**Sets (Maths) - Notation, Types, Symbols & Examples**
https://byjus.com/maths/sets/

Sets are represented as a collection of well-defined objects or elements and it does not change from person to person. A set is represented by a capital letter. The number of elements in the finite set is known as the cardinal numberof a set. The sets are represented in curly braces, {}. For example, {2,3,4} or {a,b,c} or {Bat, Ball, Wickets}. The elements in the sets are depicted in either theStatement form, Roster Form or Set Builder Form.

Sets are** represented as a collection of well-defined objects or elements and it does not change from person to person.** A set is represented by a capital letter. The number of elements in the finite set is known as the cardinal numberof a set.

The sets are represented** in curly braces,** {}. For example, {2,3,4} or {a,b,c} or {Bat, Ball, Wickets}. The elements in the sets are depicted in either theStatement form, Roster Form or Set Builder Form.

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