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What are proper subsets and improper subsets?

In: Math and Arithmetic [Edit categories]

Answer:

If set A is a subset of set B, that means that all elements in set A are also in set B. In the case of a proper subset, there is the additional specification that the two sets are not equal, i.e., there must be an element in set B that is not also an element of set A.

First answer by Hilmarz. Last edit by Hilmarz. Contributor trust: 802 [recommend contributor ]. Question popularity: 2 [recommend question].

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