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Theorem ovif 7439
Description: Move a conditional outside of an operation. (Contributed by Thierry Arnoux, 25-Jan-2017.)
Assertion
Ref Expression
ovif (if(𝜑, 𝐴, 𝐵)𝐹𝐶) = if(𝜑, (𝐴𝐹𝐶), (𝐵𝐹𝐶))

Proof of Theorem ovif
StepHypRef Expression
1 oveq1 7348 . 2 (if(𝜑, 𝐴, 𝐵) = 𝐴 → (if(𝜑, 𝐴, 𝐵)𝐹𝐶) = (𝐴𝐹𝐶))
2 oveq1 7348 . 2 (if(𝜑, 𝐴, 𝐵) = 𝐵 → (if(𝜑, 𝐴, 𝐵)𝐹𝐶) = (𝐵𝐹𝐶))
31, 2ifsb 4484 1 (if(𝜑, 𝐴, 𝐵)𝐹𝐶) = if(𝜑, (𝐴𝐹𝐶), (𝐵𝐹𝐶))
Colors of variables: wff setvar class
Syntax hints:   = wceq 1541  ifcif 4470  (class class class)co 7341
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 2113  ax-9 2121  ax-ext 2703
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 2710  df-cleq 2723  df-clel 2806  df-rab 3396  df-v 3438  df-dif 3900  df-un 3902  df-ss 3914  df-nul 4279  df-if 4471  df-sn 4572  df-pr 4574  df-op 4578  df-uni 4855  df-br 5087  df-iota 6432  df-fv 6484  df-ov 7344
This theorem is referenced by:  scmatscm  22423  pmatcollpwscmatlem1  22699  idpm2idmp  22711  monmat2matmon  22734  chmatval  22739  leibpi  26874  musumsum  27124  muinv  27125  dchrinvcl  27186  rpvmasum2  27445  padicabvcxp  27565  pnfneige0  33956  plymulx0  34552  ftc1anclem6  37738  reabssgn  43669  sqrtcval  43674  linc0scn0  48455
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