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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 7375 | . 2 ⊢ (if(𝜑, 𝐴, 𝐵) = 𝐴 → (if(𝜑, 𝐴, 𝐵)𝐹𝐶) = (𝐴𝐹𝐶)) | |
| 2 | oveq1 7375 | . 2 ⊢ (if(𝜑, 𝐴, 𝐵) = 𝐵 → (if(𝜑, 𝐴, 𝐵)𝐹𝐶) = (𝐵𝐹𝐶)) | |
| 3 | 1, 2 | ifsb 4495 | 1 ⊢ (if(𝜑, 𝐴, 𝐵)𝐹𝐶) = if(𝜑, (𝐴𝐹𝐶), (𝐵𝐹𝐶)) |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1542 ifcif 4481 (class class class)co 7368 |
| 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 2709 |
| 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 2716 df-cleq 2729 df-clel 2812 df-rab 3402 df-v 3444 df-dif 3906 df-un 3908 df-ss 3920 df-nul 4288 df-if 4482 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-br 5101 df-iota 6456 df-fv 6508 df-ov 7371 |
| This theorem is referenced by: scmatscm 22469 pmatcollpwscmatlem1 22745 idpm2idmp 22757 monmat2matmon 22780 chmatval 22785 leibpi 26920 musumsum 27170 muinv 27171 dchrinvcl 27232 rpvmasum2 27491 padicabvcxp 27611 mplmulmvr 33715 pnfneige0 34128 plymulx0 34724 ftc1anclem6 37946 reabssgn 43989 sqrtcval 43994 linc0scn0 48780 |
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