Theorem anabss7p1 39014

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 862. (Contributed by Alan Sare, 4-Feb-2017.) (Proof modification is discouraged.) (New usage is discouraged.)

Hypothesis

Ref	Expression
anabss7p1.1	|- ( ( ( ps /\ ph ) /\ ph ) -> ch )

Assertion

Ref	Expression
anabss7p1	|- ( ( ps /\ ph ) -> ch )

Proof of Theorem anabss7p1

Step	Hyp	Ref	Expression
1		anabss7p1.1	. 2 |- ( ( ( ps /\ ph ) /\ ph ) -> ch )
2	1	anabss3 864	1 |- ( ( ps /\ ph ) -> ch )

Syntax hints:   -> wi 4   /\ wa 384

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8

This theorem depends on definitions:  df-bi 197  df-an 386

This theorem is referenced by: (None)