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Presumption vs Presupposition - What's the difference?

presumption | presupposition |

As nouns the difference between presumption and presupposition

is that presumption is the act of presuming, or something presumed while presupposition is an assumption made beforehand; a preliminary conjecture or speculation.

presumption

English

(wikipedia presumption)

Noun

(en noun)
  • the act of presuming, or something presumed
  • * De Quincey
    • in contradiction to these very plausible presumptions
  • the belief of something based upon reasonable evidence, or upon something known to be true
    • The presumption is that an event has taken place.
  • the condition upon which something is presumed
  • (dated) arrogant behaviour; the act of venturing beyond due bounds of reverence or respect
  • * Shakespeare
    • Thy son I killed for his presumption .
  • * Dryden
    • I had the presumption to dedicate to you a very unfinished piece.

    Synonyms

    * (l)

    presupposition

    English

    Noun

    (en noun)
  • An assumption made beforehand; a preliminary conjecture or speculation.
  • * 2010 , Guy Deutscher, Through the Language Glass , Arrow 2011, p. 40:
    • He made one cardinal error in his presuppositions about the relation between language and perception, but in this he was far from alone.
  • The act of presupposing.

    • Synonyms

    * (assumption) assumption, conjecture