Luitgard Wundheiler and Alex Wundheiler. Some logical concepts for syntax. Machine translation of languages, Fourteen essays , edited by William N. Locke and A. Donald Booth, John Wiley a Sons, New York1955 (co-published with The Technology Press), pp. 194–207.

methodological notions, and therefore there are some types of reasoning which it does not cover. At the end of the paper the author presents an outline of his own classification of reasonings. For this he uses the intersection of two classifications, (1) of inferential processes, and (2) of problems to be solved by thinking. Under (1), inferential processes are divided into deductive, probable, and logically valueless; and under (2), problems of demonstration, problems of decision, and problems of complementation can be distinguished. In the reviewer's opinion, Ajdukiewicz's analysis is of great significance for methodology and publication of a major study concerning it would be desirable. BoLEStAW SOBOCINSKI