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Theorem simp212 1311
Description: Simplification of conjunction. (Contributed by NM, 9-Mar-2012.)
Assertion
Ref Expression
simp212 ((𝜂 ∧ ((𝜑𝜓𝜒) ∧ 𝜃𝜏) ∧ 𝜁) → 𝜓)

Proof of Theorem simp212
StepHypRef Expression
1 simp12 1203 . 2 (((𝜑𝜓𝜒) ∧ 𝜃𝜏) → 𝜓)
213ad2ant2 1133 1 ((𝜂 ∧ ((𝜑𝜓𝜒) ∧ 𝜃𝜏) ∧ 𝜁) → 𝜓)
Colors of variables: wff setvar class
Syntax hints:  wi 4  w3a 1086
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 207  df-an 396  df-3an 1088
This theorem is referenced by:  cdleme27a  40349  cdlemk5u  40843  cdlemk6u  40844  cdlemk7u  40852  cdlemk11u  40853  cdlemk12u  40854  cdlemk7u-2N  40870  cdlemk11u-2N  40871  cdlemk12u-2N  40872  cdlemk20-2N  40874  cdlemk22  40875  cdlemk22-3  40883  cdlemk33N  40891  cdlemk53b  40938  cdlemk53  40939  cdlemk55a  40941  cdlemkyyN  40944  cdlemk43N  40945
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