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Theorem simpll3 1069
Description: Simplification of conjunction. (Contributed by NM, 9-Mar-2012.)
Assertion
Ref Expression
simpll3  |-  ( ( ( ( ph  /\  ps  /\  ch )  /\  th )  /\  ta )  ->  ch )

Proof of Theorem simpll3
StepHypRef Expression
1 simpl3 1033 . 2  |-  ( ( ( ph  /\  ps  /\ 
ch )  /\  th )  ->  ch )
21adantr 276 1  |-  ( ( ( ( ph  /\  ps  /\  ch )  /\  th )  /\  ta )  ->  ch )
Colors of variables:    wff set class
This proof depends on syntax axioms:    -> wi 4    /\ wa 104    /\ w3a 1009
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108
This proof depends on definitions:  df-bi 117  df-3an 1011
This theorem is used by:  frirrg  4495  fidceq  7171  fidifsnen  7172  en2eqpr  7214  iunfidisj  7260  fdcf1  7316  ordiso2  7376  addlocpr  7904  aptiprlemu  8008  xltadd1  10289  xlesubadd  10296  icoshftf1o  10404  fztri3or  10454  elfzonelfzo  10659  exp3val  10993  nn0ltexp2  11163  hashun  11261  swrdclg  11438  subcn2  12096  divalglemeuneg  12709  dvdslegcd  12760  lcmledvds  12867  rpdvds  12896  cncongr2  12901  qexpz  13154  iuncld  15307  iscnp4  15410  cnpnei  15411  cnconst2  15425  cnpdis  15434  txcn  15467  blssps  15619  blss  15620  metcnp3  15703  metcnp  15704  lgsfcl2  16291  lgsdir  16320  lgsne0  16323  eulerpathum  16888
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