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Theorem ancomst 463
Description: Closed form of ancoms 457. (Contributed by Alan Sare, 31-Dec-2011.)
Assertion
Ref Expression
ancomst (((𝜑𝜓) → 𝜒) ↔ ((𝜓𝜑) → 𝜒))

Proof of Theorem ancomst
StepHypRef Expression
1 ancom 459 . 2 ((𝜑𝜓) ↔ (𝜓𝜑))
21imbi1i 348 1 (((𝜑𝜓) → 𝜒) ↔ ((𝜓𝜑) → 𝜒))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 205  wa 394
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8
This theorem depends on definitions:  df-bi 206  df-an 395
This theorem is referenced by:  sbcom2  2162  ralcom  3284  ralcomf  3297  ovolgelb  25429  itg2leub  25684  nmoubi  30602  wl-sbcom2d  37061  ifpidg  42952  undmrnresiss  43065  ntrneiiso  43552  expcomdg  43970
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