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| Mirrors > Home > ILE Home > Th. List > oveq123d | GIF version | ||
| Description: Equality deduction for operation value. (Contributed by FL, 22-Dec-2008.) |
| Ref | Expression |
|---|---|
| oveq123d.1 | ⊢ (𝜑 → 𝐹 = 𝐺) |
| oveq123d.2 | ⊢ (𝜑 → 𝐴 = 𝐵) |
| oveq123d.3 | ⊢ (𝜑 → 𝐶 = 𝐷) |
| Ref | Expression |
|---|---|
| oveq123d | ⊢ (𝜑 → (𝐴𝐹𝐶) = (𝐵𝐺𝐷)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | oveq123d.1 | . . 3 ⊢ (𝜑 → 𝐹 = 𝐺) | |
| 2 | 1 | oveqd 6024 | . 2 ⊢ (𝜑 → (𝐴𝐹𝐶) = (𝐴𝐺𝐶)) |
| 3 | oveq123d.2 | . . 3 ⊢ (𝜑 → 𝐴 = 𝐵) | |
| 4 | oveq123d.3 | . . 3 ⊢ (𝜑 → 𝐶 = 𝐷) | |
| 5 | 3, 4 | oveq12d 6025 | . 2 ⊢ (𝜑 → (𝐴𝐺𝐶) = (𝐵𝐺𝐷)) |
| 6 | 2, 5 | eqtrd 2262 | 1 ⊢ (𝜑 → (𝐴𝐹𝐶) = (𝐵𝐺𝐷)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1395 (class class class)co 6007 |
| 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 2801 df-un 3201 df-sn 3672 df-pr 3673 df-op 3675 df-uni 3889 df-br 4084 df-iota 5278 df-fv 5326 df-ov 6010 |
| This theorem is referenced by: csbov123g 6046 prdsplusgfval 13332 prdsmulrfval 13334 issgrp 13451 sgrp1 13459 issgrpd 13460 ismndd 13485 grpsubfvalg 13593 grpsubpropdg 13652 imasgrp 13663 subgsub 13738 releqgg 13772 eqgex 13773 eqgfval 13774 isrng 13912 isrngd 13931 issrg 13943 srgidmlem 13956 isring 13978 ringass 13994 ringidmlem 14000 isringd 14019 ring1 14037 unitlinv 14105 unitrinv 14106 dvrfvald 14112 islmodd 14272 islidlm 14458 rnglidlmsgrp 14476 rnglidlrng 14477 psrval 14645 |
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