Argumentum a fortiori

Argumentum a fortiori (literally "argument from the stronger [reason]") (UK: /ˈɑː fɔːrtiˈoʊri/,[1] US: /ˈeɪ fɔːrʃiˈɔːraɪ/) is a form of argumentation that draws upon existing confidence in a proposition to argue in favor of a second proposition that is held to be implicit in, and even more certain than, the first.[2]

  1. ^ Morwood, James (1998). A Dictionary of Latin Words and Phrases. Oxford: Oxford University Press. pp. x–xii. ISBN 978-0-19-860109-8.
  2. ^ Purtill, Richard (2015). "a fortoriori argument". In Audi, Robert (ed.). The Cambridge Dictionary of Philosophy (Third ed.). New York City: Cambridge University Press. p. 14. ISBN 978-1-139-05750-9. OCLC 927145544.