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| Mirrors > Home > ILE Home > Th. List > oveqdr | GIF version | ||
| Description: Equality of two operations for any two operands. Useful in proofs using *propd theorems. (Contributed by Mario Carneiro, 29-Jun-2015.) |
| Ref | Expression |
|---|---|
| oveqdr.1 | ⊢ (𝜑 → 𝐹 = 𝐺) |
| Ref | Expression |
|---|---|
| oveqdr | ⊢ ((𝜑 ∧ 𝜓) → (𝑥𝐹𝑦) = (𝑥𝐺𝑦)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | oveqdr.1 | . . 3 ⊢ (𝜑 → 𝐹 = 𝐺) | |
| 2 | 1 | oveqd 6035 | . 2 ⊢ (𝜑 → (𝑥𝐹𝑦) = (𝑥𝐺𝑦)) |
| 3 | 2 | adantr 276 | 1 ⊢ ((𝜑 ∧ 𝜓) → (𝑥𝐹𝑦) = (𝑥𝐺𝑦)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 = wceq 1397 (class class class)co 6018 |
| 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 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-ext 2213 |
| This theorem depends on definitions: df-bi 117 df-tru 1400 df-nf 1509 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-rex 2516 df-uni 3894 df-br 4089 df-iota 5286 df-fv 5334 df-ov 6021 |
| This theorem is referenced by: gsumpropd 13493 grppropstrg 13620 grpsubpropdg 13705 isrngd 13985 crngpropd 14071 isringd 14073 ring1 14091 opprrng 14109 opprrngbg 14110 opprring 14111 opprringbg 14112 opprsubgg 14116 mulgass3 14117 rngidpropdg 14179 invrpropdg 14182 subrngpropd 14249 subrgpropd 14286 isdomn 14302 sraring 14482 sralmod 14483 sralmod0g 14484 issubrgd 14485 rlmvnegg 14498 lidlrsppropdg 14528 crngridl 14563 znzrh 14676 zncrng 14678 |
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