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| Mirrors > Home > ILE Home > Th. List > 3expia | GIF version | ||
| Description: Exportation from triple conjunction. (Contributed by NM, 19-May-2007.) | 
| Ref | Expression | 
|---|---|
| 3exp.1 | ⊢ ((𝜑 ∧ 𝜓 ∧ 𝜒) → 𝜃) | 
| Ref | Expression | 
|---|---|
| 3expia | ⊢ ((𝜑 ∧ 𝜓) → (𝜒 → 𝜃)) | 
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 1 | 3exp.1 | . . 3 ⊢ ((𝜑 ∧ 𝜓 ∧ 𝜒) → 𝜃) | |
| 2 | 1 | 3exp 1204 | . 2 ⊢ (𝜑 → (𝜓 → (𝜒 → 𝜃))) | 
| 3 | 2 | imp 124 | 1 ⊢ ((𝜑 ∧ 𝜓) → (𝜒 → 𝜃)) | 
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