def clause_model_simp(m, c):
""" Simplify a clause by dropping literals while maintaining its truth in a model. """
res = []
for l in c:
if not is_ground_lit(l):
res.append(l)
continue
if isinstance(l.atom, ivy_logic.And):
print "clause_model_simp: {}".format(c)
v = m.eval(literal_to_z3(l))
if z3.is_true(v):
return [l]
if not z3.is_false(v):
res.append(l)
return res
def clause_model_simp(m, c):
""" Simplify a clause by dropping literals while maintaining its truth in a model. """
res = []
for l in c:
if not is_ground_lit(l):
res.append(l)
continue
# if isinstance(l.atom,ivy_logic.And):
# print "clause_model_simp: {}".format(c)
v = m.eval(literal_to_z3(l))
if z3.is_true(v):
return [l]
if not z3.is_false(v):
res.append(l)
return res