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f(a,b,c,d) = summation of minterms(0,1,4,5,10,11,14)
The function f'(a,b,c,d) = summation of minterms(2,3,6,7,8,9,12,13,15)
a'b' a'b ab ab'
c'd' 1 1
cd' 1 1
cd 1
cd' 1 1
The one minimum solution for f and the two equally good solution ofr sum of products for f' are
f = a'c' + ab'c + acd'
f' = ac' + a'c + abd
f' = ac' + a'c + bcd
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