20. Theorems on Closure of a set || Metric Space || Ravina Tutorial || in hindi

This video is about some basic theorems on closure of a set 1. Closure of empty set = empty set 2. if A is subset of B then Cl(A) is subset of Cl(B) 3. Closure of a set is smallest closed set containing A 4. Closure of Union = Union of Closure 5. Closure of intersection is subset of intersection of closure 6. Closure of Closure set = closure set