Proof

(related to Proposition: Multiplication of Congruences with a Positive Factor)

By hypothesis, $a,b$ are integers and $c > 0, m > 0$ are positive integers.

"$\Rightarrow$"

"$\Leftarrow$"


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References

Bibliography

  1. Landau, Edmund: "Vorlesungen über Zahlentheorie, Aus der Elementaren Zahlentheorie", S. Hirzel, Leipzig, 1927