Let X = R, and let T consist of 0, R, and all intervals of the form (a, b) where a, b e R and a < b. Show that T is not a topology on IR. %3D
Let X = R, and let T consist of 0, R, and all intervals of the form (a, b) where a, b e R and a < b. Show that T is not a topology on IR. %3D
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.5: Graphs Of Functions
Problem 56E
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Prove that the first example is a topology and the second is not.
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