SOLUTION: For set B= {3} , determine n(B)

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Question 1111401: For set B= {3} , determine n(B)
Answer by ikleyn(52798) About Me  (Show Source):
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n(B) was not formally defined in the post.

Based on my common sense, I can assume that n(B) denotes the number of elements in the set B.

The set B contains one and only one element, according to its definition.

So, n(B) = 1.