Metamath Proof Explorer


Theorem simp2r2

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

Ref Expression
Assertion simp2r2 τ θ φ ψ χ η ψ

Proof

Step Hyp Ref Expression
1 simpr2 θ φ ψ χ ψ
2 1 3ad2ant2 τ θ φ ψ χ η ψ