Theorem bnj708

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

	Ref	Expression
Hypothesis	bnj708.1	|- ( th -> ta )
Assertion	bnj708	|- ( ( ph /\ ps /\ ch /\ th ) -> ta )

Proof

Step	Hyp	Ref	Expression
1		bnj708.1	|- ( th -> ta )
2		bnj645	|- ( ( ph /\ ps /\ ch /\ th ) -> th )
3	2 1	syl	|- ( ( ph /\ ps /\ ch /\ th ) -> ta )