Author: Paul R. Halmos
"Naive Set Theory" by Paul R. Halmos is a classic introductory book that explains the fundamentals of set theory in a clear and accessible way. Though called "naive," it covers key concepts like sets, functions, relations, ordinals, and cardinals with mathematical precision but without heavy formal logic. It’s ideal for students beginning higher mathematics, offering a solid foundation for subjects like topology, analysis, and algebra.
