Metamath Proof Explorer


Theorem simp32r

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

Ref Expression
Assertion simp32r τηχφψθψ

Proof

Step Hyp Ref Expression
1 simp2r χφψθψ
2 1 3ad2ant3 τηχφψθψ