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Mirrors > Home > ILE Home > Th. List > ralrimiva | GIF version |
Description: Inference from Theorem 19.21 of [Margaris] p. 90. (Restricted quantifier version.) (Contributed by NM, 2-Jan-2006.) |
Ref | Expression |
---|---|
ralrimiva.1 | ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → 𝜓) |
Ref | Expression |
---|---|
ralrimiva | ⊢ (𝜑 → ∀𝑥 ∈ 𝐴 𝜓) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ralrimiva.1 | . . 3 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → 𝜓) | |
2 | 1 | ex 114 | . 2 ⊢ (𝜑 → (𝑥 ∈ 𝐴 → 𝜓)) |
3 | 2 | ralrimiv 2538 | 1 ⊢ (𝜑 → ∀𝑥 ∈ 𝐴 𝜓) |
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