invReductionMembers('The \'Member\' referenced by the \'MemberReference\' at index i of a \'reduction\' shall be contained in or inherited by the \'StructuredDataType\' of the \'Member\' referenced by the \'MemberReference\' at index (i - 1) of that \'reduction\' or the \'StructuredDataType\' of the \'parameter\' if the \'MemberReference\' is the first element of the \'reduction\'.'+self.toString()):