Mathematical Logic (Oxford Texts in Logic),Amazon.com: Mathematical Logic and Formalized Theories: A Survey of Basic Concepts and Results: 9781483249964: Rogers, Robert L.: Books,Mathematical Logic: Exercises and Solutions (Problem Books in Mathematics),Introduction to Mathematical Logic (Discrete Mathematics and Its Applications),A Concise Introduction to Mathematical Logic (Universitext): Rautenberg, Wolfgang: 9781441912206: Amazon.com: Books