| 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 6028 | . 2 ⊢ (𝜑 → (𝐴𝑂𝐶) = (𝐵𝑂𝐶)) |
| 3 | 2 | fveq2d 5639 | 1 ⊢ (𝜑 → (𝐹‘(𝐴𝑂𝐶)) = (𝐹‘(𝐵𝑂𝐶))) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1395 ‘cfv 5324 (class class class)co 6013 |
| 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 2802 df-un 3202 df-sn 3673 df-pr 3674 df-op 3676 df-uni 3892 df-br 4087 df-iota 5284 df-fv 5332 df-ov 6016 |
| This theorem is referenced by: fvoveq1 6036 imbrov2fvoveq 6038 seqvalcd 10713 pfxfvlsw 11266 swrdswrd 11276 mpomulcn 15280 mulc1cncf 15303 mulcncflem 15321 mulcncf 15322 limccl 15373 ellimc3apf 15374 limcdifap 15376 limcmpted 15377 limcresi 15380 limccoap 15392 dveflem 15440 |
| Copyright terms: Public domain | W3C validator |