a 100100011
b 000110010
c 100000110
then find a-(buc) or au(b-c)?

Submitted by: Administrator
(buc)=100110110

(i) we know that (a-b)=a intersection b'

therefor a-(buc)=a intersection (buc)'

(buc)'=011001001

a intersection (buc)'=00000001=a-(buc)

(ii)similarly au(b-c)=100110011
Submitted by: Administrator

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