Explore 'Introduction to Topology' by Bert Mendelson, 3rd Edition. This classic textbook offers a comprehensive introduction to topology, covering basic concepts, metric spaces, topological spaces, continuity, compactness, connectedness, and more with clear explanations, examples, and exercises.

Explore the comprehensive documentation of TikZ and its underlying pgf system, offering insights from the basics to advanced techniques. Delve into a wealth of options for creating intricate graphics in LaTeX, with tutorials to guide beginners and seasoned users alike. From understanding TikZ as a graphics language to navigating its system and basic layers, discover how to harness its power for precise, customizable visualizations. Uncover the layers beneath TikZ, including its system and basic layers, and learn to leverage them effectively for creating complex graphics with ease. Whether you're a novice or an expert, this book equips you with the knowledge and tools to master TikZ and elevate your document design