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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 5628 |
. 2
|
| 3 | fveq12d.2 |
. . 3
| |
| 4 | 3 | fveq2d 5630 |
. 2
|
| 5 | 2, 4 | eqtrd 2262 |
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 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-ext 2211 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-nf 1507 df-sb 1809 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-rex 2514 df-v 2801 df-un 3201 df-sn 3672 df-pr 3673 df-op 3675 df-uni 3888 df-br 4083 df-iota 5277 df-fv 5325 |
| This theorem is referenced by: nffvd 5638 fvsng 5834 fvmpopr2d 6140 tfrlem3ag 6453 tfrlem3a 6454 tfrlemi1 6476 tfr1onlem3ag 6481 omp1eomlem 7257 lswwrd 11113 swrdval 11175 cats1fvnd 11292 seq3shft 11344 climshft2 11812 fsum3 11893 ctiunctlemfo 13005 imasival 13334 gsumfzval 13419 gsumval2 13425 prdsinvlem 13636 mulgfvalg 13653 mulgval 13654 mulgnndir 13683 mulgpropdg 13696 unitinvinv 14082 rlmvalg 14412 rsp0 14451 znval 14594 reldvg 15347 dvfvalap 15349 lgsval 15677 lgsneg 15697 |
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