Abstract
An arithmetic progression is a sequence of integers of the form nk + a, k =…,− 2,− 1, 0, 1, 2, …. We write the set of all integers in such a progression as {nk + a}k∈ℤ. Example: the progression …,−7, − 2, 3, 8, 13, 18, … forms the set {5k + 3}k∈ℤ.
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© 1979 Springer-Verlag New York Inc.
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Childs, L. (1979). Congruences. In: A Concrete Introduction to Higher Algebra. Undergraduate Texts in Mathematics. Springer, New York, NY. https://doi.org/10.1007/978-1-4684-0065-6_6
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DOI: https://doi.org/10.1007/978-1-4684-0065-6_6
Publisher Name: Springer, New York, NY
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