MPE Home Metamath Proof Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >  ovif2 Structured version   Visualization version   GIF version

Theorem ovif2 7457
Description: Move a conditional outside of an operation. (Contributed by Thierry Arnoux, 1-Oct-2018.)
Assertion
Ref Expression
ovif2 (𝐴𝐹if(𝜑, 𝐵, 𝐶)) = if(𝜑, (𝐴𝐹𝐵), (𝐴𝐹𝐶))

Proof of Theorem ovif2
StepHypRef Expression
1 oveq2 7366 . 2 (if(𝜑, 𝐵, 𝐶) = 𝐵 → (𝐴𝐹if(𝜑, 𝐵, 𝐶)) = (𝐴𝐹𝐵))
2 oveq2 7366 . 2 (if(𝜑, 𝐵, 𝐶) = 𝐶 → (𝐴𝐹if(𝜑, 𝐵, 𝐶)) = (𝐴𝐹𝐶))
31, 2ifsb 4493 1 (𝐴𝐹if(𝜑, 𝐵, 𝐶)) = if(𝜑, (𝐴𝐹𝐵), (𝐴𝐹𝐶))
Colors of variables: wff setvar class
Syntax hints:   = wceq 1541  ifcif 4479  (class class class)co 7358
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1796  ax-4 1810  ax-5 1911  ax-6 1968  ax-7 2009  ax-8 2115  ax-9 2123  ax-ext 2708
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3an 1088  df-tru 1544  df-fal 1554  df-ex 1781  df-sb 2068  df-clab 2715  df-cleq 2728  df-clel 2811  df-rab 3400  df-v 3442  df-dif 3904  df-un 3906  df-ss 3918  df-nul 4286  df-if 4480  df-sn 4581  df-pr 4583  df-op 4587  df-uni 4864  df-br 5099  df-iota 6448  df-fv 6500  df-ov 7361
This theorem is referenced by:  ramcl  16957  psrascl  21934  psdmvr  22112  matsc  22394  scmatscmide  22451  mulmarep1el  22516  maducoeval2  22584  madugsum  22587  itg2const  25697  itg2monolem1  25707  iblmulc2  25788  itgmulc2lem1  25789  bddmulibl  25796  dchrvmasumiflem2  27469  rpvmasum2  27479  sgnneg  32914  itg2addnclem  37872  itgaddnclem2  37880  itgmulc2nclem1  37887  readvrec  42627  selvvvval  42838  sqrtcval2  43893
  Copyright terms: Public domain W3C validator