old_contents: # generate all pairs of mutually exclusive RCC5 relations
  
  base5 = ['eq(X,Y)', 'dr(X,Y)', 'pp(X,Y)', 'ppi(X,Y)', 'po(X,Y)']
  
  N = len(base5)
  
  for i in range(N):
      for j in range(i+1,N):
          print ":- {0}, {1}.".format(base5[i],base5[j])
  
  
new_contents: # generate all pairs of mutually exclusive RCC5 relations
  
  base5 = ['eq(X,Y)', 'dr(X,Y)', 'pp(X,Y)', 'pi(X,Y)', 'po(X,Y)']
  
  N = len(base5)
  
  for i in range(N):
      for j in range(i+1,N):
          print ":- {0}, {1}.".format(base5[i],base5[j])
  
  
subject: Update gen-mutex-pairs.py