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Theorem mpanl2 429
Description: An inference based on modus ponens. (Contributed by NM, 16-Aug-1994.) (Proof shortened by Andrew Salmon, 7-May-2011.)
Hypotheses
Ref Expression
mpanl2.1 𝜓
mpanl2.2 (((𝜑𝜓) ∧ 𝜒) → 𝜃)
Assertion
Ref Expression
mpanl2 ((𝜑𝜒) → 𝜃)

Proof of Theorem mpanl2
StepHypRef Expression
1 mpanl2.1 . . 3 𝜓
21jctr 311 . 2 (𝜑 → (𝜑𝜓))
3 mpanl2.2 . 2 (((𝜑𝜓) ∧ 𝜒) → 𝜃)
42, 3sylan 279 1 ((𝜑𝜒) → 𝜃)
Colors of variables: wff set class
Syntax hints:  wi 4  wa 103
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-mp 7  ax-ia1 105  ax-ia2 106  ax-ia3 107
This theorem is referenced by:  mpanr1  431  mp3an2  1271  reuss  3304  tfri3  6194  prarloclemarch2  7128  prarloclemlt  7202  prsradd  7481  pitonnlem2  7534  axcnre  7566  muleqadd  8290  divdivap2  8345  addltmul  8808
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