Theorem simp3l3 1088

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

Assertion

Ref	Expression
simp3l3	|- ( ( ta /\ et /\ ( ( ph /\ ps /\ ch ) /\ th ) ) -> ch )

Proof of Theorem simp3l3

Step	Hyp	Ref	Expression
1		simpl3 986	. 2 |- ( ( ( ph /\ ps /\ ch ) /\ th ) -> ch )
2	1	3ad2ant3 1004	1 |- ( ( ta /\ et /\ ( ( ph /\ ps /\ ch ) /\ th ) ) -> ch )

Syntax hints:   -> wi 4   /\ wa 103   /\ w3a 962

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 105  ax-ia2 106  ax-ia3 107

This theorem depends on definitions:  df-bi 116  df-3an 964

This theorem is referenced by: (None)