Focus Questions
- What is a topology and what is a topological space?
- What important properties do open sets have in relation to unions and intersections?
- What is a basis for a topology? Why is a basis for a topology useful?
- What is a neighborhood in a topological space?
- What is an interior point and the interior of a set in a topological space?
- What is the connection between the interior of a set and open sets in a topological space?
