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Set (mathematics) - Wikipedia
Introduction to Sets - Math is Fun
Set Definition & Meaning - Merriam-Webster
SET definition and meaning | Collins English Dictionary
Sets - Definition, Symbols, Examples | Set Theory - Cuemath
set noun - Definition, pictures, pronunciation and usage notes
Set - Definition, Meaning & Synonyms | Vocabulary.com
What Are Sets? Definition, Types, Properties, Symbols, Examples
4.1: An Introduction to Sets - Mathematics LibreTexts
Set | Brilliant Math & Science Wiki