Write the negative of the statement.?x [m(x) ? n(x)]

A. ?x [~m(x) ? n(x)]
B. ?x [m(x) ? ~n(x)]
C. ?x [~m(x) ? n(x)]
D. ?x [m(x) ? ~n(x)]


Answer: B

Mathematics

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The lists below show five agricultural crops in Alabama, Arkansas, and Louisiana.AlabamaArkansasLouisianasoybeans (s)soybeans (s)soybeans (s) peanuts (p)rice (r)sugarcane (n)corn (c)cotton (t)rice (r)hay (h)hay (h)corn (c)wheat (w)wheat (w)cotton (t)Let U be the smallest possible universal set that includes all of the crops listed, and let A, K and L be the sets of five crops in Alabama, Arkansas, and Louisiana, respectively. Find each of the following sets.A ? L

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Mathematics