Metamath Proof Explorer
Description: Inference quantifying both antecedent and consequent. (Contributed by NM, 5-Jan-1993)
|
|
Ref |
Expression |
|
Hypothesis |
alimi.1 |
⊢ ( 𝜑 → 𝜓 ) |
|
Assertion |
alimi |
⊢ ( ∀ 𝑥 𝜑 → ∀ 𝑥 𝜓 ) |
Proof
Step |
Hyp |
Ref |
Expression |
1 |
|
alimi.1 |
⊢ ( 𝜑 → 𝜓 ) |
2 |
|
alim |
⊢ ( ∀ 𝑥 ( 𝜑 → 𝜓 ) → ( ∀ 𝑥 𝜑 → ∀ 𝑥 𝜓 ) ) |
3 |
2 1
|
mpg |
⊢ ( ∀ 𝑥 𝜑 → ∀ 𝑥 𝜓 ) |