Lec#24, Closed Set in a Metric Space, Z.R. Bhatti

Definition of Closed Set in a Metric Space Empty Set is Closed in a Metric Space Metric Space is always Closed Finite subset of a Metric Space is Closed Set of Natural numbers, N, is not closed in R Set of Whole numbers, W, is not closed in R Set of Integers, Z, is not closed in R An Introduction to Metric Spaces by Z.R. Bhatti Lec#23, If A is a subset of B, then derived set of A is also a subset of the derived set of B: https://studio.youtube.com/video/mMXX...