Theorem bnj706

Description: /\ -manipulation. (Contributed by Jonathan Ben-Naim, 3-Jun-2011) (New usage is discouraged.)

	Ref	Expression
Hypothesis	bnj706.1	|- ( ps -> ta )
Assertion	bnj706	|- ( ( ph /\ ps /\ ch /\ th ) -> ta )

Proof

Step	Hyp	Ref	Expression
1		bnj706.1	|- ( ps -> ta )
2		bnj643	|- ( ( ph /\ ps /\ ch /\ th ) -> ps )
3	2 1	syl	|- ( ( ph /\ ps /\ ch /\ th ) -> ta )