Aristotle, Categories

LCL 325: 10-11

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  • Neither primary nor secondary substances present in a subject. Primary substance individual, secondary substance a qualification of the individual. Substances have no contraries. Substances never admit of degrees. The characteristic peculiar to substance is that contrary qualities are predicable of it.
  • Ch. 6. Of Quantity. Quantity discrete or continuous. The parts of some quantities have relative positions, while the parts of others have not. Quantitative terms may be used of things other than quantity. ‘Great,’ ‘small’ and similar terms not quantitative but relative. Quantities never admit of degrees. The characteristic peculiar to quantity is that we predicate ‘equal’ and ‘unequal’ of it.
  • Ch. 7. Of Relation. Preliminary definition. Some relatives have contraries. Some relatives admit of degrees. Every relative has a correlative. The relative must have its proper name; only so is the correlative evident. Necessity in certain cases for coining new names for the purpose. Relatives usually come into being together. Exceptions in the case of perception and knowledge. Primary substance never relative, neither any part of such substance. Corrected definition of relatives.
  • Impossible to know that a thing is relative, unless its correlative is known.
  • Ch. 8. Of Quality. Qualities defined. Their kinds: (1) habits and dispositions, (2) capacities, (3) affective qualities and affections, (4) shape, figure and so on. Most qualities have contraries. If one of two contraries is a quality, so is the other. Most qualities admit of degrees. The characteristic peculiar to quality is that we predicate ‘like’ and ‘unlike’ in reference to it.
  • Ch. 9. Of the remaining categories.
  • Ch. 10. Of the four classes of opposites: (1) correlatives, (2) contraries, (3) positives and privatives, (4) affirmation and negation.
  • Ch. 11. Further discussion of contraries with special relation to good and evil.
  • Ch. 12. The five senses of ‘prior.’
  • Ch. 13. The three senses of ‘simultaneous.’
  • Ch. 14. The six kinds of motion.
  • Ch. 15. The various meanings of ‘to have.’
DOI: 10.4159/DLCL.aristotle-the_categories.1938