Question

Wyznacz podany zbiór:
A={2,7,1,3,5} B={5,3,4,6} C={1,3,4,8,9}
a) A/B =
b) (A/B)∩C =
c) (A/B)UC=
d) (A/B)/C=

Answer 1

A={1, 2, 3, 5, 7}
B={3, 4, 5, 6}
C={1, 3, 4, 8, 9}

A\B={1, 2, 7}

(A\B)∧C={1}

(A\B)∨C={1, 2, 3, 4, 7, 8, 9}

(A\B)\C={2, 7}