Theorem exp32

Description: An exportation inference. (Contributed by NM, 26-Apr-1994)

	Ref	Expression
Hypothesis	exp32.1	|- ( ( ph /\ ( ps /\ ch ) ) -> th )
Assertion	exp32	|- ( ph -> ( ps -> ( ch -> th ) ) )

Proof

Step	Hyp	Ref	Expression
1		exp32.1	|- ( ( ph /\ ( ps /\ ch ) ) -> th )
2	1	ex	|- ( ph -> ( ( ps /\ ch ) -> th ) )
3	2	expd	|- ( ph -> ( ps -> ( ch -> th ) ) )