Gödel's Theorems and Zermelo's Axioms: A Firm Foundation of Mathematics - Paperbackby Lorenz Halbeisen (Author), Regula Krapf (Author) This book provides a concise and self contained introduction to the foundations of mathematics. The first part covers the fundamental notions of mathematical logic, including logical axioms, formal proofs and the basics of model theory. Building on this, in the second and third part of the book the authors present detailed proofs of Gdel's classical completeness and incompleteness theorems. In