Exercise 4. If d is a metric on the set X, we define dcut : X × X → [0, 1] by dcut (x, y) = min(d(x, y), 1). Show that dcut is a metric that defines the same topology as X.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
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Chapter8: Applications Of Trigonometry
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Exercise 4. If d is a metric on the set X, we define dcut : X × X → [0, 1] by
dcut (x, y) = min(d(x, y), 1).
Show that dcut is a metric that defines the same topology as X.
Transcribed Image Text:Exercise 4. If d is a metric on the set X, we define dcut : X × X → [0, 1] by dcut (x, y) = min(d(x, y), 1). Show that dcut is a metric that defines the same topology as X.
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