 Much of the attention to logical construction has focused on whether it is in fact a unified methodology for philosophy that will introduce a “scientific method in philosophy” as Russell says in the subtitle of (Russell 1914b). Commentators from Fritz (1952) through Sainsbury (1979) have denied that Russell’s various constructions fit into a unified methodology, as well as questioning the applicability of the language of “fiction” and “incomplete symbol” to all examples. Below it will be shown how, nevertheless, constructions do fall into several natural families that are described by various of these terms with a considerable degree of accuracy.