Theorem 3exp2

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

	Ref	Expression
Hypothesis	3exp2.1	|- ( ( ph /\ ( ps /\ ch /\ th ) ) -> ta )
Assertion	3exp2	|- ( ph -> ( ps -> ( ch -> ( th -> ta ) ) ) )

Proof

Step	Hyp	Ref	Expression
1		3exp2.1	|- ( ( ph /\ ( ps /\ ch /\ th ) ) -> ta )
2	1	ex	|- ( ph -> ( ( ps /\ ch /\ th ) -> ta ) )
3	2	3expd	|- ( ph -> ( ps -> ( ch -> ( th -> ta ) ) ) )