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Theorem simp311 1316
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 1199 . 2 (((𝜑𝜓𝜒) ∧ 𝜃𝜏) → 𝜑)
213ad2ant3 1131 1 ((𝜂𝜁 ∧ ((𝜑𝜓𝜒) ∧ 𝜃𝜏)) → 𝜑)
Colors of variables: wff setvar class
Syntax hints:  wi 4  w3a 1083
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 209  df-an 399  df-3an 1085
This theorem is referenced by:  dalem-clpjq  36772  dath2  36872  cdleme26e  37494  cdleme38m  37598  cdleme38n  37599  cdleme39n  37601  cdlemg28b  37838  cdlemk7  37983  cdlemk11  37984  cdlemk12  37985  cdlemk7u  38005  cdlemk11u  38006  cdlemk12u  38007  cdlemk22  38028  cdlemk23-3  38037  cdlemk25-3  38039
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