If you are enrolled at a university:
| When stuck on… | Try this alternative | |----------------|----------------------| | Basics (Ch 2–3) | Munkres, Topology (more examples, slower pace) | | Nets and filters | Kelley, General Topology (classic, but denser) | | Metrization | Engelking, General Topology (encyclopedic) | | Quick reference | “Counterexamples in Topology” (Steen & Seebach) | willard general topology pdf