QLE Home Quantum Logic Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  QLE Home  >  Th. List  >  nomcon4 GIF version

Theorem nomcon4 305
Description: Lemma for "Non-Orthomodular Models..." paper. (Contributed by NM, 7-Feb-1999.)
Assertion
Ref Expression
nomcon4 (a4 b) = (b3 a )

Proof of Theorem nomcon4
StepHypRef Expression
1 nomcon1 302 . 2 (b1 a) = (a2 b )
2 nomb41 299 . 2 (a4 b) = (b1 a)
3 nomb32 300 . 2 (b3 a ) = (a2 b )
41, 2, 33tr1 63 1 (a4 b) = (b3 a )
Colors of variables: term
Syntax hints:   = wb 1   wn 4  1 wid1 18  2 wid2 19  3 wid3 20  4 wid4 21
This theorem was proved from axioms:  ax-a1 30  ax-a2 31  ax-r1 35  ax-r2 36  ax-r4 37  ax-r5 38
This theorem depends on definitions:  df-a 40  df-id1 50  df-id2 51  df-id3 52  df-id4 53
This theorem is referenced by:  nom54  335
  Copyright terms: Public domain W3C validator