DIFFERENCE

'Difference' is the contrary of equality, in particular of objects. Differences can only be stated on the basis of a comparison or categorization. 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. 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

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★ the result of subtraction

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★ difference operator

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★ finite difference

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★ percent difference

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★ difference in set theory: see complement and symmetric difference

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★ inequality

★ 'Difference' in computing: see delta encoding

★ 'Difference' on a coat of arms: see heraldry

Contents

See also

See also

★ Similarity (mathematics)

★ Similarity (psychology)