Genus–differentia definition

A genus–differentia definition is a type of intensional definition, and it is composed of two parts: a genus (or family): An existing definition that serves as a portion of the new definition; all definitions with the same genus are considered members of that genus. the differentia: The portion of the definition that is not provided by the genus. For example, consider these two definitions: a triangle: A plane figure that has 3 straight bounding sides. a quadrilateral: A plane figure that has 4 straight bounding sides. Those definitions can be expressed as one genus and two differentiae: one genus: the genus for both a triangle and a quadrilateral: "A plane figure" two differentiae: the differentia for a triangle: "that has 3 straight bounding sides." the differentia for a quadrilateral: "that has 4 straight bounding sides." The use of genus and differentia in constructing definitions goes back at least as far as Aristotle (384–322 BCE).

Words

This table shows the example usage of word lists for keywords extraction from the text above.

WordWord FrequencyNumber of ArticlesRelevance
differentia5150.401
definition7104150.275
differentiae360.258
bounding42120.254
genus91317710.21

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