Difference is the contrary of equality, in particular of objects. In Lexical semantics, opposites are words that lie in an inherently incompatible binary relationship as in the opposite pairs male: female, long: short In Geometry, two sets of points are called congruent if one can be transformed into the other by an Isometry, i Differences can only be stated on the basis of a comparison or categorization. Categorization is the process in which ideas and objects are recognized, differentiated and understood. Since a complete comparison of objects or things is seldom possible in practice, only relevant or defining attributes are used for stating equality or difference. Relevance is a term used to describe how pertinent connected or applicable something is to a given matter Similar objects are only different with respect to attributes of minor discriminative value.

In order for something to be different, you must have something to compare it to.

In particular, difference can refer to:

• In Philosophy, Differance
• In mathematics, difference always means
  • the result of subtraction
    • difference operator
    • finite difference
    • percent difference
  • difference in set theory: see complement and symmetric difference
  • inequality
• Difference in computing: see delta encoding
• Difference on a coat of arms: see heraldry
• Different (song), a song by Acceptance

See also

• Similarity
• Different ideal

Différance is a French Neologism coined by Jacques Derrida and homophonous with the word "différence" A result is the final consequence of a Sequence of actions or events (broadly incidents and accidents expressed qualitatively or quantitatively being a loss injury disadvantage Subtraction is one of the four basic Arithmetic operations it is the inverse of Addition, meaning that if we start with any number and add any number and then subtract In Mathematics, a difference operator maps a function, f ( x) to another function f ( x + a) &minus f ( x A finite difference is a mathematical expression of the form f ( x + b) &minus f ( x + a) Percent Difference is the Numerical interpretation of comparing two values with one another In Discrete mathematics and predominantly in Set theory, a complement is a concept used in comparisons of sets to refer to the unique values of one set in relation In Mathematics, the symmetric difference of two sets is the set of elements which are in one of the sets but not in both In Mathematics, an inequality is a statement about the relative size or order of two objects or about whether they are the same or not (See also equality Computing is usually defined like the activity of using and developing Computer technology Computer hardware and software. Delta encoding is a way of storing or transmitting Data in the form of differences between sequential data rather than complete files A coat of arms or armorial bearings (often just arms for short in European tradition is a design belonging to a particular person (or group of people Heraldry in its most general sense encompasses all matters relating to the duties and responsibilities of officers of arms. Acceptance was an Alternative rock band from Seattle Washington, formed in 1998 but only industrially active from 2002 onwards In Mathematics, the different ideal is defined in Algebraic number theory, to account for the (possible lack of duality in the Ring of integers of an

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