Quiddity

Etymology

The term "quiddity" derives from the Latin word quidditas, which was used by the medieval scholastics as a literal translation of the equivalent term in Aristotle's Greek to ti en einai (τὸ τί ἦν εἶναι)[2] or "the what it was to be (a given thing)".

Overview

Quiddity describes properties that a particular substance (e.g. a person) shares with others of its kind. The question "what (quid) is it?" asks for a general description by way of commonality. This is quiddity or "whatness" (i.e., its "what it is"). Quiddity was often contrasted by the scholastic philosophers with the haecceity or "thisness" of an item, which was supposed to be a positive characteristic of an individual that caused them to be this individual, and no other. It is used in this sense in British poet George Herbert's poem, "Quiddity".

Other senses
  • In law, the term is used to refer to a quibble or academic point. An example can be seen in Hamlet's graveside speech found in Hamlet by William Shakespeare. "Where be his quiddities now, his quillets, his cases, his tenures" says Hamlet, referring to a lawyer's quiddities.
  • Quiddity is the name for the mystical dream sea in Clive Barker's novel The Great and Secret Show that exists as a higher plane of human existence. It is featured as more of a literal sea in the novel's sequel, Everville, and the related short story, "On Amen's Shore".
gollark: What's a "diac"?
gollark: Um, magnetron.
gollark: I assume that the underlying microwavey bit requires the same electrical stuff regardless.
gollark: The resistor behaves ohmically and the current through both things is the same.
gollark: IIRC, if we assume the LED is an ideal diode, it'll just always have a 2V potential difference across it (if there's more than 2V in the circuit and also it is the right way round oops).

See also

References
  1. Thomas Aquinas, Summa Theologiae, London: Blackfriars, 1964–1976: i, quaest. 84, art. 7: "quidditas sive natura in materia corporali".
  2. Aristotle, Metaphysics, 1029b
  • The dictionary definition of quiddity at Wiktionary
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