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If D = {1, 2, 3, 4}, how many proper subsets does D have?

Practice Questions

1 question
Q1
If D = {1, 2, 3, 4}, how many proper subsets does D have?
  1. 4
  2. 8
  3. 15
  4. 16

Questions & Step-by-step Solutions

1 item
Q
Q: If D = {1, 2, 3, 4}, how many proper subsets does D have?
Solution: The total number of subsets of D is 2^4 = 16. Proper subsets are all subsets except the set itself, so there are 16 - 1 = 15 proper subsets.
Steps: 0

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