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	⊢ ( 𝜑 → 𝜓 )
Assertion	rexlimivwOLD	⊢ ( ∃ 𝑥 ∈ 𝐴 𝜑 → 𝜓 )

Proof

Step	Hyp	Ref	Expression
1		rexlimivwOLD.1	⊢ ( 𝜑 → 𝜓 )
2	1	a1i	⊢ ( 𝑥 ∈ 𝐴 → ( 𝜑 → 𝜓 ) )
3	2	rexlimiv	⊢ ( ∃ 𝑥 ∈ 𝐴 𝜑 → 𝜓 )