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Presupposition vs Entailment - What's the difference?

presupposition | entailment |

As nouns the difference between presupposition and entailment

is that presupposition is an assumption made beforehand; a preliminary conjecture or speculation while entailment is the act of entailing, the state of being entailed, or something that is entailed.

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

    entailment

    English

    (wikipedia entailment)

    Alternative forms

    * intailment (rare)

    Noun

    (en noun)
  • The act of entailing, the state of being entailed, or something that is entailed.
    • Entailment does not imply causation: if a set of premisses entail a conclusion, that does not mean (necessarily) that they cause that conclusion to be true.
    An argument hinges upon entailment whereas an if-then sentence hinges upon implication.

    See also

    * material implication