Abstract
The first chapter is introductory, it explains some methods of mathematical proof: argument by contradiction, the principle of mathematical induction, the pigeonhole principle, the use of an ordering on a set, and the principle of invariance.
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Gelca, R., Andreescu, T. (2017). Methods of Proof. In: Putnam and Beyond. Springer, Cham. https://doi.org/10.1007/978-3-319-58988-6_1
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DOI: https://doi.org/10.1007/978-3-319-58988-6_1
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Publisher Name: Springer, Cham
Print ISBN: 978-3-319-58986-2
Online ISBN: 978-3-319-58988-6
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