By A. Shen, Nikolai Konstantinovich Vereshchagin

The most notions of set thought (cardinals, ordinals, transfinite induction) are primary to all mathematicians, not just to those that concentrate on mathematical common sense or set-theoretic topology. simple set idea is usually given a quick review in classes on research, algebra, or topology, although it is adequately vital, fascinating, and easy to advantage its personal leisurely therapy.

This e-book offers simply that: a leisurely exposition for a varied viewers. it really is compatible for a large diversity of readers, from undergraduate scholars to expert mathematicians who are looking to eventually discover what transfinite induction is and why it really is regularly changed by way of Zorn's Lemma.

The textual content introduces all major matters of "naive" (nonaxiomatic) set conception: services, cardinalities, ordered and well-ordered units, transfinite induction and its purposes, ordinals, and operations on ordinals. incorporated are discussions and proofs of the Cantor-Bernstein Theorem, Cantor's diagonal procedure, Zorn's Lemma, Zermelo's Theorem, and Hamel bases. With over a hundred and fifty difficulties, the booklet is a whole and obtainable creation to the topic.