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Mirrors > Home > ILE Home > Th. List > 3adant2l | GIF version |
Description: Deduction adding a conjunct to antecedent. (Contributed by NM, 8-Jan-2006.) |
Ref | Expression |
---|---|
3adant1l.1 | ⊢ ((𝜑 ∧ 𝜓 ∧ 𝜒) → 𝜃) |
Ref | Expression |
---|---|
3adant2l | ⊢ ((𝜑 ∧ (𝜏 ∧ 𝜓) ∧ 𝜒) → 𝜃) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 3adant1l.1 | . . . 4 ⊢ ((𝜑 ∧ 𝜓 ∧ 𝜒) → 𝜃) | |
2 | 1 | 3com12 1207 | . . 3 ⊢ ((𝜓 ∧ 𝜑 ∧ 𝜒) → 𝜃) |
3 | 2 | 3adant1l 1230 | . 2 ⊢ (((𝜏 ∧ 𝜓) ∧ 𝜑 ∧ 𝜒) → 𝜃) |
4 | 3 | 3com12 1207 | 1 ⊢ ((𝜑 ∧ (𝜏 ∧ 𝜓) ∧ 𝜒) → 𝜃) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∧ wa 104 ∧ w3a 978 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 |
This theorem depends on definitions: df-bi 117 df-3an 980 |
This theorem is referenced by: sbthlemi4 6958 addassnqg 7380 mulassnqg 7382 prmuloc 7564 ltpopr 7593 addasssrg 7754 axaddass 7870 |
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