(self)
return self.is_bool_constant(False)
Test whether the formula is the False Boolean constant.
Test whether the formula is the False Boolean constant.
Test whether the formula is the False Boolean constant .
def is_false(self):
        """Test whether the formula is the False Boolean constant."""
        return self.is_bool_constant(False)
def is_false ( self ) : return self . is_bool_constant ( False )