Set Theory

This text is formulated on the fundamental idea that much of mathematics, including the classical number systems, can best be based on set theory. Beginning with a discussion of the rudiments of set theory, the authors lead readers through a construction of the natural number system and end with a d [...]
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This text is formulated on the fundamental idea that much of mathematics, including the classical number systems, can best be based on set theory. Beginning with a discussion of the rudiments of set theory, the authors lead readers through a construction of the natural number system and end with a discussion of the real numbers. Afterwards, students should be prepared for introductory courses in abstract algebra and real variables. 1961 edition.