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| Mirrors > Home > ILE Home > Th. List > simp3 | GIF version | ||
| Description: Simplification of triple conjunction. (Contributed by NM, 21-Apr-1994.) | 
| Ref | Expression | 
|---|---|
| simp3 | ⊢ ((𝜑 ∧ 𝜓 ∧ 𝜒) → 𝜒) | 
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 1 | 3simpc 998 | . 2 ⊢ ((𝜑 ∧ 𝜓 ∧ 𝜒) → (𝜓 ∧ 𝜒)) | |
| 2 | 1 | simprd 114 | 1 ⊢ ((𝜑 ∧ 𝜓 ∧ 𝜒) → 𝜒) | 
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