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View Article  Boolean algebra
Let D70= {1, 2, 5, 7, 10, 14, 35, 70}, the divisors of 70. Show how D70 is made into a Boolean algebra.

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View Article  Dream Girl
One-half of Lily's age two years from now plus one-third of her age three years ago is twenty years. How old is she now?
View Article  Prime Implicants
Find the prime implicants of E=abc + a'c' +abc' +a'b'c +a'bc'