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| Mirrors > Home > ILE Home > Th. List > ralrimivva | GIF version | ||
| Description: Inference from Theorem 19.21 of [Margaris] p. 90. (Restricted quantifier version with double quantification.) (Contributed by Jeff Madsen, 19-Jun-2011.) | 
| Ref | Expression | 
|---|---|
| ralrimivva.1 | ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵)) → 𝜓) | 
| Ref | Expression | 
|---|---|
| ralrimivva | ⊢ (𝜑 → ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝜓) | 
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 1 | ralrimivva.1 | . . 3 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵)) → 𝜓) | |
| 2 | 1 | ex 115 | . 2 ⊢ (𝜑 → ((𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵) → 𝜓)) | 
| 3 | 2 | ralrimivv 2578 | 1 ⊢ (𝜑 → ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝜓) | 
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