Description: A deduction unionizing a non-unionized collection of virtual hypotheses. This would have been named uun221 if the 0th permutation did not exist in set.mm as anabss7 . (Contributed by Alan Sare, 4-Feb-2017) (Proof modification is discouraged.) (New usage is discouraged.)
Ref | Expression | ||
---|---|---|---|
Hypothesis | anabss7p1.1 | |- ( ( ( ps /\ ph ) /\ ph ) -> ch ) |
|
Assertion | anabss7p1 | |- ( ( ps /\ ph ) -> ch ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | anabss7p1.1 | |- ( ( ( ps /\ ph ) /\ ph ) -> ch ) |
|
2 | 1 | anabss3 | |- ( ( ps /\ ph ) -> ch ) |