The standard metric on R is d: R? → [0, 0) defined by d(x, y) = |x – yl. a. Show that the resulting basis for the standard topology on R consists of all intervals (a, b) where a < b. b. Write down three open subsets of R that are not of the form (a, b).
The standard metric on R is d: R? → [0, 0) defined by d(x, y) = |x – yl. a. Show that the resulting basis for the standard topology on R consists of all intervals (a, b) where a < b. b. Write down three open subsets of R that are not of the form (a, b).
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter7: Real And Complex Numbers
Section7.2: Complex Numbers And Quaternions
Problem 48E
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