Metamath Proof Explorer


Theorem simp11r

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

Ref Expression
Assertion simp11r φ ψ χ θ τ η ψ

Proof

Step Hyp Ref Expression
1 simp1r φ ψ χ θ ψ
2 1 3ad2ant1 φ ψ χ θ τ η ψ