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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 6017 | . 2 ⊢ (𝜑 → (𝐴𝐹𝐶) = (𝐴𝐺𝐶)) |
| 3 | oveq123d.2 | . . 3 ⊢ (𝜑 → 𝐴 = 𝐵) | |
| 4 | oveq123d.3 | . . 3 ⊢ (𝜑 → 𝐶 = 𝐷) | |
| 5 | 3, 4 | oveq12d 6018 | . 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 6000 |
| 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 3888 df-br 4083 df-iota 5277 df-fv 5325 df-ov 6003 |
| This theorem is referenced by: csbov123g 6039 prdsplusgfval 13312 prdsmulrfval 13314 issgrp 13431 sgrp1 13439 issgrpd 13440 ismndd 13465 grpsubfvalg 13573 grpsubpropdg 13632 imasgrp 13643 subgsub 13718 releqgg 13752 eqgex 13753 eqgfval 13754 isrng 13892 isrngd 13911 issrg 13923 srgidmlem 13936 isring 13958 ringass 13974 ringidmlem 13980 isringd 13999 ring1 14017 unitlinv 14084 unitrinv 14085 dvrfvald 14091 islmodd 14251 islidlm 14437 rnglidlmsgrp 14455 rnglidlrng 14456 psrval 14624 |
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