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Theorem ifov 7493
Description: Move a conditional outside of an operation. (Contributed by AV, 11-Nov-2019.)
Assertion
Ref Expression
ifov (𝐴if(𝜑, 𝐹, 𝐺)𝐵) = if(𝜑, (𝐴𝐹𝐵), (𝐴𝐺𝐵))

Proof of Theorem ifov
StepHypRef Expression
1 oveq 7396 . 2 (if(𝜑, 𝐹, 𝐺) = 𝐹 → (𝐴if(𝜑, 𝐹, 𝐺)𝐵) = (𝐴𝐹𝐵))
2 oveq 7396 . 2 (if(𝜑, 𝐹, 𝐺) = 𝐺 → (𝐴if(𝜑, 𝐹, 𝐺)𝐵) = (𝐴𝐺𝐵))
31, 2ifsb 4505 1 (𝐴if(𝜑, 𝐹, 𝐺)𝐵) = if(𝜑, (𝐴𝐹𝐵), (𝐴𝐺𝐵))
Colors of variables: wff setvar class
Syntax hints:   = wceq 1540  ifcif 4491  (class class class)co 7390
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1795  ax-4 1809  ax-5 1910  ax-6 1967  ax-7 2008  ax-8 2111  ax-9 2119  ax-ext 2702
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-tru 1543  df-ex 1780  df-sb 2066  df-clab 2709  df-cleq 2722  df-clel 2804  df-v 3452  df-ss 3934  df-if 4492  df-uni 4875  df-br 5111  df-iota 6467  df-fv 6522  df-ov 7393
This theorem is referenced by:  monmatcollpw  22673
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