Metamath Proof Explorer


Theorem ralimiaa

Description: Inference quantifying both antecedent and consequent. (Contributed by NM, 4-Aug-2007)

Ref Expression
Hypothesis ralimiaa.1 ⊢ x ∈ A ∧ φ → ψ
Assertion ralimiaa ⊢ ∀ x ∈ A φ → ∀ x ∈ A ψ

Proof

Step Hyp Ref Expression
1 ralimiaa.1 ⊢ x ∈ A ∧ φ → ψ
2 1 ex ⊢ x ∈ A → φ → ψ
3 2 ralimia ⊢ ∀ x ∈ A φ → ∀ x ∈ A ψ