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| Mirrors > Home > ILE Home > Th. List > fveq12d | Unicode version | ||
| Description: Equality deduction for function value. (Contributed by FL, 22-Dec-2008.) |
| Ref | Expression |
|---|---|
| fveq12d.1 |
|
| fveq12d.2 |
|
| Ref | Expression |
|---|---|
| fveq12d |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fveq12d.1 |
. . 3
| |
| 2 | 1 | fveq1d 5641 |
. 2
|
| 3 | fveq12d.2 |
. . 3
| |
| 4 | 3 | fveq2d 5643 |
. 2
|
| 5 | 2, 4 | eqtrd 2264 |
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 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-ext 2213 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 df-tru 1400 df-nf 1509 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-rex 2516 df-v 2804 df-un 3204 df-sn 3675 df-pr 3676 df-op 3678 df-uni 3894 df-br 4089 df-iota 5286 df-fv 5334 |
| This theorem is referenced by: nffvd 5651 fvsng 5850 fvmpopr2d 6158 tfrlem3ag 6475 tfrlem3a 6476 tfrlemi1 6498 tfr1onlem3ag 6503 omp1eomlem 7293 lswwrd 11164 swrdval 11233 cats1fvnd 11350 seq3shft 11416 climshft2 11884 fsum3 11966 ctiunctlemfo 13078 imasival 13407 gsumfzval 13492 gsumval2 13498 prdsinvlem 13709 mulgfvalg 13726 mulgval 13727 mulgnndir 13756 mulgpropdg 13769 unitinvinv 14157 rlmvalg 14487 rsp0 14526 znval 14669 reldvg 15422 dvfvalap 15424 lgsval 15752 lgsneg 15772 wlkres 16249 depindlem1 16376 depindlem2 16377 depindlem3 16378 |
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