Theorem rexlimivwOLD

Description: Obsolete version of rexlimivw as of 23-Dec-2024. (Contributed by FL, 19-Sep-2011) (Proof modification is discouraged.) (New usage is discouraged.)

	Ref	Expression
Hypothesis	rexlimivwOLD.1	$$⊢\phi \to \psi$$
Assertion	rexlimivwOLD	$$⊢\exists x\in A\phi \to \psi$$

Proof

Step	Hyp	Ref	Expression
1		rexlimivwOLD.1	$$⊢\phi \to \psi$$
2	1	a1i	$$⊢x\in A\to \left(\phi \to \psi \right)$$
3	2	rexlimiv	$$⊢\exists x\in A\phi \to \psi$$