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Theorem simp311 1339
Description: Simplification of conjunction. (Contributed by NM, 9-Mar-2012.)
Assertion
Ref Expression
simp311 ((𝜂𝜁 ∧ ((𝜑𝜓𝜒) ∧ 𝜃𝜏)) → 𝜑)

Proof of Theorem simp311
StepHypRef Expression
1 simp11 1222 . 2 (((𝜑𝜓𝜒) ∧ 𝜃𝜏) → 𝜑)
213ad2ant3 1153 1 ((𝜂𝜁 ∧ ((𝜑𝜓𝜒) ∧ 𝜃𝜏)) → 𝜑)
Colors of variables: wff setvar class
Syntax hints:  wi 4  w3a 1103
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8
This theorem depends on definitions:  df-bi 210  df-an 401  df-3an 1105
This theorem is referenced by:  dalem-clpjq  40431  dath2  40531  cdleme26e  41153  cdleme38m  41257  cdleme38n  41258  cdleme39n  41260  cdlemg28b  41497  cdlemk7  41642  cdlemk11  41643  cdlemk12  41644  cdlemk7u  41664  cdlemk11u  41665  cdlemk12u  41666  cdlemk22  41687  cdlemk23-3  41696  cdlemk25-3  41698
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