Theorem uunT21

Description: A deduction unionizing a non-unionized collection of virtual hypotheses. (Contributed by Alan Sare, 3-Dec-2015) (Proof modification is discouraged.) (New usage is discouraged.) (Proof modification is discouraged.) (New usage is discouraged.)

	Ref	Expression
Hypothesis	uunT21.1	|- ( ( T. /\ ( ph /\ ps ) ) -> ch )
Assertion	uunT21	|- ( ( ph /\ ps ) -> ch )

Proof

Step	Hyp	Ref	Expression
1		uunT21.1	|- ( ( T. /\ ( ph /\ ps ) ) -> ch )
2	1	uunT1	|- ( ( ph /\ ps ) -> ch )