Answer to Question #157294 in Discrete Mathematics for ken

Question #157294

Find the negation of each: 1.

∃

x ( (x+3=2) ^ (x

-

2 =1))

Expert's answer

"\\nexists x ( (x+3=2) \\land (x-2 =1)) = \\forall x (\\lnot(x+3=2) \\lor \\lnot (x-2 =1)) = \\forall x ((x+3\\ne2) \\lor (x-2 \\ne 1)) = \\forall x (x\\ne -1\\lor x\\ne 3)"

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