Simplifying set theory a programmed text

Bibliographic Details
Main Author:	Marks, Rober W. 1907-1993 (Author)
Format:	Book
Language:	English
Published:	Toronto Bantam Books 1966.
Edition:	Bantam unifact edition.
Series:	Unifact book SU4
Subjects:	Set (Psychology) Reasoning. Practical reason. Critical thinking.