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| Mirrors > Home > MPE Home > Th. List > fveqeq2d | Structured version Visualization version GIF version | ||
| Description: Equality deduction for function value. (Contributed by BJ, 30-Aug-2022.) |
| Ref | Expression |
|---|---|
| fveqeq2d.1 | ⊢ (𝜑 → 𝐴 = 𝐵) |
| Ref | Expression |
|---|---|
| fveqeq2d | ⊢ (𝜑 → ((𝐹‘𝐴) = 𝐶 ↔ (𝐹‘𝐵) = 𝐶)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fveqeq2d.1 | . . 3 ⊢ (𝜑 → 𝐴 = 𝐵) | |
| 2 | 1 | fveq2d 6846 | . 2 ⊢ (𝜑 → (𝐹‘𝐴) = (𝐹‘𝐵)) |
| 3 | 2 | eqeq1d 2739 | 1 ⊢ (𝜑 → ((𝐹‘𝐴) = 𝐶 ↔ (𝐹‘𝐵) = 𝐶)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 = wceq 1542 ‘cfv 6500 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-ext 2709 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-sb 2069 df-clab 2716 df-cleq 2729 df-clel 2812 df-rab 3402 df-v 3444 df-dif 3906 df-un 3908 df-ss 3920 df-nul 4288 df-if 4482 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-br 5101 df-iota 6456 df-fv 6508 |
| This theorem is referenced by: fveqeq2 6851 op1stg 7955 op2ndg 7956 ttrclss 9641 ttrclselem2 9647 fpwwecbv 10567 fpwwelem 10568 fseq1m1p1 13527 ico01fl0 13751 divfl0 13756 hashssdif 14347 cshw1 14757 smumullem 16431 algcvga 16518 vdwlem6 16926 vdwlem8 16928 ramub1lem1 16966 resmgmhm 18648 resmhm 18757 isghmOLD 19160 fislw 19569 pgpfaclem2 20028 0ringdif 20475 abvfval 20758 abvpropd 20783 lspsneq0 20978 reslmhm 21019 lspsneq 21092 mdetunilem7 22577 imasdsf1olem 24332 bcth 25300 ovoliunnul 25479 lognegb 26570 vmaval 27094 2lgslem3c 27380 2lgslem3d 27381 rusgrnumwrdl2 29676 wlkiswwlks2 29964 rusgrnumwwlks 30066 clwlkclwwlklem1 30090 clwlkclwwlklem2 30091 numclwwlk1 30452 wlkl0 30458 numclwlk1lem1 30460 isnvlem 30702 lnoval 30844 normsub0 31228 elunop2 32105 ishst 32306 hstri 32357 aciunf1lem 32756 esplyfvaln 33755 esplyind 33756 vietadeg1 33759 lmatfval 33996 lmatcl 33998 voliune 34411 volfiniune 34412 snmlval 35551 voliunnfl 37919 sdclem1 37998 islshp 39359 lshpnel2N 39365 lshpset2N 39499 dicffval 41554 dicfval 41555 mapdhval 42104 hdmap1fval 42176 hdmap1vallem 42177 hdmap1val 42178 aks6d1c6isolem1 42548 aks6d1c6lem5 42551 diophin 43133 eldioph4b 43172 eldioph4i 43173 diophren 43174 fperiodmullem 45669 fargshiftfva 47807 paireqne 47875 grimidvtxedg 48249 grimcnv 48252 grimco 48253 isuspgrim0 48258 uhgrimisgrgriclem 48294 clnbgrgrimlem 48297 |
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