Ehlers, Henry: LOGIC BY WAY OF SET THEORY
Book Number: 001838
Holt, Rinehart and Winston New York 1968 8vo - over 7¾" - 9¾" tall xi, + 386pp., b/w intext line drawings. Book clean, square. Spine firm. Leaves clean. Laminated, printed card wrapper mildly splayed and edgeworn. Contents, in 'parts', include: Preface, Introduction, Part 1. Sets [Classes, terms]. 2. Propositions. 3. Inferences. Index. Book weight approx. 560g.