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Mirrors > Home > ILE Home > Th. List > mpanr2 | GIF version |
Description: An inference based on modus ponens. (Contributed by NM, 3-May-1994.) (Proof shortened by Andrew Salmon, 7-May-2011.) (Proof shortened by Wolf Lammen, 7-Apr-2013.) |
Ref | Expression |
---|---|
mpanr2.1 | ⊢ 𝜒 |
mpanr2.2 | ⊢ ((𝜑 ∧ (𝜓 ∧ 𝜒)) → 𝜃) |
Ref | Expression |
---|---|
mpanr2 | ⊢ ((𝜑 ∧ 𝜓) → 𝜃) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | mpanr2.1 | . . 3 ⊢ 𝜒 | |
2 | 1 | jctr 313 | . 2 ⊢ (𝜓 → (𝜓 ∧ 𝜒)) |
3 | mpanr2.2 | . 2 ⊢ ((𝜑 ∧ (𝜓 ∧ 𝜒)) → 𝜃) | |
4 | 2, 3 | sylan2 284 | 1 ⊢ ((𝜑 ∧ 𝜓) → 𝜃) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∧ wa 103 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 |
This theorem is referenced by: op1steq 6139 fpmg 6631 pmresg 6633 pm54.43 7137 prarloclemarch2 7351 prarloclemlt 7425 prsradd 7718 muleqadd 8556 divdivap1 8610 addltmul 9084 elfzp1b 10022 elfzm1b 10023 expp1zap 10494 expm1ap 10495 fiinbas 12588 opnneissb 12696 blssec 12979 |
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