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Mirrors > Home > MPE Home > Th. List > expd | Structured version Visualization version GIF version |
Description: Exportation deduction. (Contributed by NM, 20-Aug-1993.) (Proof shortened by Wolf Lammen, 28-Jul-2022.) |
Ref | Expression |
---|---|
expd.1 | ⊢ (𝜑 → ((𝜓 ∧ 𝜒) → 𝜃)) |
Ref | Expression |
---|---|
expd | ⊢ (𝜑 → (𝜓 → (𝜒 → 𝜃))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | expd.1 | . . 3 ⊢ (𝜑 → ((𝜓 ∧ 𝜒) → 𝜃)) | |
2 | 1 | expdcom 414 | . 2 ⊢ (𝜓 → (𝜒 → (𝜑 → 𝜃))) |
3 | 2 | com3r 87 | 1 ⊢ (𝜑 → (𝜓 → (𝜒 → 𝜃))) |
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