def __new__(cls, input):
output = []
for item in input:
for new in disjuncts(item):
for old in output[:]:
if implies(new, old):
break
elif implies(old, new):
output.remove(old)
else:
output.append(new)
if not output:
return False
elif len(output) == 1:
return output[0]
return frozenset.__new__(cls, output)
def __new__(cls, input):
output = []
for item in input:
for new in disjuncts(item):
for old in output[:]:
if implies(new, old):
break
elif implies(old, new):
output.remove(old)
else:
output.append(new)
if not output:
return False
elif len(output) == 1:
return output[0]
return frozenset.__new__(cls, output)
def __new__(cls, input):
output = []
for new in input:
for old in output[:]:
if implies(old, new):
break
elif implies(new, old):
output.remove(old)
elif mutually_exclusive(new, old):
return False
else:
output.append(new)
if not output:
return True
elif len(output) == 1:
return output[0]
return frozenset.__new__(cls, output)
def __new__(cls, input):
output = []
for new in input:
for old in output[:]:
if implies(old, new):
break
elif implies(new, old):
output.remove(old)
elif mutually_exclusive(new, old):
return False
else:
output.append(new)
if not output:
return True
elif len(output) == 1:
return output[0]
return frozenset.__new__(cls, output)
