𝑔 𝑗 ) ) } ) ‘ 𝑁 ) ) ) |
14 |
12 13
|
syl |
⊢ ( 𝑁 ∈ ω → ( rec ( ( 𝑓 ∈ V ↦ ( 𝑓 ∪ { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ 𝑓 ( ∃ 𝑣 ∈ 𝑓 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } ) ) , { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑖 ∈ ω ∃ 𝑗 ∈ ω 𝑥 = ( 𝑖 ∈𝑔 𝑗 ) ) } ) ‘ suc 𝑁 ) = ( ( 𝑓 ∈ V ↦ ( 𝑓 ∪ { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ 𝑓 ( ∃ 𝑣 ∈ 𝑓 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } ) ) ‘ ( rec ( ( 𝑓 ∈ V ↦ ( 𝑓 ∪ { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ 𝑓 ( ∃ 𝑣 ∈ 𝑓 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } ) ) , { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑖 ∈ ω ∃ 𝑗 ∈ ω 𝑥 = ( 𝑖 ∈𝑔 𝑗 ) ) } ) ‘ 𝑁 ) ) ) |
15 |
11 14
|
eqtrd |
⊢ ( 𝑁 ∈ ω → ( ( ∅ Sat ∅ ) ‘ suc 𝑁 ) = ( ( 𝑓 ∈ V ↦ ( 𝑓 ∪ { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ 𝑓 ( ∃ 𝑣 ∈ 𝑓 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } ) ) ‘ ( rec ( ( 𝑓 ∈ V ↦ ( 𝑓 ∪ { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ 𝑓 ( ∃ 𝑣 ∈ 𝑓 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } ) ) , { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑖 ∈ ω ∃ 𝑗 ∈ ω 𝑥 = ( 𝑖 ∈𝑔 𝑗 ) ) } ) ‘ 𝑁 ) ) ) |
16 |
15
|
dmeqd |
⊢ ( 𝑁 ∈ ω → dom ( ( ∅ Sat ∅ ) ‘ suc 𝑁 ) = dom ( ( 𝑓 ∈ V ↦ ( 𝑓 ∪ { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ 𝑓 ( ∃ 𝑣 ∈ 𝑓 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } ) ) ‘ ( rec ( ( 𝑓 ∈ V ↦ ( 𝑓 ∪ { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ 𝑓 ( ∃ 𝑣 ∈ 𝑓 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } ) ) , { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑖 ∈ ω ∃ 𝑗 ∈ ω 𝑥 = ( 𝑖 ∈𝑔 𝑗 ) ) } ) ‘ 𝑁 ) ) ) |
17 |
|
elelsuc |
⊢ ( 𝑁 ∈ ω → 𝑁 ∈ suc ω ) |
18 |
|
satf0sucom |
⊢ ( 𝑁 ∈ suc ω → ( ( ∅ Sat ∅ ) ‘ 𝑁 ) = ( rec ( ( 𝑓 ∈ V ↦ ( 𝑓 ∪ { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ 𝑓 ( ∃ 𝑣 ∈ 𝑓 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } ) ) , { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑖 ∈ ω ∃ 𝑗 ∈ ω 𝑥 = ( 𝑖 ∈𝑔 𝑗 ) ) } ) ‘ 𝑁 ) ) |
19 |
18
|
eqcomd |
⊢ ( 𝑁 ∈ suc ω → ( rec ( ( 𝑓 ∈ V ↦ ( 𝑓 ∪ { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ 𝑓 ( ∃ 𝑣 ∈ 𝑓 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } ) ) , { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑖 ∈ ω ∃ 𝑗 ∈ ω 𝑥 = ( 𝑖 ∈𝑔 𝑗 ) ) } ) ‘ 𝑁 ) = ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ) |
20 |
17 19
|
syl |
⊢ ( 𝑁 ∈ ω → ( rec ( ( 𝑓 ∈ V ↦ ( 𝑓 ∪ { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ 𝑓 ( ∃ 𝑣 ∈ 𝑓 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } ) ) , { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑖 ∈ ω ∃ 𝑗 ∈ ω 𝑥 = ( 𝑖 ∈𝑔 𝑗 ) ) } ) ‘ 𝑁 ) = ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ) |
21 |
20
|
fveq2d |
⊢ ( 𝑁 ∈ ω → ( ( 𝑓 ∈ V ↦ ( 𝑓 ∪ { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ 𝑓 ( ∃ 𝑣 ∈ 𝑓 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } ) ) ‘ ( rec ( ( 𝑓 ∈ V ↦ ( 𝑓 ∪ { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ 𝑓 ( ∃ 𝑣 ∈ 𝑓 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } ) ) , { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑖 ∈ ω ∃ 𝑗 ∈ ω 𝑥 = ( 𝑖 ∈𝑔 𝑗 ) ) } ) ‘ 𝑁 ) ) = ( ( 𝑓 ∈ V ↦ ( 𝑓 ∪ { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ 𝑓 ( ∃ 𝑣 ∈ 𝑓 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } ) ) ‘ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ) ) |
22 |
|
eqidd |
⊢ ( 𝑁 ∈ ω → ( 𝑓 ∈ V ↦ ( 𝑓 ∪ { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ 𝑓 ( ∃ 𝑣 ∈ 𝑓 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } ) ) = ( 𝑓 ∈ V ↦ ( 𝑓 ∪ { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ 𝑓 ( ∃ 𝑣 ∈ 𝑓 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } ) ) ) |
23 |
|
id |
⊢ ( 𝑓 = ( ( ∅ Sat ∅ ) ‘ 𝑁 ) → 𝑓 = ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ) |
24 |
|
rexeq |
⊢ ( 𝑓 = ( ( ∅ Sat ∅ ) ‘ 𝑁 ) → ( ∃ 𝑣 ∈ 𝑓 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ↔ ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ) ) |
25 |
24
|
orbi1d |
⊢ ( 𝑓 = ( ( ∅ Sat ∅ ) ‘ 𝑁 ) → ( ( ∃ 𝑣 ∈ 𝑓 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ↔ ( ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) ) |
26 |
25
|
rexeqbi1dv |
⊢ ( 𝑓 = ( ( ∅ Sat ∅ ) ‘ 𝑁 ) → ( ∃ 𝑢 ∈ 𝑓 ( ∃ 𝑣 ∈ 𝑓 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ↔ ∃ 𝑢 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ( ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) ) |
27 |
26
|
anbi2d |
⊢ ( 𝑓 = ( ( ∅ Sat ∅ ) ‘ 𝑁 ) → ( ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ 𝑓 ( ∃ 𝑣 ∈ 𝑓 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) ↔ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ( ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) ) ) |
28 |
27
|
opabbidv |
⊢ ( 𝑓 = ( ( ∅ Sat ∅ ) ‘ 𝑁 ) → { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ 𝑓 ( ∃ 𝑣 ∈ 𝑓 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } = { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ( ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } ) |
29 |
23 28
|
uneq12d |
⊢ ( 𝑓 = ( ( ∅ Sat ∅ ) ‘ 𝑁 ) → ( 𝑓 ∪ { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ 𝑓 ( ∃ 𝑣 ∈ 𝑓 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } ) = ( ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ∪ { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ( ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } ) ) |
30 |
29
|
adantl |
⊢ ( ( 𝑁 ∈ ω ∧ 𝑓 = ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ) → ( 𝑓 ∪ { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ 𝑓 ( ∃ 𝑣 ∈ 𝑓 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } ) = ( ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ∪ { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ( ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } ) ) |
31 |
|
fvex |
⊢ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ∈ V |
32 |
31
|
a1i |
⊢ ( 𝑁 ∈ ω → ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ∈ V ) |
33 |
|
peano1 |
⊢ ∅ ∈ ω |
34 |
|
eleq1 |
⊢ ( 𝑦 = ∅ → ( 𝑦 ∈ ω ↔ ∅ ∈ ω ) ) |
35 |
33 34
|
mpbiri |
⊢ ( 𝑦 = ∅ → 𝑦 ∈ ω ) |
36 |
35
|
adantr |
⊢ ( ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ( ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) → 𝑦 ∈ ω ) |
37 |
36
|
pm4.71ri |
⊢ ( ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ( ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) ↔ ( 𝑦 ∈ ω ∧ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ( ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) ) ) |
38 |
37
|
opabbii |
⊢ { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ( ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } = { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 ∈ ω ∧ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ( ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) ) } |
39 |
|
omex |
⊢ ω ∈ V |
40 |
|
id |
⊢ ( ω ∈ V → ω ∈ V ) |
41 |
|
unab |
⊢ ( { 𝑥 ∣ ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) } ∪ { 𝑥 ∣ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) } ) = { 𝑥 ∣ ( ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) } |
42 |
31
|
abrexex |
⊢ { 𝑥 ∣ ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) } ∈ V |
43 |
39
|
abrexex |
⊢ { 𝑥 ∣ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) } ∈ V |
44 |
42 43
|
unex |
⊢ ( { 𝑥 ∣ ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) } ∪ { 𝑥 ∣ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) } ) ∈ V |
45 |
41 44
|
eqeltrri |
⊢ { 𝑥 ∣ ( ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) } ∈ V |
46 |
45
|
a1i |
⊢ ( ( ( ω ∈ V ∧ 𝑦 ∈ ω ) ∧ 𝑢 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ) → { 𝑥 ∣ ( ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) } ∈ V ) |
47 |
46
|
ralrimiva |
⊢ ( ( ω ∈ V ∧ 𝑦 ∈ ω ) → ∀ 𝑢 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) { 𝑥 ∣ ( ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) } ∈ V ) |
48 |
|
abrexex2g |
⊢ ( ( ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ∈ V ∧ ∀ 𝑢 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) { 𝑥 ∣ ( ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) } ∈ V ) → { 𝑥 ∣ ∃ 𝑢 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ( ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) } ∈ V ) |
49 |
31 47 48
|
sylancr |
⊢ ( ( ω ∈ V ∧ 𝑦 ∈ ω ) → { 𝑥 ∣ ∃ 𝑢 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ( ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) } ∈ V ) |
50 |
40 49
|
opabex3rd |
⊢ ( ω ∈ V → { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 ∈ ω ∧ ∃ 𝑢 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ( ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } ∈ V ) |
51 |
39 50
|
ax-mp |
⊢ { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 ∈ ω ∧ ∃ 𝑢 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ( ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } ∈ V |
52 |
|
simpr |
⊢ ( ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ( ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) → ∃ 𝑢 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ( ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) |
53 |
52
|
anim2i |
⊢ ( ( 𝑦 ∈ ω ∧ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ( ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) ) → ( 𝑦 ∈ ω ∧ ∃ 𝑢 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ( ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) ) |
54 |
53
|
ssopab2i |
⊢ { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 ∈ ω ∧ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ( ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) ) } ⊆ { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 ∈ ω ∧ ∃ 𝑢 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ( ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } |
55 |
51 54
|
ssexi |
⊢ { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 ∈ ω ∧ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ( ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) ) } ∈ V |
56 |
55
|
a1i |
⊢ ( 𝑁 ∈ ω → { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 ∈ ω ∧ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ( ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) ) } ∈ V ) |
57 |
38 56
|
eqeltrid |
⊢ ( 𝑁 ∈ ω → { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ( ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } ∈ V ) |
58 |
|
unexg |
⊢ ( ( ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ∈ V ∧ { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ( ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } ∈ V ) → ( ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ∪ { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ( ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } ) ∈ V ) |
59 |
31 57 58
|
sylancr |
⊢ ( 𝑁 ∈ ω → ( ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ∪ { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ( ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } ) ∈ V ) |
60 |
22 30 32 59
|
fvmptd |
⊢ ( 𝑁 ∈ ω → ( ( 𝑓 ∈ V ↦ ( 𝑓 ∪ { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ 𝑓 ( ∃ 𝑣 ∈ 𝑓 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } ) ) ‘ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ) = ( ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ∪ { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ( ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } ) ) |
61 |
21 60
|
eqtrd |
⊢ ( 𝑁 ∈ ω → ( ( 𝑓 ∈ V ↦ ( 𝑓 ∪ { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ 𝑓 ( ∃ 𝑣 ∈ 𝑓 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } ) ) ‘ ( rec ( ( 𝑓 ∈ V ↦ ( 𝑓 ∪ { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ 𝑓 ( ∃ 𝑣 ∈ 𝑓 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } ) ) , { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑖 ∈ ω ∃ 𝑗 ∈ ω 𝑥 = ( 𝑖 ∈𝑔 𝑗 ) ) } ) ‘ 𝑁 ) ) = ( ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ∪ { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ( ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } ) ) |
62 |
61
|
dmeqd |
⊢ ( 𝑁 ∈ ω → dom ( ( 𝑓 ∈ V ↦ ( 𝑓 ∪ { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ 𝑓 ( ∃ 𝑣 ∈ 𝑓 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } ) ) ‘ ( rec ( ( 𝑓 ∈ V ↦ ( 𝑓 ∪ { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ 𝑓 ( ∃ 𝑣 ∈ 𝑓 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } ) ) , { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑖 ∈ ω ∃ 𝑗 ∈ ω 𝑥 = ( 𝑖 ∈𝑔 𝑗 ) ) } ) ‘ 𝑁 ) ) = dom ( ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ∪ { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ( ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } ) ) |
63 |
|
dmun |
⊢ dom ( ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ∪ { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ( ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } ) = ( dom ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ∪ dom { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ( ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } ) |
64 |
62 63
|
eqtrdi |
⊢ ( 𝑁 ∈ ω → dom ( ( 𝑓 ∈ V ↦ ( 𝑓 ∪ { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ 𝑓 ( ∃ 𝑣 ∈ 𝑓 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } ) ) ‘ ( rec ( ( 𝑓 ∈ V ↦ ( 𝑓 ∪ { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ 𝑓 ( ∃ 𝑣 ∈ 𝑓 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } ) ) , { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑖 ∈ ω ∃ 𝑗 ∈ ω 𝑥 = ( 𝑖 ∈𝑔 𝑗 ) ) } ) ‘ 𝑁 ) ) = ( dom ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ∪ dom { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ( ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } ) ) |
65 |
|
fmlafv |
⊢ ( 𝑁 ∈ suc ω → ( Fmla ‘ 𝑁 ) = dom ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ) |
66 |
17 65
|
syl |
⊢ ( 𝑁 ∈ ω → ( Fmla ‘ 𝑁 ) = dom ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ) |
67 |
66
|
eqcomd |
⊢ ( 𝑁 ∈ ω → dom ( ( ∅ Sat ∅ ) ‘ 𝑁 ) = ( Fmla ‘ 𝑁 ) ) |
68 |
|
dmopab |
⊢ dom { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ( ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } = { 𝑥 ∣ ∃ 𝑦 ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ( ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } |
69 |
68
|
a1i |
⊢ ( 𝑁 ∈ ω → dom { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ( ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } = { 𝑥 ∣ ∃ 𝑦 ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ( ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } ) |
70 |
|
0ex |
⊢ ∅ ∈ V |
71 |
70
|
isseti |
⊢ ∃ 𝑦 𝑦 = ∅ |
72 |
|
19.41v |
⊢ ( ∃ 𝑦 ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ( ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) ↔ ( ∃ 𝑦 𝑦 = ∅ ∧ ∃ 𝑢 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ( ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) ) |
73 |
71 72
|
mpbiran |
⊢ ( ∃ 𝑦 ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ( ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) ↔ ∃ 𝑢 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ( ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) |
74 |
73
|
abbii |
⊢ { 𝑥 ∣ ∃ 𝑦 ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ( ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } = { 𝑥 ∣ ∃ 𝑢 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ( ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) } |
75 |
69 74
|
eqtrdi |
⊢ ( 𝑁 ∈ ω → dom { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ( ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } = { 𝑥 ∣ ∃ 𝑢 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ( ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) } ) |
76 |
67 75
|
uneq12d |
⊢ ( 𝑁 ∈ ω → ( dom ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ∪ dom { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ( ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } ) = ( ( Fmla ‘ 𝑁 ) ∪ { 𝑥 ∣ ∃ 𝑢 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ( ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) } ) ) |
77 |
64 76
|
eqtrd |
⊢ ( 𝑁 ∈ ω → dom ( ( 𝑓 ∈ V ↦ ( 𝑓 ∪ { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ 𝑓 ( ∃ 𝑣 ∈ 𝑓 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } ) ) ‘ ( rec ( ( 𝑓 ∈ V ↦ ( 𝑓 ∪ { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑢 ∈ 𝑓 ( ∃ 𝑣 ∈ 𝑓 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) ) } ) ) , { 〈 𝑥 , 𝑦 〉 ∣ ( 𝑦 = ∅ ∧ ∃ 𝑖 ∈ ω ∃ 𝑗 ∈ ω 𝑥 = ( 𝑖 ∈𝑔 𝑗 ) ) } ) ‘ 𝑁 ) ) = ( ( Fmla ‘ 𝑁 ) ∪ { 𝑥 ∣ ∃ 𝑢 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ( ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) } ) ) |
78 |
9 16 77
|
3eqtrd |
⊢ ( 𝑁 ∈ ω → ( Fmla ‘ suc 𝑁 ) = ( ( Fmla ‘ 𝑁 ) ∪ { 𝑥 ∣ ∃ 𝑢 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) ( ∃ 𝑣 ∈ ( ( ∅ Sat ∅ ) ‘ 𝑁 ) 𝑥 = ( ( 1st ‘ 𝑢 ) ⊼𝑔 ( 1st ‘ 𝑣 ) ) ∨ ∃ 𝑖 ∈ ω 𝑥 = ∀𝑔 𝑖 ( 1st ‘ 𝑢 ) ) } ) ) |