Source: wikibot/list-of-set-theory-topics
= List of set theory topics
{wiki=List_of_set_theory_topics}
Set theory is a branch of mathematical logic that deals with sets, which are collections of objects. Below is a list of topics commonly studied in set theory: 1. **Basic Definitions** - Sets, Elements, and Notation - Empty Set (Null Set) - Universal Set - Subsets - Proper Subsets 2.