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Theorem ovif 7514
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 7423 . 2 (if(𝜑, 𝐴, 𝐵) = 𝐴 → (if(𝜑, 𝐴, 𝐵)𝐹𝐶) = (𝐴𝐹𝐶))
2 oveq1 7423 . 2 (if(𝜑, 𝐴, 𝐵) = 𝐵 → (if(𝜑, 𝐴, 𝐵)𝐹𝐶) = (𝐵𝐹𝐶))
31, 2ifsb 4503 1 (if(𝜑, 𝐴, 𝐵)𝐹𝐶) = if(𝜑, (𝐴𝐹𝐶), (𝐵𝐹𝐶))
Colors of variables:    wff setvar class
This proof depends on syntax axioms:   = wceq 1570  ifcif 4489  (class class class)co 7416
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1828  ax-4 1842  ax-5 1943  ax-6 2000  ax-7 2041  ax-8 2148  ax-9 2156  ax-ext 2737
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1813  df-sb 2100  df-clab 2744  df-cleq 2757  df-clel 2840  df-rab 3419  df-v 3459  df-dif 3909  df-un 3911  df-ss 3923  df-nul 4287  df-if 4490  df-sn 4592  df-pr 4594  df-op 4598  df-uni 4875  df-br 5112  df-iota 6496  df-fv 6548  df-ov 7419
This theorem is used by:  scmatscm  22700  pmatcollpwscmatlem1  22976  idpm2idmp  22988  monmat2matmon  23011  chmatval  23016  plyn0mulidp  26473  leibpi  27138  musumsum  27387  muinv  27388  dchrinvcl  27448  rpvmasum2  27707  padicabvcxp  27827  mplmulmvr  33969  pnfneige0  34381  ftc1anclem6  38382  reabssgn  44395  sqrtcval  44400  linc0scn0  49236
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