Metamath Proof Explorer


Theorem simp132

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

Ref Expression
Assertion simp132 θτφψχηζψ

Proof

Step Hyp Ref Expression
1 simp32 θτφψχψ
2 1 3ad2ant1 θτφψχηζψ