Consider the following statement. There is no greatest negative real number. Identify which of the following is a negation for the statement and then fill in the blanks to prove the statement by contradiction. O There is no greatest positive real number. O There is a least negative real number. O There is a greatest positive real number. O There is no greatest negative real number. O There is a greatest negative real number. Proof by contradiction: Suppose not. That is, suppose ---Select--- Then, by assumption, a < and, for every negative real number x, a 2 Find a new real number, expressed in terms of a, that is both negative and greater than a. Use this expression to fill in the blank in the following inequality. a < v . Therefore the supposition is false and the given statement is true. This result contradicts the assumption that a is -Select---

Calculus: Early Transcendentals
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Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
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Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Consider the following statement.
There is no greatest negative real number.
Identify which of the following is a negation for the statement and then fill in the blanks to prove the statement by contradiction.
O There is no greatest positive real number.
O There is a least negative real number.
O There is a greatest positive real number.
O There is no greatest negative real number.
O There is a greatest negative real number.
Proof by contradiction:
Suppose not. That is, suppose
-Select---
Then, by assumption, a <
and, for every negative real number x,
a 2
Find a new real number, expressed in terms of a, that is both negative and greater than a. Use this expression to fill in the blank in the following inequality.
a <
< 0
V . Therefore the supposition is false and the given statement is true.
This result contradicts the assumption that a is --Select---
Transcribed Image Text:Consider the following statement. There is no greatest negative real number. Identify which of the following is a negation for the statement and then fill in the blanks to prove the statement by contradiction. O There is no greatest positive real number. O There is a least negative real number. O There is a greatest positive real number. O There is no greatest negative real number. O There is a greatest negative real number. Proof by contradiction: Suppose not. That is, suppose -Select--- Then, by assumption, a < and, for every negative real number x, a 2 Find a new real number, expressed in terms of a, that is both negative and greater than a. Use this expression to fill in the blank in the following inequality. a < < 0 V . Therefore the supposition is false and the given statement is true. This result contradicts the assumption that a is --Select---
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