Beginner's Further Guide To Mathematical Logic, A

Logic by way of set theory

Sets for Mathematics

Intro to Metamathematic (Bibliotheca Mathematica, a Series of Monographs on Pure and)

Logarithm & Exponential Functions For Comprehensive Study: A Step-by-Step Workbook With Multiple Questions and Answers For Practice

The Consistency of the Continuum Hypothesis

Schaum's Outline of Discrete Mathematics, Revised Third Edition

Badiou's 'Being and Event': A Reader's Guide (Reader's Guides)

Sets and Groups: A First Course in Algebra

The Incompleteness Phenomenon