Best Mathematical Set Theory

Set Theory And Its Philosophy: A Critical Introduction

Set Theory An Introduction To Independence Proofs: 102 (Studies in Logic and the Foundations of Mathematics): Volume 102

An Introduction to Mathematical Reasoning: Numbers, Sets and Functions

Introduction to Axiomatic Set Theory: 1 (Graduate Texts in Mathematics, 1)

Set Theory for Beginners: A Rigorous Introduction to Sets, Relations, Partitions, Functions, Induction, Ordinals, Cardinals, Martin’s Axiom, and Stationary Sets

Elements of Set Theory

Set Theory And Foundations Of Mathematics: An Introduction To Mathematical Logic - Volume I: Set Theory: 1

Sets, Logic and Categories (Springer Undergraduate Mathematics Series)

Sets, Logic, Computation: An Open Introduction to Metalogic (Open Logic Project Textbooks)

Set Theory (Studies in Logic: Mathematical Logic and Foundations)