Unfortunately, I couldn't find a publicly available PDF link to the book. However, you can try searching for the book on academic databases, online libraries, or purchasing a digital copy from the publisher.
Topology is often called "rubber-sheet geometry" because it focuses on properties that remain unchanged even when an object is stretched or deformed. Studying Long’s text helps you understand: Lecture Notes On General Topology an introduction to general topology paul e long pdf link
If you're looking for alternative resources to learn general topology, here are some online resources: Unfortunately, I couldn't find a publicly available PDF
: You can borrow a scanned version of the book digitally on the Internet Archive . Studying Long’s text helps you understand: Lecture Notes
While a direct, permanent PDF download for this specific 1971 edition is often restricted due to copyright, you can access digital copies and previews through the following platforms: Internet Archive borrow and read a digitized version
Paul E. Long’s An Introduction to General Topology is a masterclass in efficient, rigorous mathematical exposition. Whether you are struggling with open sets or preparing for a topology qualifier, this book deserves a place on your digital or physical shelf.