To Evander Bradley McGilvary, the work "assured De­wey a place among the world’s great logicians.”William Gruen thought “No treatise on logic ever written has had as direct and vital an impact on social life as Dewey’s will have.”Paul Weiss called it the “source and inspiration of a new and powerful movement.”Irwin Edman said of it, “Most phi­losophers write postscripts; Dewey has made a program. His Logic is a new charter for liberal intelligence.”Ernest Nagel called the Logic an im­pressive work. “Its unique virtue is to bring fresh illumination to its subject by stressing the roles logical principles and concepts have in achieving the ob­jectives of scientific inquiry.”Many of the earliest books, particularly those dating back to the 1900s and before, are now extremely scarce and increasingly expensive. We are republishing these classic works in affordable, high quality, modern editions, using the original text and artwork.

    Among many other things, he is famous for his attempt to axiomatize mathematics. This text is his treatment of symbolic logic which lays the groundwork for his later work with Bernays. This translation is based on the second German edition, and has been modified according to the criticisms of Church and Quine. In particular, the authors' original formulation of Godel's completeness proof for the predicate calculus has been updated."