In this chapter we shall define an important relation on Z: the congruence relation modulo a positive integer n. We shall give here the fundamental properties of this relation, but we shall repeatedly come back to it in later parts of the book.
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© 2009 Springer-Verlag Berlin Heidelberg
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(2009). From infinite to finite. In: Elementary Number Theory, Cryptography and Codes. Universitext. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-69200-3_3
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DOI: https://doi.org/10.1007/978-3-540-69200-3_3
Publisher Name: Springer, Berlin, Heidelberg
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