| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > oveq | GIF version | ||
| Description: Equality theorem for operation value. (Contributed by NM, 28-Feb-1995.) |
| Ref | Expression |
|---|---|
| oveq | ⊢ (𝐹 = 𝐺 → (𝐴𝐹𝐵) = (𝐴𝐺𝐵)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fveq1 5634 | . 2 ⊢ (𝐹 = 𝐺 → (𝐹‘〈𝐴, 𝐵〉) = (𝐺‘〈𝐴, 𝐵〉)) | |
| 2 | df-ov 6016 | . 2 ⊢ (𝐴𝐹𝐵) = (𝐹‘〈𝐴, 𝐵〉) | |
| 3 | df-ov 6016 | . 2 ⊢ (𝐴𝐺𝐵) = (𝐺‘〈𝐴, 𝐵〉) | |
| 4 | 1, 2, 3 | 3eqtr4g 2287 | 1 ⊢ (𝐹 = 𝐺 → (𝐴𝐹𝐵) = (𝐴𝐺𝐵)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1395 〈cop 3670 ‘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-tru 1398 df-nf 1507 df-sb 1809 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-rex 2514 df-uni 3892 df-br 4087 df-iota 5284 df-fv 5332 df-ov 6016 |
| This theorem is referenced by: oveqi 6026 oveqd 6030 ovmpodf 6148 ovmpodv2 6150 mapxpen 7029 ismgm 13430 mgmsscl 13434 issgrp 13476 ismnddef 13491 grpissubg 13771 isrng 13937 islmod 14295 lmodfopne 14330 ispsmet 15037 ismet 15058 isxmet 15059 |
| Copyright terms: Public domain | W3C validator |