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| Mirrors > Home > ILE Home > Th. List > f1ocnvfv | Unicode version | ||
| Description: Relationship between the value of a one-to-one onto function and the value of its converse. (Contributed by Raph Levien, 10-Apr-2004.) |
| Ref | Expression |
|---|---|
| f1ocnvfv |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fveq2 5561 |
. . 3
| |
| 2 | 1 | eqcoms 2199 |
. 2
|
| 3 | f1ocnvfv1 5827 |
. . 3
| |
| 4 | 3 | eqeq2d 2208 |
. 2
|
| 5 | 2, 4 | imbitrid 154 |
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 710 ax-5 1461 ax-7 1462 ax-gen 1463 ax-ie1 1507 ax-ie2 1508 ax-8 1518 ax-10 1519 ax-11 1520 ax-i12 1521 ax-bndl 1523 ax-4 1524 ax-17 1540 ax-i9 1544 ax-ial 1548 ax-i5r 1549 ax-14 2170 ax-ext 2178 ax-sep 4152 ax-pow 4208 ax-pr 4243 |
| This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-nf 1475 df-sb 1777 df-eu 2048 df-mo 2049 df-clab 2183 df-cleq 2189 df-clel 2192 df-nfc 2328 df-ral 2480 df-rex 2481 df-v 2765 df-sbc 2990 df-un 3161 df-in 3163 df-ss 3170 df-pw 3608 df-sn 3629 df-pr 3630 df-op 3632 df-uni 3841 df-br 4035 df-opab 4096 df-id 4329 df-xp 4670 df-rel 4671 df-cnv 4672 df-co 4673 df-dm 4674 df-rn 4675 df-res 4676 df-ima 4677 df-iota 5220 df-fun 5261 df-fn 5262 df-f 5263 df-f1 5264 df-fo 5265 df-f1o 5266 df-fv 5267 |
| This theorem is referenced by: f1ocnvfvb 5830 f1oiso2 5877 frecuzrdgtcl 10521 frecuzrdgsuc 10523 frecuzrdgfunlem 10528 frecfzennn 10535 0tonninf 10549 1tonninf 10550 seqf1oglem1 10628 seqf1oglem2 10629 sqpweven 12368 2sqpwodd 12369 mhmf1o 13172 ghmf1o 13481 012of 15724 isomninnlem 15761 iswomninnlem 15780 ismkvnnlem 15783 |
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