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| Mirrors > Home > MPE Home > Th. List > ovif2 | Structured version Visualization version GIF version | ||
| Description: Move a conditional outside of an operation. (Contributed by Thierry Arnoux, 1-Oct-2018.) |
| Ref | Expression |
|---|---|
| ovif2 | ⊢ (𝐴𝐹if(𝜑, 𝐵, 𝐶)) = if(𝜑, (𝐴𝐹𝐵), (𝐴𝐹𝐶)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | oveq2 7364 | . 2 ⊢ (if(𝜑, 𝐵, 𝐶) = 𝐵 → (𝐴𝐹if(𝜑, 𝐵, 𝐶)) = (𝐴𝐹𝐵)) | |
| 2 | oveq2 7364 | . 2 ⊢ (if(𝜑, 𝐵, 𝐶) = 𝐶 → (𝐴𝐹if(𝜑, 𝐵, 𝐶)) = (𝐴𝐹𝐶)) | |
| 3 | 1, 2 | ifsb 4468 | 1 ⊢ (𝐴𝐹if(𝜑, 𝐵, 𝐶)) = if(𝜑, (𝐴𝐹𝐵), (𝐴𝐹𝐶)) |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1547 ifcif 4454 (class class class)co 7356 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-ext 2711 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-sb 2074 df-clab 2718 df-cleq 2731 df-clel 2814 df-rab 3392 df-v 3433 df-dif 3886 df-un 3888 df-ss 3900 df-nul 4262 df-if 4455 df-sn 4556 df-pr 4558 df-op 4562 df-uni 4839 df-br 5073 df-iota 6441 df-fv 6493 df-ov 7359 |
| This theorem is referenced by: ramcl 16991 psrascl 21953 selvvvval 22118 psdmvr 22157 matsc 22433 scmatscmide 22490 mulmarep1el 22555 maducoeval2 22623 madugsum 22626 itg2const 25725 itg2monolem1 25735 iblmulc2 25816 itgmulc2lem1 25817 bddmulibl 25824 dchrvmasumiflem2 27483 rpvmasum2 27493 sgnneg 32925 itg2addnclem 38038 itgaddnclem2 38046 itgmulc2nclem1 38053 readvrec 42839 sqrtcval2 44086 |
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