Part: Basics about Sets
We start the study of set theory with the naive, historical set definition of Georg Cantor (1845  1918) as well as with some basic set operations.
Table of Contents
 Definition: Set, Set Element, Empty Set
 Definition: Universal Set
 Definition: Subset and Superset
 Definition: Power Set
 Chapter: Set Operations
 Definition: Index Set and Set Family
 Definition: Mutually Disjoint Sets
 Definition: Set Partition
 Definition: Generalized Union of Sets
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References
Bibliography
 Ebbinghaus, H.D.: "Einführung in die Mengenlehre", BI Wisschenschaftsverlag, 1994, 3th Edition