Lecture
Equivalence Relations and Functions
Description
This lecture covers the concepts of equivalence relations and functions. It starts by explaining the product of sets and then delves into defining relations, equivalence classes, and equivalence relations. The lecture also discusses functions, including their properties, injectivity, surjectivity, and bijectivity. Examples are provided to illustrate these concepts, such as the relation between sets and the concept of reciprocal functions. The importance of understanding these fundamental mathematical concepts is highlighted throughout the lecture.
Official source
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