Let ||.|| and ||..|| be two norms defined on space X.Show that ||.|| and ||..|| are equivalent if and only if a subset of X which is bounded in (x,||.||) is also bounded in (x,||..||) and also prove it conversly.

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter1: Fundamentals
Section1.5: Permutations And Inverses
Problem 10E: 10. Let and be mappings from to. Prove that if is invertible, then is onto and is...
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Let ||.|| and ||..|| be two norms defined on space X.Show that ||.|| and ||..|| are equivalent if and only if a subset of X which is bounded in (x,||.||) is also bounded in (x,||..||) and also prove it conversly.
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