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Mirrors > Home > MPE Home > Th. List > anassrs | Structured version Visualization version GIF version |
Description: Associative law for conjunction applied to antecedent (eliminates syllogism). (Contributed by NM, 15-Nov-2002.) |
Ref | Expression |
---|---|
anassrs.1 | ⊢ ((𝜑 ∧ (𝜓 ∧ 𝜒)) → 𝜃) |
Ref | Expression |
---|---|
anassrs | ⊢ (((𝜑 ∧ 𝜓) ∧ 𝜒) → 𝜃) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | anassrs.1 | . . 3 ⊢ ((𝜑 ∧ (𝜓 ∧ 𝜒)) → 𝜃) | |
2 | 1 | exp32 424 | . 2 ⊢ (𝜑 → (𝜓 → (𝜒 → 𝜃))) |
3 | 2 | imp31 421 | 1 ⊢ (((𝜑 ∧ 𝜓) ∧ 𝜒) → 𝜃) |
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