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Mirrors > Home > MPE Home > Th. List > ad2antrl | Structured version Visualization version GIF version |
Description: Deduction adding two conjuncts to antecedent. (Contributed by NM, 19-Oct-1999.) |
Ref | Expression |
---|---|
ad2ant.1 | ⊢ (𝜑 → 𝜓) |
Ref | Expression |
---|---|
ad2antrl | ⊢ ((𝜒 ∧ (𝜑 ∧ 𝜃)) → 𝜓) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ad2ant.1 | . . 3 ⊢ (𝜑 → 𝜓) | |
2 | 1 | adantl 481 | . 2 ⊢ ((𝜒 ∧ 𝜑) → 𝜓) |
3 | 2 | adantrr 713 | 1 ⊢ ((𝜒 ∧ (𝜑 ∧ 𝜃)) → 𝜓) |
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