Bibliografia principal:
• How to Prove It, A Structured Approach, Daniel J. Velleman, Cambridge University Press, 2006
• The Elements of Advanced Mathematics, Steven G. Krantz, CRC Press, 2017
• Proofs and fundamentals. A first course in abstract mathematics, Bloch E. D., Springer, 2011
• Lógica e Aritmética, A. Franco de Oliveira, Gradiva, 1991
• An Introduction to Mathematical Reasoning: Numbers, Sets and Functions, P. J. Eccles, Cambridge, 1997
• Sets, functions and logic, Devlin Keith, Chapman and Hall/CRC, 2003.