25:42Definition of Separated sets. If A & B are open disjoint set then they are Separated.Ukirde S.R.624 views·5 years ago
17:01A subset of R is compact if and only if it is closed and bounded.Ukirde S.R.6.8K views·5 years ago
26:15A function from a metric space to another is continuous iff inverse image of open set is open.Ukirde S.R.332 views·5 years ago