How Many Choices for B?
Difficulty: Medium · Topics: Discrete Mathematics, Sets, Subsets
U=\xmid x is an odd one-digit natural number\ and A, B are subsets of U with
A=\1,3,7\, A^ccap B^c=\5\.
How many sets B are possible?
Difficulty: Medium · Topics: Discrete Mathematics, Sets, Subsets
U=\xmid x is an odd one-digit natural number\ and A, B are subsets of U with
A=\1,3,7\, A^ccap B^c=\5\.
How many sets B are possible?