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For the universal set U= {0,1,2,3,4,5,6,7}
And the sets A={1,5}, B={1,2,3,4}
And C= {4, 6} lists the elements in the following
Sets.

a. A ¢¯ B
b. A U Bf
c. A ¢¯(B U C)
d. C ¢¯ (B ¢¯ A)f

U means: state all elements that you find in either one set OR the other

¡û means: state all elements that you find in both one set AND the other

so let's do c)

A ¡û (B U C)
= A ¡û {1,2,3,4,6}
= {1,5} ¡û {1,2,3,4,6}
={1}
U means: state all elements that you find in either one set OR the other

¡û means: state all elements that you find in both one set AND the other

so let's do c)

A ¡û (B U C)
= A ¡û {1,2,3,4,6}
= {1,5} ¡û {1,2,3,4,6}
={1}

Do i have a correct. {1, 5}
I do not get D. can you explain it to me?

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