Set theory Edit Classic editor History Talk0 855pages on this wiki Category page “A set is a collection of distinct,symbols unordered objects. Sets are typically collections of... Set “The cardinality of a set A, written as |A| or #(A), is the number of elements in A. Cardinality... Cardinality “In math, a relation (called R) inter two sets: a set A and a set B, is a subset of their... Relation between sets “A function (or more strictly, a well-defined function) is a rule that assigns to every element... Function “The Cartesian product of two sets A and B, denoted by , is the set of all possible ordered pairs... Cartesian product “A total order is a relation from a set to itself that satisfies the following properties for... Total order “Point-set topology is a fundamental branch of topology, sometimes referred to as general... Point-set topology “In set theory, counting is the act of placing things in a one-to-one correspondence with a... Countable set Pages in category "Set theory" The following 20 pages are in this category, out of 20 total. C Cardinality Cartesian product Complement (set theory) Countable setD DisjointE Element Equivalence relation F FunctionI Intersection (set theory)M Mapping MultisetP Point-set topology Power setR Relation between sets S Set Subset Symmetric differenceT Total orderU UnionV Venn diagram Media in category "Set theory" The following 3 files are in this category, out of 3 total. Alf0.PNG 18 KB Alf1.PNG 19 KB Alf2.PNG 19 KB Categories: Mathematics Add category Cancel Save