Let A(x) be an open sentence with variable x. Show that the converse of (∃! x) A(x) ⇒ (∃ x) A(x) Is false.
Let A(x) be an open sentence with variable x. Show that the converse of (∃! x) A(x) ⇒ (∃ x) A(x) Is false.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter2: Equations And Inequalities
Section2.6: Inequalities
Problem 80E
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Let A(x) be an open sentence with variable x. Show that the converse of (∃! x) A(x) ⇒ (∃ x) A(x)
Is false. Please note that I have'nt taken a college level math course in several years (probably almost 2 decades) and am returning to college this term. I have a terrible history with, and a subsequent fear of, proofs. Any help that you can give to make me more comfortable with proofs would be greatly appreciated. Please be easy on the old man.
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