| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 6034 | . 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 6017 |
| 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 6020 |
| This theorem is referenced by: gsumpropd 13474 grppropstrg 13601 grpsubpropdg 13686 isrngd 13965 crngpropd 14051 isringd 14053 ring1 14071 opprrng 14089 opprrngbg 14090 opprring 14091 opprringbg 14092 opprsubgg 14096 mulgass3 14097 rngidpropdg 14159 invrpropdg 14162 subrngpropd 14229 subrgpropd 14266 isdomn 14282 sraring 14462 sralmod 14463 sralmod0g 14464 issubrgd 14465 rlmvnegg 14478 lidlrsppropdg 14508 crngridl 14543 znzrh 14656 zncrng 14658 |
| Copyright terms: Public domain | W3C validator |