def can_provide_for(self, other):
"""Check if the set of behaviours is smaller or equal in the other set of behaviours but on the types"""
variables = self.variables + other.variables
proposition = Implies(self.formula, other.formula)
for v in variables.list:
proposition = proposition.replace(v.name, v.port_type)
return check_validity(variables.get_nusmv_types(), proposition)
def __ge__(self, other: 'LTL'):
if self.is_true():
return True
"""Check if the set of behaviours is bigger of equal than the other set of behaviours"""
variables_a = set(self.variables.get_nusmv_names())
variables_b = set(other.variables.get_nusmv_names())
variables = variables_a | variables_b
return check_validity(list(variables), "((" + other.formula + ") -> (" + self.formula + "))")
def __le__(self, other: 'LTL'):
if other.is_true():
return True
"""Check if the set of behaviours is smaller or equal in the other set of behaviours"""
variables_a = set(self.variables.get_nusmv_names())
variables_b = set(other.variables.get_nusmv_names())
if len(variables_b & variables_a) > 0:
variables = variables_a | variables_b
return check_validity(list(variables), "((" + self.formula + ") -> (" + other.formula + "))")
return False