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  1. A First Course in Logic: An Introduction to Model Theory, Proof Theory, Computability, and Complexity.Shawn Hedman - 2004 - Oxford University Press.
    The ability to reason and think in a logical manner forms the basis of learning for most mathematics, computer science, philosophy and logic students. Based on the author's teaching notes at the University of Maryland and aimed at a broad audience, this text covers the fundamental topics in classical logic in an extremely clear, thorough and accurate style that is accessible to all the above. Covering propositional logic, first-order logic, and second-order logic, as well as proof theory, computability theory, and (...)
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    Quantifier-Eliminable Locally Finite Graphs.Shawn Hedman & Wai Yan Pong - 2011 - Mathematical Logic Quarterly 57 (2):180-185.
    We identify the locally finite graphs that are quantifier-eliminable and their first order theories in the signature of distance predicates. © 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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