ILE Home Intuitionistic Logic Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  ILE Home  >  Th. List  >  simp32 Unicode version

Theorem simp32 1037
Description: Simplification of doubly triple conjunction. (Contributed by NM, 17-Nov-2011.)
Assertion
Ref Expression
simp32  |-  ( (
ph  /\  ps  /\  ( ch  /\  th  /\  ta ) )  ->  th )

Proof of Theorem simp32
StepHypRef Expression
1 simp2 1001 . 2  |-  ( ( ch  /\  th  /\  ta )  ->  th )
213ad2ant3 1023 1  |-  ( (
ph  /\  ps  /\  ( ch  /\  th  /\  ta ) )  ->  th )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ w3a 981
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 983
This theorem is referenced by:  simpl32  1082  simpr32  1091  simp132  1136  simp232  1145  simp332  1154  bitsfzo  12266
  Copyright terms: Public domain W3C validator