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Whatness vs Thisness - What's the difference?

whatness | thisness |

As nouns the difference between whatness and thisness

is that whatness is (philosophy) essence; quiddity while thisness is the qualities]], [[property|properties or characteristics of a thing which make it a particular thing.

whatness

English

Noun

(es)
  • (philosophy) Essence; quiddity.
  • Quality; quantity.
  • *1961 , Thomas Aquinas, Commentary on the Metaphysics of Aristotle: Volume 2 :
    • For in one sense whatness signifies substance and this particular thing, and in another sense it signifies each of the other categories, such as quantity, quality and the like.

    thisness

    English

    Noun

    (en-noun)
  • The qualities]], [[property, properties or characteristics of a thing which make it a particular thing.

    • Synonyms

    * haecceity