Basic Set Theory by Exercises: Products and Unions.

Set theory is a very fundamental and interesting part of mathematics. Typically its basics are being taught in the first semester of a course in mathematics. Everybody who uses mathematics in some form should have a basic knowledge of this subject. In this series of articles I want to provide some nice exercises together with their solutions, that I discovered at various places. It is like everywhere…



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I am a mathematician and software developer who likes writing advanced code and to do research in applied and pure mathematics.