Question

What is the difference between subset and proper subset?
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Answer 1

Answer:

Proper subset definition. A proper subset of a set A is a subset of A that is not equal to A. In other words, if B is a proper subset of A, then all elements of B are in A but A contains at least one element that is not in B. ... The set D={1,4} is not even a subset of A, since 4 is not an element of A.

Step-by-step explanation:

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Answer 2

Answer:

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