Equivalence

Equivalence or Equivalent may refer to:

Arts and entertainment

 * Album-equivalent unit, a measurement unit in the music industry
 * Equivalence class (music)
 * Equivalent VIII, or The Bricks, a minimalist sculpture by Carl Andre
 * Equivalents, a series of photographs of clouds by Alfred Stieglitz

Language

 * Dynamic and formal equivalence in translation
 * Equivalence (formal languages)

Law

 * The doctrine of equivalents in patent law
 * The equivalence principle as if impacts on the direct effect of European Union law

Logic

 * Logical equivalence, where two statements are logically equivalent if they have the same logical content
 * Material equivalence, a relationship where the truth of either one of the connected statements requires the truth of the other

Chemistry

 * Equivalent (chemistry)
 * Equivalence point
 * Equivalent weight

Computing

 * Turing equivalence (theory of computation), or Turing completeness
 * Semantic equivalence in computer metadata

Economics

 * Certainty equivalent, a principle related to risk premium
 * Economic equivalence, a concept in engineering economics
 * Ricardian equivalence, or Ricardo–de Viti–Barro equivalence, a proposition in economics

Mathematics

 * Equality (mathematics)
 * Equivalence relation
 * Equivalence class
 * Equivalence of categories, in category theory
 * Equivalent infinitesimal
 * Identity
 * Matrix equivalence in linear algebra
 * Turing equivalence (recursion theory)
 * Elementary equivalence, in mathematical logic

Physics

 * Equivalence principle in the theory of general relativity

Other uses

 * Equivalence (trade)
 * Moral equivalence, a term used in political debate
 * The Equivalent, a sum paid from England to Scotland at their Union in 1707