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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 5672 |
. 2
|
| 3 | fveq12d.2 |
. . 3
| |
| 4 | 3 | fveq2d 5674 |
. 2
|
| 5 | 2, 4 | eqtrd 2265 |
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 2214 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1812 df-clab 2219 df-cleq 2225 df-clel 2228 df-nfc 2373 df-rex 2526 df-v 2815 df-un 3215 df-sn 3695 df-pr 3696 df-op 3698 df-uni 3915 df-br 4110 df-iota 5312 df-fv 5360 |
| This theorem is referenced by: nffvd 5682 fvsng 5880 fvmpopr2d 6190 tfrlem3ag 6540 tfrlem3a 6541 tfrlemi1 6563 tfr1onlem3ag 6568 omp1eomlem 7385 lswwrd 11271 swrdval 11340 cats1fvnd 11457 seq3shft 11523 climshft2 11991 fsum3 12073 ctiunctlemfo 13190 imasival 13519 gsumfzval 13604 gsumval2 13610 prdsinvlem 13821 mulgfvalg 13838 mulgval 13839 mulgnndir 13868 mulgpropdg 13881 unitinvinv 14269 rlmvalg 14602 rsp0 14641 znval 14784 reldvg 15544 dvfvalap 15546 lgsval 15877 lgsneg 15897 wlkres 16374 depindlem1 16501 depindlem2 16502 depindlem3 16503 |
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