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Mirrors > Home > MPE Home > Th. List > 3exp | Structured version Visualization version GIF version |
Description: Exportation inference. (Contributed by NM, 30-May-1994.) |
Ref | Expression |
---|---|
3exp.1 | ⊢ ((𝜑 ∧ 𝜓 ∧ 𝜒) → 𝜃) |
Ref | Expression |
---|---|
3exp | ⊢ (𝜑 → (𝜓 → (𝜒 → 𝜃))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | pm3.2an3 1240 | . 2 ⊢ (𝜑 → (𝜓 → (𝜒 → (𝜑 ∧ 𝜓 ∧ 𝜒)))) | |
2 | 3exp.1 | . 2 ⊢ ((𝜑 ∧ 𝜓 ∧ 𝜒) → 𝜃) | |
3 | 1, 2 | syl8 76 | 1 ⊢ (𝜑 → (𝜓 → (𝜒 → 𝜃))) |
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