Theorem rexlimivaOLD

Description: Obsolete version of rexlimiva as of 23-Dec-2024. (Contributed by NM, 18-Dec-2006) (Proof modification is discouraged.) (New usage is discouraged.)

	Ref	Expression
Hypothesis	rexlimivaOLD.1	|- ( ( x e. A /\ ph ) -> ps )
Assertion	rexlimivaOLD	|- ( E. x e. A ph -> ps )

Proof

Step	Hyp	Ref	Expression
1		rexlimivaOLD.1	|- ( ( x e. A /\ ph ) -> ps )
2	1	ex	|- ( x e. A -> ( ph -> ps ) )
3	2	rexlimiv	|- ( E. x e. A ph -> ps )