Metamath Proof Explorer


Theorem ralimi

Description: Inference quantifying both antecedent and consequent, with strong hypothesis. (Contributed by NM, 4-Mar-1997)

Ref Expression
Hypothesis ralimi.1 ( 𝜑𝜓 )
Assertion ralimi ( ∀ 𝑥𝐴 𝜑 → ∀ 𝑥𝐴 𝜓 )

Proof

Step Hyp Ref Expression
1 ralimi.1 ( 𝜑𝜓 )
2 1 a1i ( 𝑥𝐴 → ( 𝜑𝜓 ) )
3 2 ralimia ( ∀ 𝑥𝐴 𝜑 → ∀ 𝑥𝐴 𝜓 )