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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 6045 | . 2 ⊢ (𝜑 → (𝐴𝐹𝐶) = (𝐴𝐺𝐶)) |
| 3 | oveq123d.2 | . . 3 ⊢ (𝜑 → 𝐴 = 𝐵) | |
| 4 | oveq123d.3 | . . 3 ⊢ (𝜑 → 𝐶 = 𝐷) | |
| 5 | 3, 4 | oveq12d 6046 | . 2 ⊢ (𝜑 → (𝐴𝐺𝐶) = (𝐵𝐺𝐷)) |
| 6 | 2, 5 | eqtrd 2264 | 1 ⊢ (𝜑 → (𝐴𝐹𝐶) = (𝐵𝐺𝐷)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1398 (class class class)co 6028 |
| 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 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-ext 2213 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-rex 2517 df-v 2805 df-un 3205 df-sn 3679 df-pr 3680 df-op 3682 df-uni 3899 df-br 4094 df-iota 5293 df-fv 5341 df-ov 6031 |
| This theorem is referenced by: csbov123g 6067 prdsplusgfval 13430 prdsmulrfval 13432 issgrp 13549 sgrp1 13557 issgrpd 13558 ismndd 13583 grpsubfvalg 13691 grpsubpropdg 13750 imasgrp 13761 subgsub 13836 releqgg 13870 eqgex 13871 eqgfval 13872 isrng 14011 isrngd 14030 issrg 14042 srgidmlem 14055 isring 14077 ringass 14093 ringidmlem 14099 isringd 14118 ring1 14136 unitlinv 14204 unitrinv 14205 dvrfvald 14211 islmodd 14372 islidlm 14558 rnglidlmsgrp 14576 rnglidlrng 14577 psrval 14745 |
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