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Mirrors > Home > MPE Home > Th. List > 3expa | Structured version Visualization version GIF version |
Description: Exportation from triple to double conjunction. (Contributed by NM, 20-Aug-1995.) |
Ref | Expression |
---|---|
3exp.1 | ⊢ ((𝜑 ∧ 𝜓 ∧ 𝜒) → 𝜃) |
Ref | Expression |
---|---|
3expa | ⊢ (((𝜑 ∧ 𝜓) ∧ 𝜒) → 𝜃) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 3exp.1 | . . 3 ⊢ ((𝜑 ∧ 𝜓 ∧ 𝜒) → 𝜃) | |
2 | 1 | 3exp 1256 | . 2 ⊢ (𝜑 → (𝜓 → (𝜒 → 𝜃))) |
3 | 2 | imp31 447 | 1 ⊢ (((𝜑 ∧ 𝜓) ∧ 𝜒) → 𝜃) |
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