Description: Closed form of simplbi2com . (Contributed by Alan Sare, 22-Jul-2012)
Ref | Expression | ||
---|---|---|---|
Assertion | simplbi2comt | |- ( ( ph <-> ( ps /\ ch ) ) -> ( ch -> ( ps -> ph ) ) ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | biimpr | |- ( ( ph <-> ( ps /\ ch ) ) -> ( ( ps /\ ch ) -> ph ) ) |
|
2 | 1 | expcomd | |- ( ( ph <-> ( ps /\ ch ) ) -> ( ch -> ( ps -> ph ) ) ) |