Step | Hyp | Ref
| Expression |
1 | | om2uz.1 |
. . . . . 6
⊢ 𝐶 ∈ ℤ |
2 | | om2uz.2 |
. . . . . 6
⊢ 𝐺 = (rec((𝑥 ∈ V ↦ (𝑥 + 1)), 𝐶) ↾ ω) |
3 | | uzrdg.1 |
. . . . . 6
⊢ 𝐴 ∈ V |
4 | | uzrdg.2 |
. . . . . 6
⊢ 𝑅 = (rec((𝑥 ∈ V, 𝑦 ∈ V ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩), ⟨𝐶, 𝐴⟩) ↾ ω) |
5 | | uzrdg.3 |
. . . . . 6
⊢ 𝑆 = ran 𝑅 |
6 | 1, 2, 3, 4, 5 | uzrdgfni 13920 |
. . . . 5
⊢ 𝑆 Fn
(ℤ≥‘𝐶) |
7 | | fnfun 6647 |
. . . . 5
⊢ (𝑆 Fn
(ℤ≥‘𝐶) → Fun 𝑆) |
8 | 6, 7 | ax-mp 5 |
. . . 4
⊢ Fun 𝑆 |
9 | | peano2uz 12882 |
. . . . . 6
⊢ (𝐵 ∈
(ℤ≥‘𝐶) → (𝐵 + 1) ∈
(ℤ≥‘𝐶)) |
10 | 1, 2, 3, 4 | uzrdglem 13919 |
. . . . . 6
⊢ ((𝐵 + 1) ∈
(ℤ≥‘𝐶) → ⟨(𝐵 + 1), (2nd ‘(𝑅‘(◡𝐺‘(𝐵 + 1))))⟩ ∈ ran 𝑅) |
11 | 9, 10 | syl 17 |
. . . . 5
⊢ (𝐵 ∈
(ℤ≥‘𝐶) → ⟨(𝐵 + 1), (2nd ‘(𝑅‘(◡𝐺‘(𝐵 + 1))))⟩ ∈ ran 𝑅) |
12 | 11, 5 | eleqtrrdi 2845 |
. . . 4
⊢ (𝐵 ∈
(ℤ≥‘𝐶) → ⟨(𝐵 + 1), (2nd ‘(𝑅‘(◡𝐺‘(𝐵 + 1))))⟩ ∈ 𝑆) |
13 | | funopfv 6941 |
. . . 4
⊢ (Fun
𝑆 → (⟨(𝐵 + 1), (2nd
‘(𝑅‘(◡𝐺‘(𝐵 + 1))))⟩ ∈ 𝑆 → (𝑆‘(𝐵 + 1)) = (2nd ‘(𝑅‘(◡𝐺‘(𝐵 + 1)))))) |
14 | 8, 12, 13 | mpsyl 68 |
. . 3
⊢ (𝐵 ∈
(ℤ≥‘𝐶) → (𝑆‘(𝐵 + 1)) = (2nd ‘(𝑅‘(◡𝐺‘(𝐵 + 1))))) |
15 | 1, 2 | om2uzf1oi 13915 |
. . . . . . . 8
⊢ 𝐺:ω–1-1-onto→(ℤ≥‘𝐶) |
16 | | f1ocnvdm 7280 |
. . . . . . . 8
⊢ ((𝐺:ω–1-1-onto→(ℤ≥‘𝐶) ∧ 𝐵 ∈ (ℤ≥‘𝐶)) → (◡𝐺‘𝐵) ∈ ω) |
17 | 15, 16 | mpan 689 |
. . . . . . 7
⊢ (𝐵 ∈
(ℤ≥‘𝐶) → (◡𝐺‘𝐵) ∈ ω) |
18 | | peano2 7878 |
. . . . . . 7
⊢ ((◡𝐺‘𝐵) ∈ ω → suc (◡𝐺‘𝐵) ∈ ω) |
19 | 17, 18 | syl 17 |
. . . . . 6
⊢ (𝐵 ∈
(ℤ≥‘𝐶) → suc (◡𝐺‘𝐵) ∈ ω) |
20 | 1, 2 | om2uzsuci 13910 |
. . . . . . . 8
⊢ ((◡𝐺‘𝐵) ∈ ω → (𝐺‘suc (◡𝐺‘𝐵)) = ((𝐺‘(◡𝐺‘𝐵)) + 1)) |
21 | 17, 20 | syl 17 |
. . . . . . 7
⊢ (𝐵 ∈
(ℤ≥‘𝐶) → (𝐺‘suc (◡𝐺‘𝐵)) = ((𝐺‘(◡𝐺‘𝐵)) + 1)) |
22 | | f1ocnvfv2 7272 |
. . . . . . . . 9
⊢ ((𝐺:ω–1-1-onto→(ℤ≥‘𝐶) ∧ 𝐵 ∈ (ℤ≥‘𝐶)) → (𝐺‘(◡𝐺‘𝐵)) = 𝐵) |
23 | 15, 22 | mpan 689 |
. . . . . . . 8
⊢ (𝐵 ∈
(ℤ≥‘𝐶) → (𝐺‘(◡𝐺‘𝐵)) = 𝐵) |
24 | 23 | oveq1d 7421 |
. . . . . . 7
⊢ (𝐵 ∈
(ℤ≥‘𝐶) → ((𝐺‘(◡𝐺‘𝐵)) + 1) = (𝐵 + 1)) |
25 | 21, 24 | eqtrd 2773 |
. . . . . 6
⊢ (𝐵 ∈
(ℤ≥‘𝐶) → (𝐺‘suc (◡𝐺‘𝐵)) = (𝐵 + 1)) |
26 | | f1ocnvfv 7273 |
. . . . . . 7
⊢ ((𝐺:ω–1-1-onto→(ℤ≥‘𝐶) ∧ suc (◡𝐺‘𝐵) ∈ ω) → ((𝐺‘suc (◡𝐺‘𝐵)) = (𝐵 + 1) → (◡𝐺‘(𝐵 + 1)) = suc (◡𝐺‘𝐵))) |
27 | 15, 26 | mpan 689 |
. . . . . 6
⊢ (suc
(◡𝐺‘𝐵) ∈ ω → ((𝐺‘suc (◡𝐺‘𝐵)) = (𝐵 + 1) → (◡𝐺‘(𝐵 + 1)) = suc (◡𝐺‘𝐵))) |
28 | 19, 25, 27 | sylc 65 |
. . . . 5
⊢ (𝐵 ∈
(ℤ≥‘𝐶) → (◡𝐺‘(𝐵 + 1)) = suc (◡𝐺‘𝐵)) |
29 | 28 | fveq2d 6893 |
. . . 4
⊢ (𝐵 ∈
(ℤ≥‘𝐶) → (𝑅‘(◡𝐺‘(𝐵 + 1))) = (𝑅‘suc (◡𝐺‘𝐵))) |
30 | 29 | fveq2d 6893 |
. . 3
⊢ (𝐵 ∈
(ℤ≥‘𝐶) → (2nd ‘(𝑅‘(◡𝐺‘(𝐵 + 1)))) = (2nd ‘(𝑅‘suc (◡𝐺‘𝐵)))) |
31 | 14, 30 | eqtrd 2773 |
. 2
⊢ (𝐵 ∈
(ℤ≥‘𝐶) → (𝑆‘(𝐵 + 1)) = (2nd ‘(𝑅‘suc (◡𝐺‘𝐵)))) |
32 | | frsuc 8434 |
. . . . . . . 8
⊢ ((◡𝐺‘𝐵) ∈ ω → ((rec((𝑥 ∈ V, 𝑦 ∈ V ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩), ⟨𝐶, 𝐴⟩) ↾ ω)‘suc (◡𝐺‘𝐵)) = ((𝑥 ∈ V, 𝑦 ∈ V ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩)‘((rec((𝑥 ∈ V, 𝑦 ∈ V ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩), ⟨𝐶, 𝐴⟩) ↾ ω)‘(◡𝐺‘𝐵)))) |
33 | 4 | fveq1i 6890 |
. . . . . . . 8
⊢ (𝑅‘suc (◡𝐺‘𝐵)) = ((rec((𝑥 ∈ V, 𝑦 ∈ V ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩), ⟨𝐶, 𝐴⟩) ↾ ω)‘suc (◡𝐺‘𝐵)) |
34 | 4 | fveq1i 6890 |
. . . . . . . . 9
⊢ (𝑅‘(◡𝐺‘𝐵)) = ((rec((𝑥 ∈ V, 𝑦 ∈ V ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩), ⟨𝐶, 𝐴⟩) ↾ ω)‘(◡𝐺‘𝐵)) |
35 | 34 | fveq2i 6892 |
. . . . . . . 8
⊢ ((𝑥 ∈ V, 𝑦 ∈ V ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩)‘(𝑅‘(◡𝐺‘𝐵))) = ((𝑥 ∈ V, 𝑦 ∈ V ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩)‘((rec((𝑥 ∈ V, 𝑦 ∈ V ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩), ⟨𝐶, 𝐴⟩) ↾ ω)‘(◡𝐺‘𝐵))) |
36 | 32, 33, 35 | 3eqtr4g 2798 |
. . . . . . 7
⊢ ((◡𝐺‘𝐵) ∈ ω → (𝑅‘suc (◡𝐺‘𝐵)) = ((𝑥 ∈ V, 𝑦 ∈ V ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩)‘(𝑅‘(◡𝐺‘𝐵)))) |
37 | 1, 2, 3, 4 | om2uzrdg 13918 |
. . . . . . . . 9
⊢ ((◡𝐺‘𝐵) ∈ ω → (𝑅‘(◡𝐺‘𝐵)) = ⟨(𝐺‘(◡𝐺‘𝐵)), (2nd ‘(𝑅‘(◡𝐺‘𝐵)))⟩) |
38 | 37 | fveq2d 6893 |
. . . . . . . 8
⊢ ((◡𝐺‘𝐵) ∈ ω → ((𝑥 ∈ V, 𝑦 ∈ V ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩)‘(𝑅‘(◡𝐺‘𝐵))) = ((𝑥 ∈ V, 𝑦 ∈ V ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩)‘⟨(𝐺‘(◡𝐺‘𝐵)), (2nd ‘(𝑅‘(◡𝐺‘𝐵)))⟩)) |
39 | | df-ov 7409 |
. . . . . . . 8
⊢ ((𝐺‘(◡𝐺‘𝐵))(𝑥 ∈ V, 𝑦 ∈ V ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩)(2nd ‘(𝑅‘(◡𝐺‘𝐵)))) = ((𝑥 ∈ V, 𝑦 ∈ V ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩)‘⟨(𝐺‘(◡𝐺‘𝐵)), (2nd ‘(𝑅‘(◡𝐺‘𝐵)))⟩) |
40 | 38, 39 | eqtr4di 2791 |
. . . . . . 7
⊢ ((◡𝐺‘𝐵) ∈ ω → ((𝑥 ∈ V, 𝑦 ∈ V ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩)‘(𝑅‘(◡𝐺‘𝐵))) = ((𝐺‘(◡𝐺‘𝐵))(𝑥 ∈ V, 𝑦 ∈ V ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩)(2nd ‘(𝑅‘(◡𝐺‘𝐵))))) |
41 | 36, 40 | eqtrd 2773 |
. . . . . 6
⊢ ((◡𝐺‘𝐵) ∈ ω → (𝑅‘suc (◡𝐺‘𝐵)) = ((𝐺‘(◡𝐺‘𝐵))(𝑥 ∈ V, 𝑦 ∈ V ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩)(2nd ‘(𝑅‘(◡𝐺‘𝐵))))) |
42 | | fvex 6902 |
. . . . . . 7
⊢ (𝐺‘(◡𝐺‘𝐵)) ∈ V |
43 | | fvex 6902 |
. . . . . . 7
⊢
(2nd ‘(𝑅‘(◡𝐺‘𝐵))) ∈ V |
44 | | oveq1 7413 |
. . . . . . . . 9
⊢ (𝑧 = (𝐺‘(◡𝐺‘𝐵)) → (𝑧 + 1) = ((𝐺‘(◡𝐺‘𝐵)) + 1)) |
45 | | oveq1 7413 |
. . . . . . . . 9
⊢ (𝑧 = (𝐺‘(◡𝐺‘𝐵)) → (𝑧𝐹𝑤) = ((𝐺‘(◡𝐺‘𝐵))𝐹𝑤)) |
46 | 44, 45 | opeq12d 4881 |
. . . . . . . 8
⊢ (𝑧 = (𝐺‘(◡𝐺‘𝐵)) → ⟨(𝑧 + 1), (𝑧𝐹𝑤)⟩ = ⟨((𝐺‘(◡𝐺‘𝐵)) + 1), ((𝐺‘(◡𝐺‘𝐵))𝐹𝑤)⟩) |
47 | | oveq2 7414 |
. . . . . . . . 9
⊢ (𝑤 = (2nd ‘(𝑅‘(◡𝐺‘𝐵))) → ((𝐺‘(◡𝐺‘𝐵))𝐹𝑤) = ((𝐺‘(◡𝐺‘𝐵))𝐹(2nd ‘(𝑅‘(◡𝐺‘𝐵))))) |
48 | 47 | opeq2d 4880 |
. . . . . . . 8
⊢ (𝑤 = (2nd ‘(𝑅‘(◡𝐺‘𝐵))) → ⟨((𝐺‘(◡𝐺‘𝐵)) + 1), ((𝐺‘(◡𝐺‘𝐵))𝐹𝑤)⟩ = ⟨((𝐺‘(◡𝐺‘𝐵)) + 1), ((𝐺‘(◡𝐺‘𝐵))𝐹(2nd ‘(𝑅‘(◡𝐺‘𝐵))))⟩) |
49 | | oveq1 7413 |
. . . . . . . . . 10
⊢ (𝑥 = 𝑧 → (𝑥 + 1) = (𝑧 + 1)) |
50 | | oveq1 7413 |
. . . . . . . . . 10
⊢ (𝑥 = 𝑧 → (𝑥𝐹𝑦) = (𝑧𝐹𝑦)) |
51 | 49, 50 | opeq12d 4881 |
. . . . . . . . 9
⊢ (𝑥 = 𝑧 → ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩ = ⟨(𝑧 + 1), (𝑧𝐹𝑦)⟩) |
52 | | oveq2 7414 |
. . . . . . . . . 10
⊢ (𝑦 = 𝑤 → (𝑧𝐹𝑦) = (𝑧𝐹𝑤)) |
53 | 52 | opeq2d 4880 |
. . . . . . . . 9
⊢ (𝑦 = 𝑤 → ⟨(𝑧 + 1), (𝑧𝐹𝑦)⟩ = ⟨(𝑧 + 1), (𝑧𝐹𝑤)⟩) |
54 | 51, 53 | cbvmpov 7501 |
. . . . . . . 8
⊢ (𝑥 ∈ V, 𝑦 ∈ V ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩) = (𝑧 ∈ V, 𝑤 ∈ V ↦ ⟨(𝑧 + 1), (𝑧𝐹𝑤)⟩) |
55 | | opex 5464 |
. . . . . . . 8
⊢
⟨((𝐺‘(◡𝐺‘𝐵)) + 1), ((𝐺‘(◡𝐺‘𝐵))𝐹(2nd ‘(𝑅‘(◡𝐺‘𝐵))))⟩ ∈ V |
56 | 46, 48, 54, 55 | ovmpo 7565 |
. . . . . . 7
⊢ (((𝐺‘(◡𝐺‘𝐵)) ∈ V ∧ (2nd
‘(𝑅‘(◡𝐺‘𝐵))) ∈ V) → ((𝐺‘(◡𝐺‘𝐵))(𝑥 ∈ V, 𝑦 ∈ V ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩)(2nd ‘(𝑅‘(◡𝐺‘𝐵)))) = ⟨((𝐺‘(◡𝐺‘𝐵)) + 1), ((𝐺‘(◡𝐺‘𝐵))𝐹(2nd ‘(𝑅‘(◡𝐺‘𝐵))))⟩) |
57 | 42, 43, 56 | mp2an 691 |
. . . . . 6
⊢ ((𝐺‘(◡𝐺‘𝐵))(𝑥 ∈ V, 𝑦 ∈ V ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩)(2nd ‘(𝑅‘(◡𝐺‘𝐵)))) = ⟨((𝐺‘(◡𝐺‘𝐵)) + 1), ((𝐺‘(◡𝐺‘𝐵))𝐹(2nd ‘(𝑅‘(◡𝐺‘𝐵))))⟩ |
58 | 41, 57 | eqtrdi 2789 |
. . . . 5
⊢ ((◡𝐺‘𝐵) ∈ ω → (𝑅‘suc (◡𝐺‘𝐵)) = ⟨((𝐺‘(◡𝐺‘𝐵)) + 1), ((𝐺‘(◡𝐺‘𝐵))𝐹(2nd ‘(𝑅‘(◡𝐺‘𝐵))))⟩) |
59 | 58 | fveq2d 6893 |
. . . 4
⊢ ((◡𝐺‘𝐵) ∈ ω → (2nd
‘(𝑅‘suc (◡𝐺‘𝐵))) = (2nd ‘⟨((𝐺‘(◡𝐺‘𝐵)) + 1), ((𝐺‘(◡𝐺‘𝐵))𝐹(2nd ‘(𝑅‘(◡𝐺‘𝐵))))⟩)) |
60 | | ovex 7439 |
. . . . 5
⊢ ((𝐺‘(◡𝐺‘𝐵)) + 1) ∈ V |
61 | | ovex 7439 |
. . . . 5
⊢ ((𝐺‘(◡𝐺‘𝐵))𝐹(2nd ‘(𝑅‘(◡𝐺‘𝐵)))) ∈ V |
62 | 60, 61 | op2nd 7981 |
. . . 4
⊢
(2nd ‘⟨((𝐺‘(◡𝐺‘𝐵)) + 1), ((𝐺‘(◡𝐺‘𝐵))𝐹(2nd ‘(𝑅‘(◡𝐺‘𝐵))))⟩) = ((𝐺‘(◡𝐺‘𝐵))𝐹(2nd ‘(𝑅‘(◡𝐺‘𝐵)))) |
63 | 59, 62 | eqtrdi 2789 |
. . 3
⊢ ((◡𝐺‘𝐵) ∈ ω → (2nd
‘(𝑅‘suc (◡𝐺‘𝐵))) = ((𝐺‘(◡𝐺‘𝐵))𝐹(2nd ‘(𝑅‘(◡𝐺‘𝐵))))) |
64 | 17, 63 | syl 17 |
. 2
⊢ (𝐵 ∈
(ℤ≥‘𝐶) → (2nd ‘(𝑅‘suc (◡𝐺‘𝐵))) = ((𝐺‘(◡𝐺‘𝐵))𝐹(2nd ‘(𝑅‘(◡𝐺‘𝐵))))) |
65 | 1, 2, 3, 4 | uzrdglem 13919 |
. . . . . 6
⊢ (𝐵 ∈
(ℤ≥‘𝐶) → ⟨𝐵, (2nd ‘(𝑅‘(◡𝐺‘𝐵)))⟩ ∈ ran 𝑅) |
66 | 65, 5 | eleqtrrdi 2845 |
. . . . 5
⊢ (𝐵 ∈
(ℤ≥‘𝐶) → ⟨𝐵, (2nd ‘(𝑅‘(◡𝐺‘𝐵)))⟩ ∈ 𝑆) |
67 | | funopfv 6941 |
. . . . 5
⊢ (Fun
𝑆 → (⟨𝐵, (2nd ‘(𝑅‘(◡𝐺‘𝐵)))⟩ ∈ 𝑆 → (𝑆‘𝐵) = (2nd ‘(𝑅‘(◡𝐺‘𝐵))))) |
68 | 8, 66, 67 | mpsyl 68 |
. . . 4
⊢ (𝐵 ∈
(ℤ≥‘𝐶) → (𝑆‘𝐵) = (2nd ‘(𝑅‘(◡𝐺‘𝐵)))) |
69 | 68 | eqcomd 2739 |
. . 3
⊢ (𝐵 ∈
(ℤ≥‘𝐶) → (2nd ‘(𝑅‘(◡𝐺‘𝐵))) = (𝑆‘𝐵)) |
70 | 23, 69 | oveq12d 7424 |
. 2
⊢ (𝐵 ∈
(ℤ≥‘𝐶) → ((𝐺‘(◡𝐺‘𝐵))𝐹(2nd ‘(𝑅‘(◡𝐺‘𝐵)))) = (𝐵𝐹(𝑆‘𝐵))) |
71 | 31, 64, 70 | 3eqtrd 2777 |
1
⊢ (𝐵 ∈
(ℤ≥‘𝐶) → (𝑆‘(𝐵 + 1)) = (𝐵𝐹(𝑆‘𝐵))) |