Subsets: Revision history

24 May 2025

• curprev 03:3703:37, 24 May 2025 Thakshashila talk contribs 2,590 bytes +2,590 Created page with "= Subsets - Definition, Types, and Examples = In set theory, a '''subset''' is a set whose elements all belong to another set. Subsets are fundamental in understanding the relationships between sets. == Definition of Subset == A set <math>A</math> is called a '''subset''' of a set <math>B</math> if every element of <math>A</math> is also an element of <math>B</math>. This is written as: <math>A \subseteq B</math> This means: <math>\forall x (x \in A \Rightarrow x \i..."