) or congruency (ˈkɒŋɡrʊənsɪ
- the quality or state of corresponding, agreeing, or being congruent
- (mathematics) the relationship between two integers, x and y, such that their difference, with respect to another positive integer called the modulus,
n, is a multiple of the modulus. Usually written x ≡ y (mod n), as in 25 ≡ 11 ( mod 7)
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