def boolean_ops():
 names = [u'negation', u'conjunction', u'disjunction', u'implication', u'equivalence']
 for pair in zip(names, [Tokens.NOT, Tokens.AND, Tokens.OR, Tokens.IMP, Tokens.IFF]):
  print((u'%-15s DCTB %s' % pair))

def boolean_ops ( ) : names = [ u'negation' , u'conjunction' , u'disjunction' , u'implication' , u'equivalence' ] for pair in zip ( names , [ Tokens . NOT , Tokens . AND , Tokens . OR , Tokens . IMP , Tokens . IFF ] ) : print ( ( u'%-15s DCTB %s' % pair ) )
boolean operators .