Mathwords: Proper Subset

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Proper Subset

A subset which is not the same as the original set itself.

For example, {a, b} is a proper subset of {a, b, c}, but {a, b, c} is not a proper subset of {a, b, c}.

See also

Superset, infinte

this page updated 15-jul-23
Mathwords: Terms and Formulas from Algebra I to Calculus
written, illustrated, and webmastered by Bruce Simmons
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