+A **subset** is a collection where every element is also contained within a larger [Set](/wiki/Set). It represents a foundational concept in [Set Theory](/wiki/Set_Theory), signifying a portion or part of a whole.
+## See also
+- [Set](/wiki/Set)
+- [Superset](/wiki/Superset)
+- [Proper Subset](/wiki/Proper_Subset)
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