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

Theorem ovif 7511
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 7420 . 2 (if(𝜑, 𝐴, 𝐵) = 𝐴 → (if(𝜑, 𝐴, 𝐵)𝐹𝐶) = (𝐴𝐹𝐶))
2 oveq1 7420 . 2 (if(𝜑, 𝐴, 𝐵) = 𝐵 → (if(𝜑, 𝐴, 𝐵)𝐹𝐶) = (𝐵𝐹𝐶))
31, 2ifsb 4496 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 4482  (class class class)co 7413
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 2147  ax-9 2155  ax-ext 2732
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 2739  df-cleq 2752  df-clel 2835  df-rab 3413  df-v 3452  df-dif 3902  df-un 3904  df-ss 3916  df-nul 4280  df-if 4483  df-sn 4585  df-pr 4587  df-op 4591  df-uni 4868  df-br 5104  df-iota 6489  df-fv 6541  df-ov 7416
This theorem is used by:  scmatscm  22735  pmatcollpwscmatlem1  23014  idpm2idmp  23026  monmat2matmon  23049  chmatval  23054  plyn0mulidp  26511  leibpi  27179  musumsum  27428  muinv  27429  dchrinvcl  27489  rpvmasum2  27748  padicabvcxp  27868  mplmulmvr  34049  pnfneige0  34461  ftc1anclem6  38447  reabssgn  44476  sqrtcval  44481  linc0scn0  49353
  Copyright terms: Public domain W3C validator