*7. Let (x, d) be a metric space. If A C X and e > 0, let U (A, €) be the e- neighborhood of A. Let H be the collection
Posted: Wed May 11, 2022 10:20 pm
- 7 Let X D Be A Metric Space If A C X And E 0 Let U A Be The E Neighborhood Of A Let H Be The Collection 1 (373.93 KiB) Viewed 33 times
metric
*7. Let (x, d) be a metric space. If A C X and e > 0, let U (A, €) be the e- neighborhood of A. Let H be the collection of all (nonempty) closed, bounded subsets of X. If A, B E H, define D(A, B) = inf{e | A CU(B, e) and B CU(A, €)).