Metamath Proof Explorer


Theorem alim

Description: Restatement of Axiom ax-4 , for labeling consistency. It should be the only theorem using ax-4 . (Contributed by NM, 10-Jan-1993)

Ref Expression
Assertion alim ( ∀ 𝑥 ( 𝜑𝜓 ) → ( ∀ 𝑥 𝜑 → ∀ 𝑥 𝜓 ) )

Proof

Step Hyp Ref Expression
1 ax-4 ( ∀ 𝑥 ( 𝜑𝜓 ) → ( ∀ 𝑥 𝜑 → ∀ 𝑥 𝜓 ) )