AskDefine | Define congruity

Dictionary Definition

congruity n : the quality of agreeing; being suitable and appropriate [syn: congruousness, congruence] [ant: incongruity, incongruity]

User Contributed Dictionary



  1. The quality of agreeing; being suitable and appropriate.



Extensive Definition

Congruence is the state achieved by coming together, the state of agreement. The Latin congruere means to come together, agree. As an abstract term, congruence means similarity between objects. Congruence, as opposed to equivalence or approximation, is a relation which implies a kind of equivalence, though not complete equivalence.
  • In psychology and NLP (Neuro-linguistic programming), congruence could be defined as rapport within oneself, or internal and external consistency, perceived by others as sincerity or certainty.
  • An alternative definition of congruence in the work of Virginia Satir, one of the sources of NLP, is the balance between self, other and context.
  • In cladistics, congruence is a test of homology, or shared, derived character states, in which the distributions of supposed homologies among taxa are compared for consistency.
  • horizontal and vertical congruence, two related principles of grouping
  • In geometry, triangles and other figures are congruent if they are isometric – roughly, if they are of the same size and shape. See Congruence (geometry).
  • In mathematics and especially in abstract algebra as well as modular arithmetic, a congruence relation or simply congruence is an equivalence relation that is compatible with some algebraic operation(s).

See also

congruity in German: Kongruenz
congruity in French: Congruence
congruity in Dutch: Congruentie
congruity in Portuguese: Congruência
congruity in Russian: Конгруэнтность
congruity in Swedish: Kongruens

Synonyms, Antonyms and Related Words

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