Naïve Set Theory

A Rigorous Approach

Fabio Ferrari Ruffino

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Hardback

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English

Chapman & Hall/CRC
21 February 2025

Naïve Set Theory: A Rigorous Approach aims to provide a complete and unitary presentation of naive set theory as the foundation of the whole mathematics. Suitable for undergraduate students, this book focuses on the main foundational issues, trying to clarify explicitly what is (necessarily) assumed as intuitively known and what is rigorously founded on more elementary concepts. It analyses in detail the nature of natural numbers, both as metatheoretical objects and through their set-theoretical model. The author also pays particular attention to some topics that are not usually covered by the literature on naive set theory, like the universal properties of Cartesian product and disjoint union, that lead to a precise formulation of their basic features (associativity, commutativity, and distributivity). The exposition is organized coherently from the initial meta-theoretical notions to the construction of the universe of well-founded sets.

Features:

Replete with exercises, partially spread within the text and partially listed at the end of each chapter with a solutions manual available on www.

Routledge.com/9781032933047. Covers foundational topics that are not usually discussed in the literature on naive set theory, such as universal properties of Cartesian product and disjoint union, through which one can properly state associativity, commutativity, and distributivity of these operations.

By: Fabio Ferrari Ruffino
Imprint: Chapman & Hall/CRC
Country of Publication: United Kingdom
Dimensions: Height: 234mm, Width: 156mm,
Weight: 598g
ISBN: 9781032933047
ISBN 10: 1032933046
Pages: 214
Publication Date: 21 February 2025
Audience: College/higher education , Primary
Format: Hardback
Publisher's Status: Active

1. Preliminaries. 2. Hereditary Sets and Basic Operations. 3. Relations and Functions. 4. Sets and Indexed Sets. 5. Universal Properties. 6. Sets and Classes. 7. Embedding Natural Numbers in Set Theory. 8. Well-Orders. 9. Axioms of Choice. 10. Cardinality. 11. Ordinals. 12. Cardinals. 13. Well-Founded Sets.

Fabio Ferrari Ruffino received his bachelor’s degree in mathematics from the University of Milan, his master’s degree from the University of Pisa and at Scuola Normale Superiore, and his Ph.D. from SISSA (International School for Advanced Studies, Trieste, Italy). He is currently an Assistant Professor at São Carlos University, Brazil. In his research, he has been working mainly on geometry and topology, with a particular focus on the applications in theoretical physics (especially in string theory). He has always been particularly interested in foundational problems from a philosophical point of view in both his research and teaching activities.