Скачать или смотреть Partitions of a Set | Set Theory

What is a partition of a set? Partitions are very useful in many different areas of mathematics, so it's an important concept to understand. We'll define partitions of sets and give examples in today's lesson!

A partition of a set is basically a way of splitting a set completely into disjoint parts. In other words, if S is a set, then a partition P of S is a collection of nonempty subsets of S such that every element of S is in exactly one element of P. In other words, S is being split into nonempty disjoint subsets such that every element of S is in exactly one of those subsets, and if we put those subsets in a set P - then P is a partition of S.

Lesson on subsets:    • What is a Subset?  
Lesson on disjoint sets:    • What are Disjoint Sets? | Set Theory  



I hope you find this video helpful, and be sure to ask any questions down in the comments!

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