Equivalence or equivalent may refer to:
  • In chemistry:
    • Equivalent (chemistry)
      Equivalent (chemistry)
      The equivalent , sometimes termed the molar equivalent, is a unit of amount of substance used in chemistry and the biological sciences.The equivalent is formally defined as the amount of a substance which will either:...

    • Equivalence point
      Equivalence point
      The equivalence point, or stoichiometric point, of a chemical reaction when a titrant is added and is stoichiometrically equal to the amount of moles of substance present in the sample: the smallest amount of titrant that is sufficient to fully neutralize or react with the analyte...

    • Equivalent weight
      Equivalent weight
      Equivalent weight is a term which has been used in several contexts in chemistry. In its most general usage, it is the mass of one equivalent, that is the mass of a given substance which will:...

  • In computing:
    • Turing equivalence (theory of computation)
  • In ethics:
    • Moral equivalence
      Moral equivalence
      Moral equivalence is a term used in political debate, usually to criticize any denial that a moral hierarchy can be assessed of two sides in a conflict, or in the actions or tactics of two sides...

  • In history:
    • The Equivalent
      The Equivalent
      The Equivalent was a sum negotiated at £398,000 paid to Scotland by the English Government under the terms of the Acts of Union 1707. Proposals for it first emerged in the course of abortive Union negotiations in 1702/03.-Purpose of The Equivalent:...

      , a sum paid from England to Scotland at their Union in 1707.
  • In logic:
    • Logical equivalence
      Logical equivalence
      In logic, statements p and q are logically equivalent if they have the same logical content.Syntactically, p and q are equivalent if each can be proved from the other...

    • Logical biconditional
      Logical biconditional
      In logic and mathematics, the logical biconditional is the logical connective of two statements asserting "p if and only if q", where q is a hypothesis and p is a conclusion...

  • In mathematics:
    • Equivalence relation
      Equivalence relation
      In mathematics, an equivalence relation is a relation that, loosely speaking, partitions a set so that every element of the set is a member of one and only one cell of the partition. Two elements of the set are considered equivalent if and only if they are elements of the same cell...

    • Equivalence of categories
      Equivalence of categories
      In category theory, an abstract branch of mathematics, an equivalence of categories is a relation between two categories that establishes that these categories are "essentially the same". There are numerous examples of categorical equivalences from many areas of mathematics...

    • Improper rotation
      Improper rotation
      In 3D geometry, an improper rotation, also called rotoreflection or rotary reflection is, depending on context, a linear transformation or affine transformation which is the combination of a rotation about an axis and a reflection in a plane perpendicular to the axis.Equivalently it is the...

    • Rotation
      A rotation is a circular movement of an object around a center of rotation. A three-dimensional object rotates always around an imaginary line called a rotation axis. If the axis is within the body, and passes through its center of mass the body is said to rotate upon itself, or spin. A rotation...

      al equivalence
    • Probabilistic equivalence
  • In patent law:
    • Doctrine of equivalents
      Doctrine of equivalents
      The doctrine of equivalents is a legal rule in most of the world's patent systems that allows a court to hold a party liable for patent infringement even though the infringing device or process does not fall within the literal scope of a patent claim, but nevertheless is equivalent to the claimed...

  • In music:
    • Equivalence class (music)
      Equivalence class (music)
      In music theory, equivalence class is an equality or equivalence between sets or twelve-tone rows. A relation rather than an operation, it may be contrasted with derivation. "It is not surprising that music theorists have different concepts of equivalence [from each other]..." "Indeed, an informal...

  • In relativity:
    • Equivalence principle
      Equivalence principle
      In the physics of general relativity, the equivalence principle is any of several related concepts dealing with the equivalence of gravitational and inertial mass, and to Albert Einstein's assertion that the gravitational "force" as experienced locally while standing on a massive body is actually...

  • In translation:
    • Dynamic and formal equivalence
      Dynamic and formal equivalence
      In Bible translation dynamic equivalence and formal equivalence are two approaches to translation. The terms are not found in general linguistics or translation theory but were coined by Eugene Nida...

  • In Medical Device Manufacturing:
    • Equivalency Document
  • In international trade:
    • Equivalence (trade)
      Equivalence (trade)
      Equivalence is a term applied by the Uruguay Round Agreement on the Application of Sanitary and Phytosanitary Measures. WTO Member countries shall accord acceptance to the Sanitary and Phytosanitary measures of other countries if the exporting country demonstrates...

      , a requirement imposed on WTO Member countries regarding acceptable sanitary protection measures.
  • In art
    • Equivalent VIII
      Equivalent VIII
      Equivalent VIII, usually referred to as "The Bricks", is the last and most famous of a series of minimalist sculpture by Carl Andre. Constructed in 1966, it was bought by The Tate Gallery in 1972. The exhibit comprises one-hundred-and-twenty fire bricks, arranged in two layers, in a six-by-ten...

      , a minimalist sculpture by Carl Andre
      Carl Andre
      Carl Andre is an American minimalist artist recognized for his ordered linear format and grid format sculptures. His sculptures range from large public artworks to more intimate tile patterns arranged on the floor of an exhibition space Carl Andre (born September 16, 1935) is an American...

      consisting of a collection of bricks.
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