Metamath Proof Explorer


Theorem simp113

Description: Simplification of conjunction. (Contributed by NM, 9-Mar-2012)

Ref Expression
Assertion simp113 φ ψ χ θ τ η ζ χ

Proof

Step Hyp Ref Expression
1 simp13 φ ψ χ θ τ χ
2 1 3ad2ant1 φ ψ χ θ τ η ζ χ