| 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 6033 | . 2 ⊢ (𝜑 → (𝐴𝑂𝐶) = (𝐵𝑂𝐶)) |
| 3 | 2 | fveq2d 5643 | 1 ⊢ (𝜑 → (𝐹‘(𝐴𝑂𝐶)) = (𝐹‘(𝐵𝑂𝐶))) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1397 ‘cfv 5326 (class class class)co 6018 |
| 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 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-ext 2213 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 df-tru 1400 df-nf 1509 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-rex 2516 df-v 2804 df-un 3204 df-sn 3675 df-pr 3676 df-op 3678 df-uni 3894 df-br 4089 df-iota 5286 df-fv 5334 df-ov 6021 |
| This theorem is referenced by: fvoveq1 6041 imbrov2fvoveq 6043 seqvalcd 10724 pfxfvlsw 11280 swrdswrd 11290 mpomulcn 15296 mulc1cncf 15319 mulcncflem 15337 mulcncf 15338 limccl 15389 ellimc3apf 15390 limcdifap 15392 limcmpted 15393 limcresi 15396 limccoap 15408 dveflem 15456 |
| Copyright terms: Public domain | W3C validator |