## Abstract

When one thinks of the new math introduced in the public schools about 1960, the first mathematical notion that comes to mind is that of sets. Using the notion of set, elementary school teachers are supposed to be able to better explain the basic ideas of arithmetic. Thus, one could conclude that every adult should know some set theory in order to carry on an intelligent conversation with elementary school children (about mathematics). Sets do provide a good foundation for many topics in mathematics. Therefore, set theory is an ideal topic to begin a survey of mathematics.

## Keywords

Boolean Algebra Venn Diagram Symmetric Difference Elementary School Teacher Playing Card
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## Copyright information

© Springer-Verlag New York Inc. 1978