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Theorem simp1l 979
Description: Simplification of triple conjunction. (Contributed by NM, 9-Nov-2011.)
Assertion
Ref Expression
simp1l

Proof of Theorem simp1l
StepHypRef Expression
1 simpl 443 . 2
213ad2ant1 976 1
Colors of variables: wff setvar class
Syntax hints:   wi 4   wa 358   w3a 934
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 177  df-an 360  df-3an 936
This theorem is referenced by:  simpl1l  1006  simpr1l  1012  simp11l  1066  simp21l  1072  simp31l  1078  ncfindi  4475  tfinpw1  4494  tfinltfinlem1  4500  nnpweq  4523  sfintfin  4532  sfinltfin  4535
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