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Please help me with the #4, #8, #4 of pg60

p.95 #4 IN YOUR OWN WORDS What do we mean by negation? Include as part of your answer the definition.

p.95 #8 According to the definition, which of the following examples are statements?

a. Dan and Mary were married on August 3, 1979.

b.

c. Do not read this sentence.

d. Do you have a cold?

p.60 #4 IN YOUR OWN WORDS What is the empty set?

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Solution Summary

The expert examines definition and formulas for negation.

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p. 95 #4 In layman's terms, a negation changes the truth value of a statement to its opposite.

Below is a definition of negation found on
http://regentsprep.org/Regents/Math/tables/negate.htm
In logic, a negation of a statement is formed by placing the
word "not" into the original ...

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