## Contents

- This page
- Open Intervals and Open Sets in Real Line
- A Special Type of Open Sets
- Reformulating Definition of Open Sets.
- Some Interesting Properties of Open Sets.
- (Optional) Generalising the Definition of Open Sets
- (Optional) A vague introduction to the Concept of Generalisation in Mathematics.

**Note**: This is the draft zero of this article – hopefully, if time permits, I’ll keep updating it. You can give your suggestions, if any!

Look for page numbers below!

## One Comment Add yours