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| Mirrors > Home > ILE Home > Th. List > expcom | GIF version | ||
| Description: Exportation inference with commuted antecedents. (Contributed by NM, 25-May-2005.) | 
| Ref | Expression | 
|---|---|
| exp.1 | ⊢ ((𝜑 ∧ 𝜓) → 𝜒) | 
| Ref | Expression | 
|---|---|
| expcom | ⊢ (𝜓 → (𝜑 → 𝜒)) | 
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 1 | exp.1 | . . 3 ⊢ ((𝜑 ∧ 𝜓) → 𝜒) | |
| 2 | 1 | ex 115 | . 2 ⊢ (𝜑 → (𝜓 → 𝜒)) | 
| 3 | 2 | com12 30 | 1 ⊢ (𝜓 → (𝜑 → 𝜒)) | 
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