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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 7418 | . 2 ⊢ (if(𝜑, 𝐵, 𝐶) = 𝐵 → (𝐴𝐹if(𝜑, 𝐵, 𝐶)) = (𝐴𝐹𝐵)) | |
| 2 | oveq2 7418 | . 2 ⊢ (if(𝜑, 𝐵, 𝐶) = 𝐶 → (𝐴𝐹if(𝜑, 𝐵, 𝐶)) = (𝐴𝐹𝐶)) | |
| 3 | 1, 2 | ifsb 4501 | 1 ⊢ (𝐴𝐹if(𝜑, 𝐵, 𝐶)) = if(𝜑, (𝐴𝐹𝐵), (𝐴𝐹𝐶)) |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1570 ifcif 4487 (class class class)co 7410 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-ext 2735 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-sb 2097 df-clab 2742 df-cleq 2755 df-clel 2838 df-rab 3417 df-v 3457 df-dif 3908 df-un 3910 df-ss 3922 df-nul 4287 df-if 4488 df-sn 4590 df-pr 4592 df-op 4596 df-uni 4873 df-br 5110 df-iota 6492 df-fv 6544 df-ov 7413 |
| This theorem is referenced by: sgnneg 15133 ramcl 17084 psrascl 22128 selvvvval 22293 psdmvr 22332 matsc 22607 scmatscmide 22664 mulmarep1el 22729 maducoeval2 22797 madugsum 22800 itg2const 25899 itg2monolem1 25909 iblmulc2 25990 itgmulc2lem1 25991 bddmulibl 25998 dchrvmasumiflem2 27666 rpvmasum2 27676 itg2addnclem 38342 itgaddnclem2 38350 itgmulc2nclem1 38357 readvrec 43143 sqrtcval2 44388 |
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