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Mirrors > Home > MPE Home > Th. List > simp2 | Structured version Visualization version GIF version |
Description: Simplification of triple conjunction. (Contributed by NM, 21-Apr-1994.) (Proof shortened by Wolf Lammen, 22-Jun-2022.) |
Ref | Expression |
---|---|
simp2 | ⊢ ((𝜑 ∧ 𝜓 ∧ 𝜒) → 𝜓) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | id 22 | . 2 ⊢ (𝜓 → 𝜓) | |
2 | 1 | 3ad2ant2 1132 | 1 ⊢ ((𝜑 ∧ 𝜓 ∧ 𝜒) → 𝜓) |
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