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Theorem syl2an3an 1280
 Description: syl3an 1262 with antecedents in standard conjunction form. (Contributed by Alan Sare, 31-Aug-2016.)
Hypotheses
Ref Expression
syl2an3an.1 (𝜑𝜓)
syl2an3an.2 (𝜑𝜒)
syl2an3an.3 (𝜃𝜏)
syl2an3an.4 ((𝜓𝜒𝜏) → 𝜂)
Assertion
Ref Expression
syl2an3an ((𝜑𝜃) → 𝜂)

Proof of Theorem syl2an3an
StepHypRef Expression
1 syl2an3an.1 . . 3 (𝜑𝜓)
2 syl2an3an.2 . . 3 (𝜑𝜒)
3 syl2an3an.3 . . 3 (𝜃𝜏)
4 syl2an3an.4 . . 3 ((𝜓𝜒𝜏) → 𝜂)
51, 2, 3, 4syl3an 1262 . 2 ((𝜑𝜑𝜃) → 𝜂)
653anidm12 1277 1 ((𝜑𝜃) → 𝜂)
 Colors of variables: wff set class Syntax hints:   → wi 4   ∧ wa 103   ∧ w3a 963 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 depends on definitions:  df-bi 116  df-3an 965 This theorem is referenced by:  expcnvap0  11381  efexp  11561  cncongr1  11960  uptx  12634  logbgcd1irr  13244
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