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Theorem simp11 1058
Description: Simplification of doubly triple conjunction. (Contributed by NM, 17-Nov-2011.)
Assertion
Ref Expression
simp11 (((𝜑𝜓𝜒) ∧ 𝜃𝜏) → 𝜑)

Proof of Theorem simp11
StepHypRef Expression
1 simp1 1028 . 2 ((𝜑𝜓𝜒) → 𝜑)
213ad2ant1 1049 1 (((𝜑𝜓𝜒) ∧ 𝜃𝜏) → 𝜑)
Colors of variables: wff set class
Syntax hints:  wi 4  w3a 1009
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108
This theorem depends on definitions:  df-bi 117  df-3an 1011
This theorem is referenced by:  simpl11  1103  simpr11  1112  simp111  1157  simp211  1166  simp311  1175  frecsuclem  6671  coprimeprodsq  13019  pythagtriplem14  13039  pythagtrip  13045  clwwlknonex2  16663
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