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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 5692 |
. 2
|
| 3 | fveq12d.2 |
. . 3
| |
| 4 | 3 | fveq2d 5694 |
. 2
|
| 5 | 2, 4 | eqtrd 2271 |
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 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 |
| This theorem depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-rex 2534 df-v 2823 df-un 3224 df-sn 3711 df-pr 3712 df-op 3714 df-uni 3931 df-br 4126 df-iota 5332 df-fv 5380 |
| This theorem is referenced by: nffvd 5702 fvsng 5902 fvmpopr2d 6215 tfrlem3ag 6570 tfrlem3a 6571 tfrlemi1 6593 tfr1onlem3ag 6598 omp1eomlem 7424 lswwrd 11329 swrdval 11398 cats1fvnd 11515 seq3shft 11581 climshft2 12050 fsum3 12132 ctiunctlemfo 13308 imasival 13604 gzsumfzval 13688 gzsumval2 13691 mulgfvalg 13901 mulgval 13902 mulgnndir 13931 mulgpropdg 13944 prdsinvlem 14173 unitinvinv 14404 rlmvalg 14763 rsp0 14802 znval 14943 reldvg 15703 dvfvalap 15705 lgsval 16037 lgsneg 16057 wlkres 16534 depindlem1 16661 depindlem2 16662 depindlem3 16663 |
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