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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
|
| Ref | Expression |
|---|---|
| iseqvalcbv |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | oveq1 6008 |
. . . . . . . . . 10
| |
| 2 | 1 | fveq2d 5631 |
. . . . . . . . 9
|
| 3 | 2 | oveq2d 6017 |
. . . . . . . 8
|
| 4 | oveq1 6008 |
. . . . . . . 8
| |
| 5 | 3, 4 | cbvmpov 6084 |
. . . . . . 7
|
| 6 | 5 | oveqi 6014 |
. . . . . 6
|
| 7 | 6 | opeq2i 3861 |
. . . . 5
|
| 8 | 7 | a1i 9 |
. . . 4
|
| 9 | 8 | mpoeq3ia 6069 |
. . 3
|
| 10 | oveq1 6008 |
. . . . 5
| |
| 11 | oveq1 6008 |
. . . . 5
| |
| 12 | 10, 11 | opeq12d 3865 |
. . . 4
|
| 13 | oveq2 6009 |
. . . . 5
| |
| 14 | 13 | opeq2d 3864 |
. . . 4
|
| 15 | 12, 14 | cbvmpov 6084 |
. . 3
|
| 16 | 9, 15 | eqtr3i 2252 |
. 2
|
| 17 | freceq1 6538 |
. 2
| |
| 18 | 16, 17 | ax-mp 5 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-14 2203 ax-ext 2211 ax-sep 4202 ax-pow 4258 ax-pr 4293 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-nf 1507 df-sb 1809 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ral 2513 df-rex 2514 df-v 2801 df-un 3201 df-in 3203 df-ss 3210 df-pw 3651 df-sn 3672 df-pr 3673 df-op 3675 df-uni 3889 df-br 4084 df-opab 4146 df-mpt 4147 df-res 4731 df-iota 5278 df-fv 5326 df-ov 6004 df-oprab 6005 df-mpo 6006 df-recs 6451 df-frec 6537 |
| This theorem is referenced by: seq3-1 10684 seqf 10686 seq3p1 10687 seqf2 10690 seq1cd 10691 seqp1cd 10692 |
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