Congruence (disambiguation)

In mathematics, congruence may refer to:

• In Euclidean geometry, the relation between figures that can be superposed by rigid motions
  • In particular, the relation between congruent triangles
• In modular arithmetic, the property of integers having the same remainder on division by a given modulus
• In ring theory, the property of elements of a ring lying in the same coset of a given ideal
• In matrix theory, the property of matrices relating to the same bilinear form with respect to different bases
• In abstract algebra, an equivalence relation which respects algebraic operations

This disambiguation page lists articles associated with the same or a similar title.