6. Find a counterexample, if possible, to these universally quantified statements, where the domain for all variables consists of all integers. a) Vx (x²+2x) b) 3x (x²-9 <0)

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter2: The Integers
Section2.1: Postulates For The Integers (optional)
Problem 35E
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6.
Find a counterexample, if possible, to these universally quantified statements,
where the domain for all variables consists of all integers.
a) Vx (x²2² +22x)
b) 3x (x²-9 <0)
Transcribed Image Text:6. Find a counterexample, if possible, to these universally quantified statements, where the domain for all variables consists of all integers. a) Vx (x²2² +22x) b) 3x (x²-9 <0)
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