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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 5677 |
. 2
|
| 3 | fveq12d.2 |
. . 3
| |
| 4 | 3 | fveq2d 5679 |
. 2
|
| 5 | 2, 4 | eqtrd 2267 |
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-ext 2216 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1812 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-rex 2528 df-v 2817 df-un 3218 df-sn 3700 df-pr 3701 df-op 3703 df-uni 3920 df-br 4115 df-iota 5317 df-fv 5365 |
| This theorem is referenced by: nffvd 5687 fvsng 5885 fvmpopr2d 6198 tfrlem3ag 6553 tfrlem3a 6554 tfrlemi1 6576 tfr1onlem3ag 6581 omp1eomlem 7398 lswwrd 11296 swrdval 11365 cats1fvnd 11482 seq3shft 11548 climshft2 12016 fsum3 12098 ctiunctlemfo 13274 imasival 13570 gsumfzval 13654 gsumval2 13660 mulgfvalg 13874 mulgval 13875 mulgnndir 13904 mulgpropdg 13917 prdsinvlem 14138 unitinvinv 14369 rlmvalg 14728 rsp0 14767 znval 14910 reldvg 15670 dvfvalap 15672 lgsval 16003 lgsneg 16023 wlkres 16500 depindlem1 16627 depindlem2 16628 depindlem3 16629 |
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