| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > fvoveq1d | GIF version | ||
| Description: Equality deduction for nested function and operation value. (Contributed by AV, 23-Jul-2022.) |
| Ref | Expression |
|---|---|
| fvoveq1d.1 | ⊢ (𝜑 → 𝐴 = 𝐵) |
| Ref | Expression |
|---|---|
| fvoveq1d | ⊢ (𝜑 → (𝐹‘(𝐴𝑂𝐶)) = (𝐹‘(𝐵𝑂𝐶))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fvoveq1d.1 | . . 3 ⊢ (𝜑 → 𝐴 = 𝐵) | |
| 2 | 1 | oveq1d 6100 | . 2 ⊢ (𝜑 → (𝐴𝑂𝐶) = (𝐵𝑂𝐶)) |
| 3 | 2 | fveq2d 5699 | 1 ⊢ (𝜑 → (𝐹‘(𝐴𝑂𝐶)) = (𝐹‘(𝐵𝑂𝐶))) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 = wceq 1402 ‘cfv 5377 (class class class)co 6085 |
| This proof depends on 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 proof 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 3715 df-pr 3716 df-op 3718 df-uni 3936 df-br 4131 df-iota 5337 df-fv 5385 df-ov 6088 |
| This theorem is used by: fvoveq1 6108 imbrov2fvoveq 6110 seqvalcd 10898 pfxfvlsw 11467 swrdswrd 11477 mpomulcn 15667 mulc1cncf 15690 mulcncflem 15708 mulcncf 15709 limccl 15760 ellimc3apf 15761 limcdifap 15763 limcmpted 15764 limcresi 15767 limccoap 15779 dveflem 15827 |
| Copyright terms: Public domain | W3C validator |