 first, its greater sophistication as regards language, and the interpenetration of language and inquiry, second, its attempt to follow the modern example of the sciences in empirical spirit, in rigor, in attention to detail, in respect for alternatives, and in objectivity of method, and third, its use of techniques of symbolic logic brought to full development only in the last fifty years… It is…this union of scientific spirit and logical method applied toward the clarification of basic ideas that characterizes current analytic philosophy [and that ought to characterize analytic philosophy of education]. (Scheffler 1973 [1989: 9–10])