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Related theorems GIF version |
| Description: Equality deduction for function value. |
| Ref | Expression |
|---|---|
| fveq1d.1 | ⊢ (φ → F = G) |
| Ref | Expression |
|---|---|
| fveq1d | ⊢ (φ → (F ‘A) = (G ‘A)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fveq1d.1 | . 2 ⊢ (φ → F = G) | |
| 2 | fveq1 2831 | . 2 ⊢ (F = G → (F ‘A) = (G ‘A)) | |
| 3 | 1, 2 | syl 12 | 1 ⊢ (φ → (F ‘A) = (G ‘A)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 2 = wceq 1091 ‘cfv 2422 |
| This theorem is referenced by: funssfv 2841 f1ocnvfv1 2919 f1ocnvfv2 2920 rdgeq1 2972 rdgeq2 2973 rdgzert 2982 oav 3119 mapenlem1 3384 mapxpen 3390 xpmapenlem2 3392 xpmapenlem4 3394 xpmapenlem5 3395 seqval 4665 expvalt 4677 pjvalt 5246 axpjpjt 5260 pjoc1t 5270 hosvalt 5489 hodvalt 5490 pjcjt2 5580 pjcht 5582 pjsumt 5590 pj3cor1 5661 pjopytht 5662 pjnormt 5666 pjnelt 5667 strlem2 5692 |
| This theorem was proved from axioms: ax-1 3 ax-2 4 ax-3 5 ax-mp 6 ax-4 673 ax-5 674 ax-6 675 ax-7 676 ax-gen 677 ax-8 798 ax-9 799 ax-10 800 ax-11 801 ax-12 802 ax-13 804 ax-14 805 ax-16 922 ax-17 925 ax-ext 1074 ax-rep 1075 ax-pow 1077 |
| This theorem depends on definitions: df-bi 128 df-or 197 df-an 198 df-ex 679 df-sb 853 df-clab 1093 df-cleq 1097 df-clel 1099 df-v 1349 df-dif 1489 df-un 1490 df-in 1491 df-ss 1492 df-nul 1708 df-pw 1799 df-sn 1811 df-pr 1812 df-op 1815 df-uni 1920 df-br 2063 df-opab 2098 df-cnv 2426 df-dm 2428 df-rn 2429 df-res 2430 df-ima 2431 df-fv 2438 |