Metamath Proof Explorer


Theorem simp2i

Description: Infer a conjunct from a triple conjunction. (Contributed by NM, 19-Apr-2005)

Ref Expression
Hypothesis 3simp1i.1 ( 𝜑𝜓𝜒 )
Assertion simp2i 𝜓

Proof

Step Hyp Ref Expression
1 3simp1i.1 ( 𝜑𝜓𝜒 )
2 simp2 ( ( 𝜑𝜓𝜒 ) → 𝜓 )
3 1 2 ax-mp 𝜓