Math Problem Statement

Find the cardinality of set C = { 1, 5, 4, 11, 13}

Solution

The cardinality of a set is the number of elements it contains.

For the set C={1,5,4,11,13}C = \{1, 5, 4, 11, 13\}, there are 5 distinct elements.

Thus, the cardinality of set CC is 5.

Would you like further details or have any questions?

Here are 5 related questions:

  1. What is the cardinality of the set {2,7,9}\{2, 7, 9\}?
  2. How do we find the cardinality of an infinite set?
  3. Can a set have repeated elements when finding cardinality?
  4. What is the difference between cardinality and subsets?
  5. How do you calculate the cardinality of a Cartesian product of two sets?

Tip: The cardinality of a set only counts unique elements—duplicate elements are not considered.

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Math Problem Analysis

Mathematical Concepts

Set Theory
Cardinality

Formulas

Cardinality is the number of distinct elements in a set

Theorems

Basic Set Theory

Suitable Grade Level

Grades 6-8

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