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| Mirrors > Home > MPE Home > Th. List > ovif | Structured version Visualization version GIF version | ||
| Description: Move a conditional outside of an operation. (Contributed by Thierry Arnoux, 25-Jan-2017.) |
| Ref | Expression |
|---|---|
| ovif | ⊢ (if(𝜑, 𝐴, 𝐵)𝐹𝐶) = if(𝜑, (𝐴𝐹𝐶), (𝐵𝐹𝐶)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | oveq1 7374 | . 2 ⊢ (if(𝜑, 𝐴, 𝐵) = 𝐴 → (if(𝜑, 𝐴, 𝐵)𝐹𝐶) = (𝐴𝐹𝐶)) | |
| 2 | oveq1 7374 | . 2 ⊢ (if(𝜑, 𝐴, 𝐵) = 𝐵 → (if(𝜑, 𝐴, 𝐵)𝐹𝐶) = (𝐵𝐹𝐶)) | |
| 3 | 1, 2 | ifsb 4480 | 1 ⊢ (if(𝜑, 𝐴, 𝐵)𝐹𝐶) = if(𝜑, (𝐴𝐹𝐶), (𝐵𝐹𝐶)) |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1542 ifcif 4466 (class class class)co 7367 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-ext 2708 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-sb 2069 df-clab 2715 df-cleq 2728 df-clel 2811 df-rab 3390 df-v 3431 df-dif 3892 df-un 3894 df-ss 3906 df-nul 4274 df-if 4467 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4851 df-br 5086 df-iota 6454 df-fv 6506 df-ov 7370 |
| This theorem is referenced by: scmatscm 22478 pmatcollpwscmatlem1 22754 idpm2idmp 22766 monmat2matmon 22789 chmatval 22794 leibpi 26906 musumsum 27155 muinv 27156 dchrinvcl 27216 rpvmasum2 27475 padicabvcxp 27595 mplmulmvr 33683 pnfneige0 34095 plymulx0 34691 ftc1anclem6 38019 reabssgn 44063 sqrtcval 44068 linc0scn0 48899 |
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