Question

fill in the blank so that the resulting statement is true. the number of distinct elements in a set is called the
number of the set. if a represents the set, this number is represented by

Explanation:

This question tests the core terminology for set properties. The term for the count of distinct elements in a set is a standard set theory definition, and the notation for this value uses vertical bars around the set name.

Answer:

First blank: cardinal
Second blank: $|A|$