Abstract
Among the most basic topics taught in elementary school mathematics are operations such as addition and multiplication of numbers. Each such operation takes two numbers, and produces a single resulting number. Another type of operation is negation of numbers, which takes a single number and produces another number. We can formalize both these types of operations using sets and functions.
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© 2010 Springer New York
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Bloch, E.D. (2010). Selected Topics. In: Proofs and Fundamentals. Undergraduate Texts in Mathematics. Springer, New York, NY. https://doi.org/10.1007/978-1-4419-7127-2_7
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DOI: https://doi.org/10.1007/978-1-4419-7127-2_7
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Publisher Name: Springer, New York, NY
Print ISBN: 978-1-4419-7126-5
Online ISBN: 978-1-4419-7127-2
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