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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 5648 |
. . 3
| |
| 2 | 1 | eqcoms 2234 |
. 2
|
| 3 | f1ocnvfv1 5928 |
. . 3
| |
| 4 | 3 | eqeq2d 2243 |
. 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 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-14 2205 ax-ext 2213 ax-sep 4212 ax-pow 4270 ax-pr 4305 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-ral 2516 df-rex 2517 df-v 2805 df-sbc 3033 df-un 3205 df-in 3207 df-ss 3214 df-pw 3658 df-sn 3679 df-pr 3680 df-op 3682 df-uni 3899 df-br 4094 df-opab 4156 df-id 4396 df-xp 4737 df-rel 4738 df-cnv 4739 df-co 4740 df-dm 4741 df-rn 4742 df-res 4743 df-ima 4744 df-iota 5293 df-fun 5335 df-fn 5336 df-f 5337 df-f1 5338 df-fo 5339 df-f1o 5340 df-fv 5341 |
| This theorem is referenced by: f1ocnvfvb 5931 f1oiso2 5978 frecuzrdgtcl 10718 frecuzrdgsuc 10720 frecuzrdgfunlem 10725 frecfzennn 10732 0tonninf 10746 1tonninf 10747 seqf1oglem1 10825 seqf1oglem2 10826 sqpweven 12808 2sqpwodd 12809 mhmf1o 13614 ghmf1o 13923 012of 16693 isomninnlem 16742 iswomninnlem 16762 ismkvnnlem 16765 |
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