Let the universe of discourse be N. Write the following statement using quantifiers, logical connectives, and predicates such that • no negation symbol remains to be distributed over a quantifier or a logical connective, • each predicate describes either parity (e.g. “n is even.”), primality (e.g. “n is not prime.”), or an algebraic relationship among variables (e.g. “n2 = m”), • and no disjunction symbol is used. “Some even natural number greater than 4 cannot be written as a sum of two prime numbers.”

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter10: Inequalities
Section10.3: Solving Problems Involving Inequalities
Problem 27E
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Let the universe of discourse be N. Write the following statement using quantifiers, logical connectives, and predicates such that

• no negation symbol remains to be distributed over a quantifier or a logical connective,

• each predicate describes either parity (e.g. “n is even.”), primality (e.g. “n is not prime.”), or an algebraic relationship among variables (e.g. “n2 = m”),

• and no disjunction symbol is used.

“Some even natural number greater than 4 cannot be written as a sum of two prime numbers.”

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