• An Introduction to Proof Theory.: S. Buss 1998 Handbook of Proof Theory, Elsevier, 1-78.
  • Mathematical Logic I: Propositional Calculus, Boolean Algebras, Predicate Calculus, Completeness Thorems: R. Cori e D. Lascar 2000 Oxford University Press
  • Mathematical Logic II: Recursion Theory, Gödel's Theorems, Set Theory, Model Theory: R. Cori e D. Lascar 2001 Oxford University Press
  • Computability: Computable Functions, Logic, and the Foundations of Mathematics: R. Epstein and W. Carnielli 2001 Wadsworth
  • Introduction to Mathematical Logic: E. Mendelson 1997 Chapman & Hall, (Fourth Edition).