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Solved: Express each of these statements using
Chapter 7, Problem 37E(choose chapter or problem)
Problem 37E
Express each of these statements using quantifiers. Then form the negation of the statement so that no negation is to the left of a quantifier. Next, express the negation in simple English. (Do not simply use the phrase “It is not the case that.”)
a) Every student in this class has taken exactly two mathematics classes at this school.
b) Someone has visited every country in the world except Libya.
c) No one has climbed every mountain in the Himalayas.
d) Every movie actor has either been in a movie with Kevin Bacon or has been in a movie with someone who has been in a movie with Kevin Bacon.
Questions & Answers
QUESTION:
Problem 37E
Express each of these statements using quantifiers. Then form the negation of the statement so that no negation is to the left of a quantifier. Next, express the negation in simple English. (Do not simply use the phrase “It is not the case that.”)
a) Every student in this class has taken exactly two mathematics classes at this school.
b) Someone has visited every country in the world except Libya.
c) No one has climbed every mountain in the Himalayas.
d) Every movie actor has either been in a movie with Kevin Bacon or has been in a movie with someone who has been in a movie with Kevin Bacon.
ANSWER:
Solution:
Step 1:
In this problem we need to express each of these statements using quantifiers .Then form the negation of the statement so that no negation is to the left of a quantifier.Next express the negation in simple english.
Quantifiers :
Universal Quantifier - for all elements.
Existential Quantifier - there exist an element.