Theorem 3imp2

Description: Importation to right triple conjunction. (Contributed by NM, 26-Oct-2006)

	Ref	Expression
Hypothesis	3imp1.1	|- ( ph -> ( ps -> ( ch -> ( th -> ta ) ) ) )
Assertion	3imp2	|- ( ( ph /\ ( ps /\ ch /\ th ) ) -> ta )

Proof

Step	Hyp	Ref	Expression
1		3imp1.1	|- ( ph -> ( ps -> ( ch -> ( th -> ta ) ) ) )
2	1	3impd	|- ( ph -> ( ( ps /\ ch /\ th ) -> ta ) )
3	2	imp	|- ( ( ph /\ ( ps /\ ch /\ th ) ) -> ta )