“A set is a collection of distinct,symbols in ordered 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
“Point-set topology is a fundamental branch of topology, sometimes referred to as general...Point-set topology
“A relation R on a set A is transitive if when an element a is related to an element b, and b is...Transitive
“A countable set is an infinite set that has a bijection with the natural numbers. Each natural...Countable Set
“In set theory, counting is the act of placing things in a one-to-one correspondence with a...Countable set
“The Cartesian product of two sets A and B, denoted by , is the set of all possible ordered pairs...Cartesian product
This category has only the following subcategory.
- [×] Ordinal numbers (1 P)
Pages in category "Set theory"
The following 23 pages are in this category, out of 23 total.