The act of forming into a class or classes; a distribution into groups, as classes, orders, families, etc., according to some common relations or attributes.
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1997: Chris Horrocks, Introducing Foucault, page 69 (Totem Books, Icon Books; ISBN 1840460865)
I’m using mathesis — a universal science of measurement and order … And there is also taxinomia a principle of 'classification and ordered tabulation. Knowledge replaced universal resemblance with finite differences. History was arrested and turned into tables … Western reason had entered the age of judgement'.