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Theorem imorri 430
Description: Infer implication from disjunction. (Contributed by Jonathan Ben-Naim, 3-Jun-2011.)
Hypothesis
Ref Expression
imorri.1 𝜑𝜓)
Assertion
Ref Expression
imorri (𝜑𝜓)

Proof of Theorem imorri
StepHypRef Expression
1 imorri.1 . 2 𝜑𝜓)
2 imor 428 . 2 ((𝜑𝜓) ↔ (¬ 𝜑𝜓))
31, 2mpbir 221 1 (𝜑𝜓)
Colors of variables: wff setvar class
Syntax hints:  ¬ wn 3  wi 4  wo 383
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 197  df-or 385
This theorem is referenced by:  anmp  1673  meran2  32106  meran3  32107
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