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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 6030 | . 2 ⊢ (𝜑 → (𝐴𝐹𝐶) = (𝐴𝐺𝐶)) |
| 3 | oveq123d.2 | . . 3 ⊢ (𝜑 → 𝐴 = 𝐵) | |
| 4 | oveq123d.3 | . . 3 ⊢ (𝜑 → 𝐶 = 𝐷) | |
| 5 | 3, 4 | oveq12d 6031 | . 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 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: csbov123g 6052 prdsplusgfval 13357 prdsmulrfval 13359 issgrp 13476 sgrp1 13484 issgrpd 13485 ismndd 13510 grpsubfvalg 13618 grpsubpropdg 13677 imasgrp 13688 subgsub 13763 releqgg 13797 eqgex 13798 eqgfval 13799 isrng 13937 isrngd 13956 issrg 13968 srgidmlem 13981 isring 14003 ringass 14019 ringidmlem 14025 isringd 14044 ring1 14062 unitlinv 14130 unitrinv 14131 dvrfvald 14137 islmodd 14297 islidlm 14483 rnglidlmsgrp 14501 rnglidlrng 14502 psrval 14670 |
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