Proof of Theorem satfvsuclem2
Step | Hyp | Ref
| Expression |
1 | | r19.41v 3275 |
. . . . . . 7
⊢
(∃𝑣 ∈
(𝑆‘𝑁)((𝑥 = ((1st ‘𝑢)⊼𝑔(1st
‘𝑣)) ∧ 𝑦 = ((𝑀 ↑m ω) ∖
((2nd ‘𝑢)
∩ (2nd ‘𝑣)))) ∧ 𝑦 ∈ 𝒫 (𝑀 ↑m ω)) ↔
(∃𝑣 ∈ (𝑆‘𝑁)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st
‘𝑣)) ∧ 𝑦 = ((𝑀 ↑m ω) ∖
((2nd ‘𝑢)
∩ (2nd ‘𝑣)))) ∧ 𝑦 ∈ 𝒫 (𝑀 ↑m
ω))) |
2 | | r19.41v 3275 |
. . . . . . 7
⊢
(∃𝑖 ∈
ω ((𝑥 =
∀𝑔𝑖(1st ‘𝑢) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑m ω) ∣
∀𝑧 ∈ 𝑀 ({〈𝑖, 𝑧〉} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)}) ∧ 𝑦 ∈ 𝒫 (𝑀 ↑m ω)) ↔
(∃𝑖 ∈ ω
(𝑥 =
∀𝑔𝑖(1st ‘𝑢) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑m ω) ∣
∀𝑧 ∈ 𝑀 ({〈𝑖, 𝑧〉} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)}) ∧ 𝑦 ∈ 𝒫 (𝑀 ↑m
ω))) |
3 | 1, 2 | orbi12i 911 |
. . . . . 6
⊢
((∃𝑣 ∈
(𝑆‘𝑁)((𝑥 = ((1st ‘𝑢)⊼𝑔(1st
‘𝑣)) ∧ 𝑦 = ((𝑀 ↑m ω) ∖
((2nd ‘𝑢)
∩ (2nd ‘𝑣)))) ∧ 𝑦 ∈ 𝒫 (𝑀 ↑m ω)) ∨
∃𝑖 ∈ ω
((𝑥 =
∀𝑔𝑖(1st ‘𝑢) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑m ω) ∣
∀𝑧 ∈ 𝑀 ({〈𝑖, 𝑧〉} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)}) ∧ 𝑦 ∈ 𝒫 (𝑀 ↑m ω))) ↔
((∃𝑣 ∈ (𝑆‘𝑁)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st
‘𝑣)) ∧ 𝑦 = ((𝑀 ↑m ω) ∖
((2nd ‘𝑢)
∩ (2nd ‘𝑣)))) ∧ 𝑦 ∈ 𝒫 (𝑀 ↑m ω)) ∨
(∃𝑖 ∈ ω
(𝑥 =
∀𝑔𝑖(1st ‘𝑢) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑m ω) ∣
∀𝑧 ∈ 𝑀 ({〈𝑖, 𝑧〉} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)}) ∧ 𝑦 ∈ 𝒫 (𝑀 ↑m
ω)))) |
4 | | ovex 7301 |
. . . . . . . . . . . 12
⊢ (𝑀 ↑m ω)
∈ V |
5 | | difelpw 5277 |
. . . . . . . . . . . 12
⊢ ((𝑀 ↑m ω)
∈ V → ((𝑀
↑m ω) ∖ ((2nd ‘𝑢) ∩ (2nd ‘𝑣))) ∈ 𝒫 (𝑀 ↑m
ω)) |
6 | 4, 5 | ax-mp 5 |
. . . . . . . . . . 11
⊢ ((𝑀 ↑m ω)
∖ ((2nd ‘𝑢) ∩ (2nd ‘𝑣))) ∈ 𝒫 (𝑀 ↑m
ω) |
7 | | eleq1 2827 |
. . . . . . . . . . 11
⊢ (𝑦 = ((𝑀 ↑m ω) ∖
((2nd ‘𝑢)
∩ (2nd ‘𝑣))) → (𝑦 ∈ 𝒫 (𝑀 ↑m ω) ↔ ((𝑀 ↑m ω)
∖ ((2nd ‘𝑢) ∩ (2nd ‘𝑣))) ∈ 𝒫 (𝑀 ↑m
ω))) |
8 | 6, 7 | mpbiri 257 |
. . . . . . . . . 10
⊢ (𝑦 = ((𝑀 ↑m ω) ∖
((2nd ‘𝑢)
∩ (2nd ‘𝑣))) → 𝑦 ∈ 𝒫 (𝑀 ↑m
ω)) |
9 | 8 | pm4.71i 559 |
. . . . . . . . 9
⊢ (𝑦 = ((𝑀 ↑m ω) ∖
((2nd ‘𝑢)
∩ (2nd ‘𝑣))) ↔ (𝑦 = ((𝑀 ↑m ω) ∖
((2nd ‘𝑢)
∩ (2nd ‘𝑣))) ∧ 𝑦 ∈ 𝒫 (𝑀 ↑m
ω))) |
10 | 9 | bianass 638 |
. . . . . . . 8
⊢ ((𝑥 = ((1st ‘𝑢)⊼𝑔(1st
‘𝑣)) ∧ 𝑦 = ((𝑀 ↑m ω) ∖
((2nd ‘𝑢)
∩ (2nd ‘𝑣)))) ↔ ((𝑥 = ((1st ‘𝑢)⊼𝑔(1st
‘𝑣)) ∧ 𝑦 = ((𝑀 ↑m ω) ∖
((2nd ‘𝑢)
∩ (2nd ‘𝑣)))) ∧ 𝑦 ∈ 𝒫 (𝑀 ↑m
ω))) |
11 | 10 | rexbii 3179 |
. . . . . . 7
⊢
(∃𝑣 ∈
(𝑆‘𝑁)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st
‘𝑣)) ∧ 𝑦 = ((𝑀 ↑m ω) ∖
((2nd ‘𝑢)
∩ (2nd ‘𝑣)))) ↔ ∃𝑣 ∈ (𝑆‘𝑁)((𝑥 = ((1st ‘𝑢)⊼𝑔(1st
‘𝑣)) ∧ 𝑦 = ((𝑀 ↑m ω) ∖
((2nd ‘𝑢)
∩ (2nd ‘𝑣)))) ∧ 𝑦 ∈ 𝒫 (𝑀 ↑m
ω))) |
12 | | rabelpw 5278 |
. . . . . . . . . . . 12
⊢ ((𝑀 ↑m ω)
∈ V → {𝑎 ∈
(𝑀 ↑m
ω) ∣ ∀𝑧
∈ 𝑀 ({〈𝑖, 𝑧〉} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)} ∈ 𝒫 (𝑀 ↑m
ω)) |
13 | 4, 12 | ax-mp 5 |
. . . . . . . . . . 11
⊢ {𝑎 ∈ (𝑀 ↑m ω) ∣
∀𝑧 ∈ 𝑀 ({〈𝑖, 𝑧〉} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)} ∈ 𝒫 (𝑀 ↑m
ω) |
14 | | eleq1 2827 |
. . . . . . . . . . 11
⊢ (𝑦 = {𝑎 ∈ (𝑀 ↑m ω) ∣
∀𝑧 ∈ 𝑀 ({〈𝑖, 𝑧〉} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)} → (𝑦 ∈ 𝒫 (𝑀 ↑m ω) ↔ {𝑎 ∈ (𝑀 ↑m ω) ∣
∀𝑧 ∈ 𝑀 ({〈𝑖, 𝑧〉} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)} ∈ 𝒫 (𝑀 ↑m
ω))) |
15 | 13, 14 | mpbiri 257 |
. . . . . . . . . 10
⊢ (𝑦 = {𝑎 ∈ (𝑀 ↑m ω) ∣
∀𝑧 ∈ 𝑀 ({〈𝑖, 𝑧〉} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)} → 𝑦 ∈ 𝒫 (𝑀 ↑m
ω)) |
16 | 15 | pm4.71i 559 |
. . . . . . . . 9
⊢ (𝑦 = {𝑎 ∈ (𝑀 ↑m ω) ∣
∀𝑧 ∈ 𝑀 ({〈𝑖, 𝑧〉} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)} ↔ (𝑦 = {𝑎 ∈ (𝑀 ↑m ω) ∣
∀𝑧 ∈ 𝑀 ({〈𝑖, 𝑧〉} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)} ∧ 𝑦 ∈ 𝒫 (𝑀 ↑m
ω))) |
17 | 16 | bianass 638 |
. . . . . . . 8
⊢ ((𝑥 =
∀𝑔𝑖(1st ‘𝑢) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑m ω) ∣
∀𝑧 ∈ 𝑀 ({〈𝑖, 𝑧〉} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)}) ↔ ((𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑m ω) ∣
∀𝑧 ∈ 𝑀 ({〈𝑖, 𝑧〉} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)}) ∧ 𝑦 ∈ 𝒫 (𝑀 ↑m
ω))) |
18 | 17 | rexbii 3179 |
. . . . . . 7
⊢
(∃𝑖 ∈
ω (𝑥 =
∀𝑔𝑖(1st ‘𝑢) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑m ω) ∣
∀𝑧 ∈ 𝑀 ({〈𝑖, 𝑧〉} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)}) ↔ ∃𝑖 ∈ ω ((𝑥 =
∀𝑔𝑖(1st ‘𝑢) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑m ω) ∣
∀𝑧 ∈ 𝑀 ({〈𝑖, 𝑧〉} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)}) ∧ 𝑦 ∈ 𝒫 (𝑀 ↑m
ω))) |
19 | 11, 18 | orbi12i 911 |
. . . . . 6
⊢
((∃𝑣 ∈
(𝑆‘𝑁)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st
‘𝑣)) ∧ 𝑦 = ((𝑀 ↑m ω) ∖
((2nd ‘𝑢)
∩ (2nd ‘𝑣)))) ∨ ∃𝑖 ∈ ω (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑m ω) ∣
∀𝑧 ∈ 𝑀 ({〈𝑖, 𝑧〉} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)})) ↔ (∃𝑣 ∈ (𝑆‘𝑁)((𝑥 = ((1st ‘𝑢)⊼𝑔(1st
‘𝑣)) ∧ 𝑦 = ((𝑀 ↑m ω) ∖
((2nd ‘𝑢)
∩ (2nd ‘𝑣)))) ∧ 𝑦 ∈ 𝒫 (𝑀 ↑m ω)) ∨
∃𝑖 ∈ ω
((𝑥 =
∀𝑔𝑖(1st ‘𝑢) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑m ω) ∣
∀𝑧 ∈ 𝑀 ({〈𝑖, 𝑧〉} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)}) ∧ 𝑦 ∈ 𝒫 (𝑀 ↑m
ω)))) |
20 | | andir 1005 |
. . . . . 6
⊢
(((∃𝑣 ∈
(𝑆‘𝑁)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st
‘𝑣)) ∧ 𝑦 = ((𝑀 ↑m ω) ∖
((2nd ‘𝑢)
∩ (2nd ‘𝑣)))) ∨ ∃𝑖 ∈ ω (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑m ω) ∣
∀𝑧 ∈ 𝑀 ({〈𝑖, 𝑧〉} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)})) ∧ 𝑦 ∈ 𝒫 (𝑀 ↑m ω)) ↔
((∃𝑣 ∈ (𝑆‘𝑁)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st
‘𝑣)) ∧ 𝑦 = ((𝑀 ↑m ω) ∖
((2nd ‘𝑢)
∩ (2nd ‘𝑣)))) ∧ 𝑦 ∈ 𝒫 (𝑀 ↑m ω)) ∨
(∃𝑖 ∈ ω
(𝑥 =
∀𝑔𝑖(1st ‘𝑢) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑m ω) ∣
∀𝑧 ∈ 𝑀 ({〈𝑖, 𝑧〉} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)}) ∧ 𝑦 ∈ 𝒫 (𝑀 ↑m
ω)))) |
21 | 3, 19, 20 | 3bitr4i 302 |
. . . . 5
⊢
((∃𝑣 ∈
(𝑆‘𝑁)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st
‘𝑣)) ∧ 𝑦 = ((𝑀 ↑m ω) ∖
((2nd ‘𝑢)
∩ (2nd ‘𝑣)))) ∨ ∃𝑖 ∈ ω (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑m ω) ∣
∀𝑧 ∈ 𝑀 ({〈𝑖, 𝑧〉} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)})) ↔ ((∃𝑣 ∈ (𝑆‘𝑁)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st
‘𝑣)) ∧ 𝑦 = ((𝑀 ↑m ω) ∖
((2nd ‘𝑢)
∩ (2nd ‘𝑣)))) ∨ ∃𝑖 ∈ ω (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑m ω) ∣
∀𝑧 ∈ 𝑀 ({〈𝑖, 𝑧〉} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)})) ∧ 𝑦 ∈ 𝒫 (𝑀 ↑m
ω))) |
22 | 21 | rexbii 3179 |
. . . 4
⊢
(∃𝑢 ∈
(𝑆‘𝑁)(∃𝑣 ∈ (𝑆‘𝑁)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st
‘𝑣)) ∧ 𝑦 = ((𝑀 ↑m ω) ∖
((2nd ‘𝑢)
∩ (2nd ‘𝑣)))) ∨ ∃𝑖 ∈ ω (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑m ω) ∣
∀𝑧 ∈ 𝑀 ({〈𝑖, 𝑧〉} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)})) ↔ ∃𝑢 ∈ (𝑆‘𝑁)((∃𝑣 ∈ (𝑆‘𝑁)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st
‘𝑣)) ∧ 𝑦 = ((𝑀 ↑m ω) ∖
((2nd ‘𝑢)
∩ (2nd ‘𝑣)))) ∨ ∃𝑖 ∈ ω (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑m ω) ∣
∀𝑧 ∈ 𝑀 ({〈𝑖, 𝑧〉} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)})) ∧ 𝑦 ∈ 𝒫 (𝑀 ↑m
ω))) |
23 | | r19.41v 3275 |
. . . 4
⊢
(∃𝑢 ∈
(𝑆‘𝑁)((∃𝑣 ∈ (𝑆‘𝑁)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st
‘𝑣)) ∧ 𝑦 = ((𝑀 ↑m ω) ∖
((2nd ‘𝑢)
∩ (2nd ‘𝑣)))) ∨ ∃𝑖 ∈ ω (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑m ω) ∣
∀𝑧 ∈ 𝑀 ({〈𝑖, 𝑧〉} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)})) ∧ 𝑦 ∈ 𝒫 (𝑀 ↑m ω)) ↔
(∃𝑢 ∈ (𝑆‘𝑁)(∃𝑣 ∈ (𝑆‘𝑁)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st
‘𝑣)) ∧ 𝑦 = ((𝑀 ↑m ω) ∖
((2nd ‘𝑢)
∩ (2nd ‘𝑣)))) ∨ ∃𝑖 ∈ ω (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑m ω) ∣
∀𝑧 ∈ 𝑀 ({〈𝑖, 𝑧〉} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)})) ∧ 𝑦 ∈ 𝒫 (𝑀 ↑m
ω))) |
24 | 22, 23 | bitri 274 |
. . 3
⊢
(∃𝑢 ∈
(𝑆‘𝑁)(∃𝑣 ∈ (𝑆‘𝑁)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st
‘𝑣)) ∧ 𝑦 = ((𝑀 ↑m ω) ∖
((2nd ‘𝑢)
∩ (2nd ‘𝑣)))) ∨ ∃𝑖 ∈ ω (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑m ω) ∣
∀𝑧 ∈ 𝑀 ({〈𝑖, 𝑧〉} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)})) ↔ (∃𝑢 ∈ (𝑆‘𝑁)(∃𝑣 ∈ (𝑆‘𝑁)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st
‘𝑣)) ∧ 𝑦 = ((𝑀 ↑m ω) ∖
((2nd ‘𝑢)
∩ (2nd ‘𝑣)))) ∨ ∃𝑖 ∈ ω (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑m ω) ∣
∀𝑧 ∈ 𝑀 ({〈𝑖, 𝑧〉} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)})) ∧ 𝑦 ∈ 𝒫 (𝑀 ↑m
ω))) |
25 | 24 | opabbii 5145 |
. 2
⊢
{〈𝑥, 𝑦〉 ∣ ∃𝑢 ∈ (𝑆‘𝑁)(∃𝑣 ∈ (𝑆‘𝑁)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st
‘𝑣)) ∧ 𝑦 = ((𝑀 ↑m ω) ∖
((2nd ‘𝑢)
∩ (2nd ‘𝑣)))) ∨ ∃𝑖 ∈ ω (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑m ω) ∣
∀𝑧 ∈ 𝑀 ({〈𝑖, 𝑧〉} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)}))} = {〈𝑥, 𝑦〉 ∣ (∃𝑢 ∈ (𝑆‘𝑁)(∃𝑣 ∈ (𝑆‘𝑁)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st
‘𝑣)) ∧ 𝑦 = ((𝑀 ↑m ω) ∖
((2nd ‘𝑢)
∩ (2nd ‘𝑣)))) ∨ ∃𝑖 ∈ ω (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑m ω) ∣
∀𝑧 ∈ 𝑀 ({〈𝑖, 𝑧〉} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)})) ∧ 𝑦 ∈ 𝒫 (𝑀 ↑m
ω))} |
26 | | satfv0.s |
. . 3
⊢ 𝑆 = (𝑀 Sat 𝐸) |
27 | 26 | satfvsuclem1 33300 |
. 2
⊢ ((𝑀 ∈ 𝑉 ∧ 𝐸 ∈ 𝑊 ∧ 𝑁 ∈ ω) → {〈𝑥, 𝑦〉 ∣ (∃𝑢 ∈ (𝑆‘𝑁)(∃𝑣 ∈ (𝑆‘𝑁)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st
‘𝑣)) ∧ 𝑦 = ((𝑀 ↑m ω) ∖
((2nd ‘𝑢)
∩ (2nd ‘𝑣)))) ∨ ∃𝑖 ∈ ω (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑m ω) ∣
∀𝑧 ∈ 𝑀 ({〈𝑖, 𝑧〉} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)})) ∧ 𝑦 ∈ 𝒫 (𝑀 ↑m ω))} ∈
V) |
28 | 25, 27 | eqeltrid 2844 |
1
⊢ ((𝑀 ∈ 𝑉 ∧ 𝐸 ∈ 𝑊 ∧ 𝑁 ∈ ω) → {〈𝑥, 𝑦〉 ∣ ∃𝑢 ∈ (𝑆‘𝑁)(∃𝑣 ∈ (𝑆‘𝑁)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st
‘𝑣)) ∧ 𝑦 = ((𝑀 ↑m ω) ∖
((2nd ‘𝑢)
∩ (2nd ‘𝑣)))) ∨ ∃𝑖 ∈ ω (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑m ω) ∣
∀𝑧 ∈ 𝑀 ({〈𝑖, 𝑧〉} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)}))} ∈ V) |