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Theorem ovif 7522
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 7431 . 2 (if(𝜑, 𝐴, 𝐵) = 𝐴 → (if(𝜑, 𝐴, 𝐵)𝐹𝐶) = (𝐴𝐹𝐶))
2 oveq1 7431 . 2 (if(𝜑, 𝐴, 𝐵) = 𝐵 → (if(𝜑, 𝐴, 𝐵)𝐹𝐶) = (𝐵𝐹𝐶))
31, 2ifsb 4495 1 (if(𝜑, 𝐴, 𝐵)𝐹𝐶) = if(𝜑, (𝐴𝐹𝐶), (𝐵𝐹𝐶))
Colors of variables:    wff setvar class
This proof depends on syntax axioms:   = wceq 1569  ifcif 4481  (class class class)co 7424
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1827  ax-4 1841  ax-5 1942  ax-6 1999  ax-7 2040  ax-8 2146  ax-9 2154  ax-ext 2732
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3an 1105  df-tru 1572  df-fal 1582  df-ex 1812  df-sb 2099  df-clab 2739  df-cleq 2752  df-clel 2835  df-rab 3413  df-v 3452  df-ss 3897  df-dif 4046  df-un 4150  df-nul 4278  df-if 4482  df-sn 4585  df-pr 4587  df-op 4835  df-uni 4867  df-br 5103  df-iota 6497  df-fv 6551  df-ov 7427
This theorem is used by:  scmatscm  22837  pmatcollpwscmatlem1  23116  idpm2idmp  23128  monmat2matmon  23151  chmatval  23156  plyn0mulidp  26611  leibpi  27279  musumsum  27528  muinv  27529  dchrinvcl  27589  rpvmasum2  27848  padicabvcxp  27968  mplmulmvr  34221  pnfneige0  34633  ftc1anclem6  38725  reabssgn  44745  sqrtcval  44750  linc0scn0  49643
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