Source Code for Module Ganga.Utility.logic

 1   
 2  # Logical operators and helpers. 
 3   
 4 -def implies(p,q): 
 5      return not p or q 
 6   
 7 -def equivalent(p,q): 
 8      return (p and q) or (not p and not q) 
 9   
10 -def xor(p,q): 
11      return (p and not q) or (q and not p) 
12