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Mirrors > Home > ILE Home > Th. List > iseqvalcbv | Unicode version |
Description: Changing the bound variables in an expression which appears in some related proofs. (Contributed by Jim Kingdon, 28-Apr-2022.) |
Ref | Expression |
---|---|
iseqvalcbv | frec frec |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | oveq1 5849 | . . . . . . . . . 10 | |
2 | 1 | fveq2d 5490 | . . . . . . . . 9 |
3 | 2 | oveq2d 5858 | . . . . . . . 8 |
4 | oveq1 5849 | . . . . . . . 8 | |
5 | 3, 4 | cbvmpov 5922 | . . . . . . 7 |
6 | 5 | oveqi 5855 | . . . . . 6 |
7 | 6 | opeq2i 3762 | . . . . 5 |
8 | 7 | a1i 9 | . . . 4 |
9 | 8 | mpoeq3ia 5907 | . . 3 |
10 | oveq1 5849 | . . . . 5 | |
11 | oveq1 5849 | . . . . 5 | |
12 | 10, 11 | opeq12d 3766 | . . . 4 |
13 | oveq2 5850 | . . . . 5 | |
14 | 13 | opeq2d 3765 | . . . 4 |
15 | 12, 14 | cbvmpov 5922 | . . 3 |
16 | 9, 15 | eqtr3i 2188 | . 2 |
17 | freceq1 6360 | . 2 frec frec | |
18 | 16, 17 | ax-mp 5 | 1 frec frec |
Colors of variables: wff set class |
Syntax hints: wa 103 wceq 1343 wcel 2136 cop 3579 cfv 5188 (class class class)co 5842 cmpo 5844 freccfrec 6358 c1 7754 caddc 7756 cuz 9466 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-io 699 ax-5 1435 ax-7 1436 ax-gen 1437 ax-ie1 1481 ax-ie2 1482 ax-8 1492 ax-10 1493 ax-11 1494 ax-i12 1495 ax-bndl 1497 ax-4 1498 ax-17 1514 ax-i9 1518 ax-ial 1522 ax-i5r 1523 ax-14 2139 ax-ext 2147 ax-sep 4100 ax-pow 4153 ax-pr 4187 |
This theorem depends on definitions: df-bi 116 df-3an 970 df-tru 1346 df-nf 1449 df-sb 1751 df-clab 2152 df-cleq 2158 df-clel 2161 df-nfc 2297 df-ral 2449 df-rex 2450 df-v 2728 df-un 3120 df-in 3122 df-ss 3129 df-pw 3561 df-sn 3582 df-pr 3583 df-op 3585 df-uni 3790 df-br 3983 df-opab 4044 df-mpt 4045 df-res 4616 df-iota 5153 df-fv 5196 df-ov 5845 df-oprab 5846 df-mpo 5847 df-recs 6273 df-frec 6359 |
This theorem is referenced by: seq3-1 10395 seqf 10396 seq3p1 10397 seqf2 10399 seq1cd 10400 seqp1cd 10401 |
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