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Theorem adantrlr 476
Description: Deduction adding a conjunct to antecedent. (Contributed by NM, 26-Dec-2004.) (Proof shortened by Wolf Lammen, 4-Dec-2012.)
Hypothesis
Ref Expression
adantr2.1 ((𝜑 ∧ (𝜓𝜒)) → 𝜃)
Assertion
Ref Expression
adantrlr ((𝜑 ∧ ((𝜓𝜏) ∧ 𝜒)) → 𝜃)

Proof of Theorem adantrlr
StepHypRef Expression
1 simpl 108 . 2 ((𝜓𝜏) → 𝜓)
2 adantr2.1 . 2 ((𝜑 ∧ (𝜓𝜒)) → 𝜃)
31, 2sylanr1 401 1 ((𝜑 ∧ ((𝜓𝜏) ∧ 𝜒)) → 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:  genpdisj  7343  ltexprlemdisj  7426  addcanprlemu  7435  addsrmo  7563  mulsrmo  7564
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