Metamath Proof Explorer


Theorem animorr

Description: Conjunction implies disjunction with one common formula (2/4). (Contributed by BJ, 4-Oct-2019)

Ref Expression
Assertion animorr ( ( 𝜑𝜓 ) → ( 𝜒𝜓 ) )

Proof

Step Hyp Ref Expression
1 simpr ( ( 𝜑𝜓 ) → 𝜓 )
2 1 olcd ( ( 𝜑𝜓 ) → ( 𝜒𝜓 ) )