Step | Hyp | Ref
| Expression |
1 | | ssid 2964 |
. 2
⊢ 𝐴 ⊆ 𝐴 |
2 | | tfrlem1.1 |
. . 3
⊢ (𝜑 → 𝐴 ∈ On) |
3 | | sseq1 2966 |
. . . . . 6
⊢ (𝑦 = 𝐴 → (𝑦 ⊆ 𝐴 ↔ 𝐴 ⊆ 𝐴)) |
4 | | raleq 2505 |
. . . . . 6
⊢ (𝑦 = 𝐴 → (∀𝑥 ∈ 𝑦 (𝐹‘𝑥) = (𝐺‘𝑥) ↔ ∀𝑥 ∈ 𝐴 (𝐹‘𝑥) = (𝐺‘𝑥))) |
5 | 3, 4 | imbi12d 223 |
. . . . 5
⊢ (𝑦 = 𝐴 → ((𝑦 ⊆ 𝐴 → ∀𝑥 ∈ 𝑦 (𝐹‘𝑥) = (𝐺‘𝑥)) ↔ (𝐴 ⊆ 𝐴 → ∀𝑥 ∈ 𝐴 (𝐹‘𝑥) = (𝐺‘𝑥)))) |
6 | 5 | imbi2d 219 |
. . . 4
⊢ (𝑦 = 𝐴 → ((𝜑 → (𝑦 ⊆ 𝐴 → ∀𝑥 ∈ 𝑦 (𝐹‘𝑥) = (𝐺‘𝑥))) ↔ (𝜑 → (𝐴 ⊆ 𝐴 → ∀𝑥 ∈ 𝐴 (𝐹‘𝑥) = (𝐺‘𝑥))))) |
7 | | sseq1 2966 |
. . . . . . 7
⊢ (𝑦 = 𝑧 → (𝑦 ⊆ 𝐴 ↔ 𝑧 ⊆ 𝐴)) |
8 | | raleq 2505 |
. . . . . . 7
⊢ (𝑦 = 𝑧 → (∀𝑥 ∈ 𝑦 (𝐹‘𝑥) = (𝐺‘𝑥) ↔ ∀𝑥 ∈ 𝑧 (𝐹‘𝑥) = (𝐺‘𝑥))) |
9 | 7, 8 | imbi12d 223 |
. . . . . 6
⊢ (𝑦 = 𝑧 → ((𝑦 ⊆ 𝐴 → ∀𝑥 ∈ 𝑦 (𝐹‘𝑥) = (𝐺‘𝑥)) ↔ (𝑧 ⊆ 𝐴 → ∀𝑥 ∈ 𝑧 (𝐹‘𝑥) = (𝐺‘𝑥)))) |
10 | 9 | imbi2d 219 |
. . . . 5
⊢ (𝑦 = 𝑧 → ((𝜑 → (𝑦 ⊆ 𝐴 → ∀𝑥 ∈ 𝑦 (𝐹‘𝑥) = (𝐺‘𝑥))) ↔ (𝜑 → (𝑧 ⊆ 𝐴 → ∀𝑥 ∈ 𝑧 (𝐹‘𝑥) = (𝐺‘𝑥))))) |
11 | | r19.21v 2396 |
. . . . . 6
⊢
(∀𝑧 ∈
𝑦 (𝜑 → (𝑧 ⊆ 𝐴 → ∀𝑥 ∈ 𝑧 (𝐹‘𝑥) = (𝐺‘𝑥))) ↔ (𝜑 → ∀𝑧 ∈ 𝑦 (𝑧 ⊆ 𝐴 → ∀𝑥 ∈ 𝑧 (𝐹‘𝑥) = (𝐺‘𝑥)))) |
12 | | simplll 485 |
. . . . . . . . . . . . . . . . . . 19
⊢ ((((𝜑 ∧ 𝑦 ∈ On) ∧ ∀𝑧 ∈ 𝑦 (𝑧 ⊆ 𝐴 → ∀𝑥 ∈ 𝑧 (𝐹‘𝑥) = (𝐺‘𝑥))) ∧ 𝑦 ⊆ 𝐴) → 𝜑) |
13 | 12 | adantr 261 |
. . . . . . . . . . . . . . . . . 18
⊢
(((((𝜑 ∧ 𝑦 ∈ On) ∧ ∀𝑧 ∈ 𝑦 (𝑧 ⊆ 𝐴 → ∀𝑥 ∈ 𝑧 (𝐹‘𝑥) = (𝐺‘𝑥))) ∧ 𝑦 ⊆ 𝐴) ∧ 𝑤 ∈ 𝑦) → 𝜑) |
14 | | tfrlem1.2 |
. . . . . . . . . . . . . . . . . 18
⊢ (𝜑 → (Fun 𝐹 ∧ 𝐴 ⊆ dom 𝐹)) |
15 | 13, 14 | syl 14 |
. . . . . . . . . . . . . . . . 17
⊢
(((((𝜑 ∧ 𝑦 ∈ On) ∧ ∀𝑧 ∈ 𝑦 (𝑧 ⊆ 𝐴 → ∀𝑥 ∈ 𝑧 (𝐹‘𝑥) = (𝐺‘𝑥))) ∧ 𝑦 ⊆ 𝐴) ∧ 𝑤 ∈ 𝑦) → (Fun 𝐹 ∧ 𝐴 ⊆ dom 𝐹)) |
16 | 15 | simpld 105 |
. . . . . . . . . . . . . . . 16
⊢
(((((𝜑 ∧ 𝑦 ∈ On) ∧ ∀𝑧 ∈ 𝑦 (𝑧 ⊆ 𝐴 → ∀𝑥 ∈ 𝑧 (𝐹‘𝑥) = (𝐺‘𝑥))) ∧ 𝑦 ⊆ 𝐴) ∧ 𝑤 ∈ 𝑦) → Fun 𝐹) |
17 | | funfn 4931 |
. . . . . . . . . . . . . . . 16
⊢ (Fun
𝐹 ↔ 𝐹 Fn dom 𝐹) |
18 | 16, 17 | sylib 127 |
. . . . . . . . . . . . . . 15
⊢
(((((𝜑 ∧ 𝑦 ∈ On) ∧ ∀𝑧 ∈ 𝑦 (𝑧 ⊆ 𝐴 → ∀𝑥 ∈ 𝑧 (𝐹‘𝑥) = (𝐺‘𝑥))) ∧ 𝑦 ⊆ 𝐴) ∧ 𝑤 ∈ 𝑦) → 𝐹 Fn dom 𝐹) |
19 | | simpllr 486 |
. . . . . . . . . . . . . . . . . . 19
⊢ ((((𝜑 ∧ 𝑦 ∈ On) ∧ ∀𝑧 ∈ 𝑦 (𝑧 ⊆ 𝐴 → ∀𝑥 ∈ 𝑧 (𝐹‘𝑥) = (𝐺‘𝑥))) ∧ 𝑦 ⊆ 𝐴) → 𝑦 ∈ On) |
20 | | eloni 4112 |
. . . . . . . . . . . . . . . . . . 19
⊢ (𝑦 ∈ On → Ord 𝑦) |
21 | 19, 20 | syl 14 |
. . . . . . . . . . . . . . . . . 18
⊢ ((((𝜑 ∧ 𝑦 ∈ On) ∧ ∀𝑧 ∈ 𝑦 (𝑧 ⊆ 𝐴 → ∀𝑥 ∈ 𝑧 (𝐹‘𝑥) = (𝐺‘𝑥))) ∧ 𝑦 ⊆ 𝐴) → Ord 𝑦) |
22 | | ordelss 4116 |
. . . . . . . . . . . . . . . . . 18
⊢ ((Ord
𝑦 ∧ 𝑤 ∈ 𝑦) → 𝑤 ⊆ 𝑦) |
23 | 21, 22 | sylan 267 |
. . . . . . . . . . . . . . . . 17
⊢
(((((𝜑 ∧ 𝑦 ∈ On) ∧ ∀𝑧 ∈ 𝑦 (𝑧 ⊆ 𝐴 → ∀𝑥 ∈ 𝑧 (𝐹‘𝑥) = (𝐺‘𝑥))) ∧ 𝑦 ⊆ 𝐴) ∧ 𝑤 ∈ 𝑦) → 𝑤 ⊆ 𝑦) |
24 | | simplr 482 |
. . . . . . . . . . . . . . . . 17
⊢
(((((𝜑 ∧ 𝑦 ∈ On) ∧ ∀𝑧 ∈ 𝑦 (𝑧 ⊆ 𝐴 → ∀𝑥 ∈ 𝑧 (𝐹‘𝑥) = (𝐺‘𝑥))) ∧ 𝑦 ⊆ 𝐴) ∧ 𝑤 ∈ 𝑦) → 𝑦 ⊆ 𝐴) |
25 | 23, 24 | sstrd 2955 |
. . . . . . . . . . . . . . . 16
⊢
(((((𝜑 ∧ 𝑦 ∈ On) ∧ ∀𝑧 ∈ 𝑦 (𝑧 ⊆ 𝐴 → ∀𝑥 ∈ 𝑧 (𝐹‘𝑥) = (𝐺‘𝑥))) ∧ 𝑦 ⊆ 𝐴) ∧ 𝑤 ∈ 𝑦) → 𝑤 ⊆ 𝐴) |
26 | 15 | simprd 107 |
. . . . . . . . . . . . . . . 16
⊢
(((((𝜑 ∧ 𝑦 ∈ On) ∧ ∀𝑧 ∈ 𝑦 (𝑧 ⊆ 𝐴 → ∀𝑥 ∈ 𝑧 (𝐹‘𝑥) = (𝐺‘𝑥))) ∧ 𝑦 ⊆ 𝐴) ∧ 𝑤 ∈ 𝑦) → 𝐴 ⊆ dom 𝐹) |
27 | 25, 26 | sstrd 2955 |
. . . . . . . . . . . . . . 15
⊢
(((((𝜑 ∧ 𝑦 ∈ On) ∧ ∀𝑧 ∈ 𝑦 (𝑧 ⊆ 𝐴 → ∀𝑥 ∈ 𝑧 (𝐹‘𝑥) = (𝐺‘𝑥))) ∧ 𝑦 ⊆ 𝐴) ∧ 𝑤 ∈ 𝑦) → 𝑤 ⊆ dom 𝐹) |
28 | | fnssres 5012 |
. . . . . . . . . . . . . . 15
⊢ ((𝐹 Fn dom 𝐹 ∧ 𝑤 ⊆ dom 𝐹) → (𝐹 ↾ 𝑤) Fn 𝑤) |
29 | 18, 27, 28 | syl2anc 391 |
. . . . . . . . . . . . . 14
⊢
(((((𝜑 ∧ 𝑦 ∈ On) ∧ ∀𝑧 ∈ 𝑦 (𝑧 ⊆ 𝐴 → ∀𝑥 ∈ 𝑧 (𝐹‘𝑥) = (𝐺‘𝑥))) ∧ 𝑦 ⊆ 𝐴) ∧ 𝑤 ∈ 𝑦) → (𝐹 ↾ 𝑤) Fn 𝑤) |
30 | | tfrlem1.3 |
. . . . . . . . . . . . . . . . . 18
⊢ (𝜑 → (Fun 𝐺 ∧ 𝐴 ⊆ dom 𝐺)) |
31 | 13, 30 | syl 14 |
. . . . . . . . . . . . . . . . 17
⊢
(((((𝜑 ∧ 𝑦 ∈ On) ∧ ∀𝑧 ∈ 𝑦 (𝑧 ⊆ 𝐴 → ∀𝑥 ∈ 𝑧 (𝐹‘𝑥) = (𝐺‘𝑥))) ∧ 𝑦 ⊆ 𝐴) ∧ 𝑤 ∈ 𝑦) → (Fun 𝐺 ∧ 𝐴 ⊆ dom 𝐺)) |
32 | 31 | simpld 105 |
. . . . . . . . . . . . . . . 16
⊢
(((((𝜑 ∧ 𝑦 ∈ On) ∧ ∀𝑧 ∈ 𝑦 (𝑧 ⊆ 𝐴 → ∀𝑥 ∈ 𝑧 (𝐹‘𝑥) = (𝐺‘𝑥))) ∧ 𝑦 ⊆ 𝐴) ∧ 𝑤 ∈ 𝑦) → Fun 𝐺) |
33 | | funfn 4931 |
. . . . . . . . . . . . . . . 16
⊢ (Fun
𝐺 ↔ 𝐺 Fn dom 𝐺) |
34 | 32, 33 | sylib 127 |
. . . . . . . . . . . . . . 15
⊢
(((((𝜑 ∧ 𝑦 ∈ On) ∧ ∀𝑧 ∈ 𝑦 (𝑧 ⊆ 𝐴 → ∀𝑥 ∈ 𝑧 (𝐹‘𝑥) = (𝐺‘𝑥))) ∧ 𝑦 ⊆ 𝐴) ∧ 𝑤 ∈ 𝑦) → 𝐺 Fn dom 𝐺) |
35 | 31 | simprd 107 |
. . . . . . . . . . . . . . . 16
⊢
(((((𝜑 ∧ 𝑦 ∈ On) ∧ ∀𝑧 ∈ 𝑦 (𝑧 ⊆ 𝐴 → ∀𝑥 ∈ 𝑧 (𝐹‘𝑥) = (𝐺‘𝑥))) ∧ 𝑦 ⊆ 𝐴) ∧ 𝑤 ∈ 𝑦) → 𝐴 ⊆ dom 𝐺) |
36 | 25, 35 | sstrd 2955 |
. . . . . . . . . . . . . . 15
⊢
(((((𝜑 ∧ 𝑦 ∈ On) ∧ ∀𝑧 ∈ 𝑦 (𝑧 ⊆ 𝐴 → ∀𝑥 ∈ 𝑧 (𝐹‘𝑥) = (𝐺‘𝑥))) ∧ 𝑦 ⊆ 𝐴) ∧ 𝑤 ∈ 𝑦) → 𝑤 ⊆ dom 𝐺) |
37 | | fnssres 5012 |
. . . . . . . . . . . . . . 15
⊢ ((𝐺 Fn dom 𝐺 ∧ 𝑤 ⊆ dom 𝐺) → (𝐺 ↾ 𝑤) Fn 𝑤) |
38 | 34, 36, 37 | syl2anc 391 |
. . . . . . . . . . . . . 14
⊢
(((((𝜑 ∧ 𝑦 ∈ On) ∧ ∀𝑧 ∈ 𝑦 (𝑧 ⊆ 𝐴 → ∀𝑥 ∈ 𝑧 (𝐹‘𝑥) = (𝐺‘𝑥))) ∧ 𝑦 ⊆ 𝐴) ∧ 𝑤 ∈ 𝑦) → (𝐺 ↾ 𝑤) Fn 𝑤) |
39 | | simpr 103 |
. . . . . . . . . . . . . . . 16
⊢
((((((𝜑 ∧ 𝑦 ∈ On) ∧ ∀𝑧 ∈ 𝑦 (𝑧 ⊆ 𝐴 → ∀𝑥 ∈ 𝑧 (𝐹‘𝑥) = (𝐺‘𝑥))) ∧ 𝑦 ⊆ 𝐴) ∧ 𝑤 ∈ 𝑦) ∧ 𝑢 ∈ 𝑤) → 𝑢 ∈ 𝑤) |
40 | | simplr 482 |
. . . . . . . . . . . . . . . . 17
⊢
((((((𝜑 ∧ 𝑦 ∈ On) ∧ ∀𝑧 ∈ 𝑦 (𝑧 ⊆ 𝐴 → ∀𝑥 ∈ 𝑧 (𝐹‘𝑥) = (𝐺‘𝑥))) ∧ 𝑦 ⊆ 𝐴) ∧ 𝑤 ∈ 𝑦) ∧ 𝑢 ∈ 𝑤) → 𝑤 ∈ 𝑦) |
41 | | simplr 482 |
. . . . . . . . . . . . . . . . . 18
⊢ ((((𝜑 ∧ 𝑦 ∈ On) ∧ ∀𝑧 ∈ 𝑦 (𝑧 ⊆ 𝐴 → ∀𝑥 ∈ 𝑧 (𝐹‘𝑥) = (𝐺‘𝑥))) ∧ 𝑦 ⊆ 𝐴) → ∀𝑧 ∈ 𝑦 (𝑧 ⊆ 𝐴 → ∀𝑥 ∈ 𝑧 (𝐹‘𝑥) = (𝐺‘𝑥))) |
42 | 41 | ad2antrr 457 |
. . . . . . . . . . . . . . . . 17
⊢
((((((𝜑 ∧ 𝑦 ∈ On) ∧ ∀𝑧 ∈ 𝑦 (𝑧 ⊆ 𝐴 → ∀𝑥 ∈ 𝑧 (𝐹‘𝑥) = (𝐺‘𝑥))) ∧ 𝑦 ⊆ 𝐴) ∧ 𝑤 ∈ 𝑦) ∧ 𝑢 ∈ 𝑤) → ∀𝑧 ∈ 𝑦 (𝑧 ⊆ 𝐴 → ∀𝑥 ∈ 𝑧 (𝐹‘𝑥) = (𝐺‘𝑥))) |
43 | 25 | adantr 261 |
. . . . . . . . . . . . . . . . 17
⊢
((((((𝜑 ∧ 𝑦 ∈ On) ∧ ∀𝑧 ∈ 𝑦 (𝑧 ⊆ 𝐴 → ∀𝑥 ∈ 𝑧 (𝐹‘𝑥) = (𝐺‘𝑥))) ∧ 𝑦 ⊆ 𝐴) ∧ 𝑤 ∈ 𝑦) ∧ 𝑢 ∈ 𝑤) → 𝑤 ⊆ 𝐴) |
44 | | sseq1 2966 |
. . . . . . . . . . . . . . . . . . 19
⊢ (𝑧 = 𝑤 → (𝑧 ⊆ 𝐴 ↔ 𝑤 ⊆ 𝐴)) |
45 | | raleq 2505 |
. . . . . . . . . . . . . . . . . . 19
⊢ (𝑧 = 𝑤 → (∀𝑥 ∈ 𝑧 (𝐹‘𝑥) = (𝐺‘𝑥) ↔ ∀𝑥 ∈ 𝑤 (𝐹‘𝑥) = (𝐺‘𝑥))) |
46 | 44, 45 | imbi12d 223 |
. . . . . . . . . . . . . . . . . 18
⊢ (𝑧 = 𝑤 → ((𝑧 ⊆ 𝐴 → ∀𝑥 ∈ 𝑧 (𝐹‘𝑥) = (𝐺‘𝑥)) ↔ (𝑤 ⊆ 𝐴 → ∀𝑥 ∈ 𝑤 (𝐹‘𝑥) = (𝐺‘𝑥)))) |
47 | 46 | rspcv 2652 |
. . . . . . . . . . . . . . . . 17
⊢ (𝑤 ∈ 𝑦 → (∀𝑧 ∈ 𝑦 (𝑧 ⊆ 𝐴 → ∀𝑥 ∈ 𝑧 (𝐹‘𝑥) = (𝐺‘𝑥)) → (𝑤 ⊆ 𝐴 → ∀𝑥 ∈ 𝑤 (𝐹‘𝑥) = (𝐺‘𝑥)))) |
48 | 40, 42, 43, 47 | syl3c 57 |
. . . . . . . . . . . . . . . 16
⊢
((((((𝜑 ∧ 𝑦 ∈ On) ∧ ∀𝑧 ∈ 𝑦 (𝑧 ⊆ 𝐴 → ∀𝑥 ∈ 𝑧 (𝐹‘𝑥) = (𝐺‘𝑥))) ∧ 𝑦 ⊆ 𝐴) ∧ 𝑤 ∈ 𝑦) ∧ 𝑢 ∈ 𝑤) → ∀𝑥 ∈ 𝑤 (𝐹‘𝑥) = (𝐺‘𝑥)) |
49 | | fveq2 5178 |
. . . . . . . . . . . . . . . . . 18
⊢ (𝑥 = 𝑢 → (𝐹‘𝑥) = (𝐹‘𝑢)) |
50 | | fveq2 5178 |
. . . . . . . . . . . . . . . . . 18
⊢ (𝑥 = 𝑢 → (𝐺‘𝑥) = (𝐺‘𝑢)) |
51 | 49, 50 | eqeq12d 2054 |
. . . . . . . . . . . . . . . . 17
⊢ (𝑥 = 𝑢 → ((𝐹‘𝑥) = (𝐺‘𝑥) ↔ (𝐹‘𝑢) = (𝐺‘𝑢))) |
52 | 51 | rspcv 2652 |
. . . . . . . . . . . . . . . 16
⊢ (𝑢 ∈ 𝑤 → (∀𝑥 ∈ 𝑤 (𝐹‘𝑥) = (𝐺‘𝑥) → (𝐹‘𝑢) = (𝐺‘𝑢))) |
53 | 39, 48, 52 | sylc 56 |
. . . . . . . . . . . . . . 15
⊢
((((((𝜑 ∧ 𝑦 ∈ On) ∧ ∀𝑧 ∈ 𝑦 (𝑧 ⊆ 𝐴 → ∀𝑥 ∈ 𝑧 (𝐹‘𝑥) = (𝐺‘𝑥))) ∧ 𝑦 ⊆ 𝐴) ∧ 𝑤 ∈ 𝑦) ∧ 𝑢 ∈ 𝑤) → (𝐹‘𝑢) = (𝐺‘𝑢)) |
54 | | fvres 5198 |
. . . . . . . . . . . . . . . 16
⊢ (𝑢 ∈ 𝑤 → ((𝐹 ↾ 𝑤)‘𝑢) = (𝐹‘𝑢)) |
55 | 54 | adantl 262 |
. . . . . . . . . . . . . . 15
⊢
((((((𝜑 ∧ 𝑦 ∈ On) ∧ ∀𝑧 ∈ 𝑦 (𝑧 ⊆ 𝐴 → ∀𝑥 ∈ 𝑧 (𝐹‘𝑥) = (𝐺‘𝑥))) ∧ 𝑦 ⊆ 𝐴) ∧ 𝑤 ∈ 𝑦) ∧ 𝑢 ∈ 𝑤) → ((𝐹 ↾ 𝑤)‘𝑢) = (𝐹‘𝑢)) |
56 | | fvres 5198 |
. . . . . . . . . . . . . . . 16
⊢ (𝑢 ∈ 𝑤 → ((𝐺 ↾ 𝑤)‘𝑢) = (𝐺‘𝑢)) |
57 | 56 | adantl 262 |
. . . . . . . . . . . . . . 15
⊢
((((((𝜑 ∧ 𝑦 ∈ On) ∧ ∀𝑧 ∈ 𝑦 (𝑧 ⊆ 𝐴 → ∀𝑥 ∈ 𝑧 (𝐹‘𝑥) = (𝐺‘𝑥))) ∧ 𝑦 ⊆ 𝐴) ∧ 𝑤 ∈ 𝑦) ∧ 𝑢 ∈ 𝑤) → ((𝐺 ↾ 𝑤)‘𝑢) = (𝐺‘𝑢)) |
58 | 53, 55, 57 | 3eqtr4d 2082 |
. . . . . . . . . . . . . 14
⊢
((((((𝜑 ∧ 𝑦 ∈ On) ∧ ∀𝑧 ∈ 𝑦 (𝑧 ⊆ 𝐴 → ∀𝑥 ∈ 𝑧 (𝐹‘𝑥) = (𝐺‘𝑥))) ∧ 𝑦 ⊆ 𝐴) ∧ 𝑤 ∈ 𝑦) ∧ 𝑢 ∈ 𝑤) → ((𝐹 ↾ 𝑤)‘𝑢) = ((𝐺 ↾ 𝑤)‘𝑢)) |
59 | 29, 38, 58 | eqfnfvd 5268 |
. . . . . . . . . . . . 13
⊢
(((((𝜑 ∧ 𝑦 ∈ On) ∧ ∀𝑧 ∈ 𝑦 (𝑧 ⊆ 𝐴 → ∀𝑥 ∈ 𝑧 (𝐹‘𝑥) = (𝐺‘𝑥))) ∧ 𝑦 ⊆ 𝐴) ∧ 𝑤 ∈ 𝑦) → (𝐹 ↾ 𝑤) = (𝐺 ↾ 𝑤)) |
60 | 59 | fveq2d 5182 |
. . . . . . . . . . . 12
⊢
(((((𝜑 ∧ 𝑦 ∈ On) ∧ ∀𝑧 ∈ 𝑦 (𝑧 ⊆ 𝐴 → ∀𝑥 ∈ 𝑧 (𝐹‘𝑥) = (𝐺‘𝑥))) ∧ 𝑦 ⊆ 𝐴) ∧ 𝑤 ∈ 𝑦) → (𝐵‘(𝐹 ↾ 𝑤)) = (𝐵‘(𝐺 ↾ 𝑤))) |
61 | | simpr 103 |
. . . . . . . . . . . . . 14
⊢ ((((𝜑 ∧ 𝑦 ∈ On) ∧ ∀𝑧 ∈ 𝑦 (𝑧 ⊆ 𝐴 → ∀𝑥 ∈ 𝑧 (𝐹‘𝑥) = (𝐺‘𝑥))) ∧ 𝑦 ⊆ 𝐴) → 𝑦 ⊆ 𝐴) |
62 | 61 | sselda 2945 |
. . . . . . . . . . . . 13
⊢
(((((𝜑 ∧ 𝑦 ∈ On) ∧ ∀𝑧 ∈ 𝑦 (𝑧 ⊆ 𝐴 → ∀𝑥 ∈ 𝑧 (𝐹‘𝑥) = (𝐺‘𝑥))) ∧ 𝑦 ⊆ 𝐴) ∧ 𝑤 ∈ 𝑦) → 𝑤 ∈ 𝐴) |
63 | | tfrlem1.4 |
. . . . . . . . . . . . . 14
⊢ (𝜑 → ∀𝑥 ∈ 𝐴 (𝐹‘𝑥) = (𝐵‘(𝐹 ↾ 𝑥))) |
64 | 13, 63 | syl 14 |
. . . . . . . . . . . . 13
⊢
(((((𝜑 ∧ 𝑦 ∈ On) ∧ ∀𝑧 ∈ 𝑦 (𝑧 ⊆ 𝐴 → ∀𝑥 ∈ 𝑧 (𝐹‘𝑥) = (𝐺‘𝑥))) ∧ 𝑦 ⊆ 𝐴) ∧ 𝑤 ∈ 𝑦) → ∀𝑥 ∈ 𝐴 (𝐹‘𝑥) = (𝐵‘(𝐹 ↾ 𝑥))) |
65 | | fveq2 5178 |
. . . . . . . . . . . . . . 15
⊢ (𝑥 = 𝑤 → (𝐹‘𝑥) = (𝐹‘𝑤)) |
66 | | reseq2 4607 |
. . . . . . . . . . . . . . . 16
⊢ (𝑥 = 𝑤 → (𝐹 ↾ 𝑥) = (𝐹 ↾ 𝑤)) |
67 | 66 | fveq2d 5182 |
. . . . . . . . . . . . . . 15
⊢ (𝑥 = 𝑤 → (𝐵‘(𝐹 ↾ 𝑥)) = (𝐵‘(𝐹 ↾ 𝑤))) |
68 | 65, 67 | eqeq12d 2054 |
. . . . . . . . . . . . . 14
⊢ (𝑥 = 𝑤 → ((𝐹‘𝑥) = (𝐵‘(𝐹 ↾ 𝑥)) ↔ (𝐹‘𝑤) = (𝐵‘(𝐹 ↾ 𝑤)))) |
69 | 68 | rspcva 2654 |
. . . . . . . . . . . . 13
⊢ ((𝑤 ∈ 𝐴 ∧ ∀𝑥 ∈ 𝐴 (𝐹‘𝑥) = (𝐵‘(𝐹 ↾ 𝑥))) → (𝐹‘𝑤) = (𝐵‘(𝐹 ↾ 𝑤))) |
70 | 62, 64, 69 | syl2anc 391 |
. . . . . . . . . . . 12
⊢
(((((𝜑 ∧ 𝑦 ∈ On) ∧ ∀𝑧 ∈ 𝑦 (𝑧 ⊆ 𝐴 → ∀𝑥 ∈ 𝑧 (𝐹‘𝑥) = (𝐺‘𝑥))) ∧ 𝑦 ⊆ 𝐴) ∧ 𝑤 ∈ 𝑦) → (𝐹‘𝑤) = (𝐵‘(𝐹 ↾ 𝑤))) |
71 | | tfrlem1.5 |
. . . . . . . . . . . . . 14
⊢ (𝜑 → ∀𝑥 ∈ 𝐴 (𝐺‘𝑥) = (𝐵‘(𝐺 ↾ 𝑥))) |
72 | 13, 71 | syl 14 |
. . . . . . . . . . . . 13
⊢
(((((𝜑 ∧ 𝑦 ∈ On) ∧ ∀𝑧 ∈ 𝑦 (𝑧 ⊆ 𝐴 → ∀𝑥 ∈ 𝑧 (𝐹‘𝑥) = (𝐺‘𝑥))) ∧ 𝑦 ⊆ 𝐴) ∧ 𝑤 ∈ 𝑦) → ∀𝑥 ∈ 𝐴 (𝐺‘𝑥) = (𝐵‘(𝐺 ↾ 𝑥))) |
73 | | fveq2 5178 |
. . . . . . . . . . . . . . 15
⊢ (𝑥 = 𝑤 → (𝐺‘𝑥) = (𝐺‘𝑤)) |
74 | | reseq2 4607 |
. . . . . . . . . . . . . . . 16
⊢ (𝑥 = 𝑤 → (𝐺 ↾ 𝑥) = (𝐺 ↾ 𝑤)) |
75 | 74 | fveq2d 5182 |
. . . . . . . . . . . . . . 15
⊢ (𝑥 = 𝑤 → (𝐵‘(𝐺 ↾ 𝑥)) = (𝐵‘(𝐺 ↾ 𝑤))) |
76 | 73, 75 | eqeq12d 2054 |
. . . . . . . . . . . . . 14
⊢ (𝑥 = 𝑤 → ((𝐺‘𝑥) = (𝐵‘(𝐺 ↾ 𝑥)) ↔ (𝐺‘𝑤) = (𝐵‘(𝐺 ↾ 𝑤)))) |
77 | 76 | rspcva 2654 |
. . . . . . . . . . . . 13
⊢ ((𝑤 ∈ 𝐴 ∧ ∀𝑥 ∈ 𝐴 (𝐺‘𝑥) = (𝐵‘(𝐺 ↾ 𝑥))) → (𝐺‘𝑤) = (𝐵‘(𝐺 ↾ 𝑤))) |
78 | 62, 72, 77 | syl2anc 391 |
. . . . . . . . . . . 12
⊢
(((((𝜑 ∧ 𝑦 ∈ On) ∧ ∀𝑧 ∈ 𝑦 (𝑧 ⊆ 𝐴 → ∀𝑥 ∈ 𝑧 (𝐹‘𝑥) = (𝐺‘𝑥))) ∧ 𝑦 ⊆ 𝐴) ∧ 𝑤 ∈ 𝑦) → (𝐺‘𝑤) = (𝐵‘(𝐺 ↾ 𝑤))) |
79 | 60, 70, 78 | 3eqtr4d 2082 |
. . . . . . . . . . 11
⊢
(((((𝜑 ∧ 𝑦 ∈ On) ∧ ∀𝑧 ∈ 𝑦 (𝑧 ⊆ 𝐴 → ∀𝑥 ∈ 𝑧 (𝐹‘𝑥) = (𝐺‘𝑥))) ∧ 𝑦 ⊆ 𝐴) ∧ 𝑤 ∈ 𝑦) → (𝐹‘𝑤) = (𝐺‘𝑤)) |
80 | 79 | ralrimiva 2392 |
. . . . . . . . . 10
⊢ ((((𝜑 ∧ 𝑦 ∈ On) ∧ ∀𝑧 ∈ 𝑦 (𝑧 ⊆ 𝐴 → ∀𝑥 ∈ 𝑧 (𝐹‘𝑥) = (𝐺‘𝑥))) ∧ 𝑦 ⊆ 𝐴) → ∀𝑤 ∈ 𝑦 (𝐹‘𝑤) = (𝐺‘𝑤)) |
81 | 65, 73 | eqeq12d 2054 |
. . . . . . . . . . 11
⊢ (𝑥 = 𝑤 → ((𝐹‘𝑥) = (𝐺‘𝑥) ↔ (𝐹‘𝑤) = (𝐺‘𝑤))) |
82 | 81 | cbvralv 2533 |
. . . . . . . . . 10
⊢
(∀𝑥 ∈
𝑦 (𝐹‘𝑥) = (𝐺‘𝑥) ↔ ∀𝑤 ∈ 𝑦 (𝐹‘𝑤) = (𝐺‘𝑤)) |
83 | 80, 82 | sylibr 137 |
. . . . . . . . 9
⊢ ((((𝜑 ∧ 𝑦 ∈ On) ∧ ∀𝑧 ∈ 𝑦 (𝑧 ⊆ 𝐴 → ∀𝑥 ∈ 𝑧 (𝐹‘𝑥) = (𝐺‘𝑥))) ∧ 𝑦 ⊆ 𝐴) → ∀𝑥 ∈ 𝑦 (𝐹‘𝑥) = (𝐺‘𝑥)) |
84 | 83 | exp31 346 |
. . . . . . . 8
⊢ ((𝜑 ∧ 𝑦 ∈ On) → (∀𝑧 ∈ 𝑦 (𝑧 ⊆ 𝐴 → ∀𝑥 ∈ 𝑧 (𝐹‘𝑥) = (𝐺‘𝑥)) → (𝑦 ⊆ 𝐴 → ∀𝑥 ∈ 𝑦 (𝐹‘𝑥) = (𝐺‘𝑥)))) |
85 | 84 | expcom 109 |
. . . . . . 7
⊢ (𝑦 ∈ On → (𝜑 → (∀𝑧 ∈ 𝑦 (𝑧 ⊆ 𝐴 → ∀𝑥 ∈ 𝑧 (𝐹‘𝑥) = (𝐺‘𝑥)) → (𝑦 ⊆ 𝐴 → ∀𝑥 ∈ 𝑦 (𝐹‘𝑥) = (𝐺‘𝑥))))) |
86 | 85 | a2d 23 |
. . . . . 6
⊢ (𝑦 ∈ On → ((𝜑 → ∀𝑧 ∈ 𝑦 (𝑧 ⊆ 𝐴 → ∀𝑥 ∈ 𝑧 (𝐹‘𝑥) = (𝐺‘𝑥))) → (𝜑 → (𝑦 ⊆ 𝐴 → ∀𝑥 ∈ 𝑦 (𝐹‘𝑥) = (𝐺‘𝑥))))) |
87 | 11, 86 | syl5bi 141 |
. . . . 5
⊢ (𝑦 ∈ On → (∀𝑧 ∈ 𝑦 (𝜑 → (𝑧 ⊆ 𝐴 → ∀𝑥 ∈ 𝑧 (𝐹‘𝑥) = (𝐺‘𝑥))) → (𝜑 → (𝑦 ⊆ 𝐴 → ∀𝑥 ∈ 𝑦 (𝐹‘𝑥) = (𝐺‘𝑥))))) |
88 | 10, 87 | tfis2 4308 |
. . . 4
⊢ (𝑦 ∈ On → (𝜑 → (𝑦 ⊆ 𝐴 → ∀𝑥 ∈ 𝑦 (𝐹‘𝑥) = (𝐺‘𝑥)))) |
89 | 6, 88 | vtoclga 2619 |
. . 3
⊢ (𝐴 ∈ On → (𝜑 → (𝐴 ⊆ 𝐴 → ∀𝑥 ∈ 𝐴 (𝐹‘𝑥) = (𝐺‘𝑥)))) |
90 | 2, 89 | mpcom 32 |
. 2
⊢ (𝜑 → (𝐴 ⊆ 𝐴 → ∀𝑥 ∈ 𝐴 (𝐹‘𝑥) = (𝐺‘𝑥))) |
91 | 1, 90 | mpi 15 |
1
⊢ (𝜑 → ∀𝑥 ∈ 𝐴 (𝐹‘𝑥) = (𝐺‘𝑥)) |