Theorem 3impexpbicomi

Description: Inference associated with 3impexpbicom . Derived automatically from 3impexpbicomiVD . (Contributed by Alan Sare, 31-Dec-2011)

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

Proof

Step	Hyp	Ref	Expression
1		3impexpbicomi.1	|- ( ( ph /\ ps /\ ch ) -> ( th <-> ta ) )
2	1	bicomd	|- ( ( ph /\ ps /\ ch ) -> ( ta <-> th ) )
3	2	3exp	|- ( ph -> ( ps -> ( ch -> ( ta <-> th ) ) ) )