from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The state or condition of being factive.


factive +‎ -ity (Wiktionary)


  • p, unless p, and thus information meets the factivity implication of knowledge (that if S knows that p then p).

    Epistemological Problems of Testimony

  • And questions about the factivity of K may be defused rather quickly, since related paradoxes emerge replacing the factive operator “It is known that” with a non-factive operators, such as ˜It is rationally believed that™ (Mackie 1980: 92;

    Fitch's Paradox of Knowability


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