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| Mirrors > Home > ILE Home > Th. List > 3ad2ant1 | GIF version | ||
| Description: Deduction adding conjuncts to an antecedent. (Contributed by NM, 21-Apr-2005.) |
| Ref | Expression |
|---|---|
| 3ad2ant.1 | ⊢ (𝜑 → 𝜒) |
| Ref | Expression |
|---|---|
| 3ad2ant1 | ⊢ ((𝜑 ∧ 𝜓 ∧ 𝜃) → 𝜒) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 3ad2ant.1 | . . 3 ⊢ (𝜑 → 𝜒) | |
| 2 | 1 | adantr 276 | . 2 ⊢ ((𝜑 ∧ 𝜃) → 𝜒) |
| 3 | 2 | 3adant2 1018 | 1 ⊢ ((𝜑 ∧ 𝜓 ∧ 𝜃) → 𝜒) |
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