Definition: Disjoint Sets
- The set of all mammals and the set of all reptiles are disjoint.
- The set of all stars and the set of all planets are not disjoint.
| | | | | Contributors: bookofproofs | References: , 
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Bibliography (further reading)
 Kohar, Richard: “Basic Discrete Mathematics, Logic, Set Theory & Probability”, World Scientific, 2016
 Reinhardt F., Soeder H.: “dtv-Atlas zur Mathematik”, Deutsche Taschenbuch Verlag, 1994, 10