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Concepts

A Concept whose role is to extensionally define and measure a characteristic.

Categories for the Concept of sex include: Male, Female

Note: An extensional definition is a description of a Concept by enumerating all of its sub ordinate Concepts under one criterion or sub division.

For example - the Noble Gases (in the periodic table) is extensionally defined by the set of elements including Helium, Neon, Argon, Krypton, Xenon, Radon. (ISO 1087-1)

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