a fortiori

From Latin ā (“from”) and fortiōrī, comparative of fortis (“strength”).

• (Latinized) IPA^(key): /ˈɑː fɔːɹtɪˈoʊɹiː/
• (US, Eastern New England) IPA^(key): /ˈeɪ fɔɹʃˈjɔˑɹaɪ/

a fortiori (comparative more a fortiori, superlative most a fortiori)

1. With stronger or greater reason; as a corollary implied by a stronger claim.

a fortiori (comparative more a fortiori, superlative most a fortiori)

1. With stronger or greater reason; as a corollary implied by a stronger claim.
   • 1954, Gilbert Ryle, “dilemma vii: Perception”, in Dilemmas: The Tarner Lectures, 1953, The Syndics of the Cambridge University Press, page 103:

     Now starting and stopping cannot themselves have starts or stops, or, a fortiori, middles either.

   • 2011, Mortimer Jerome Adler, How to Prove There Is a God:

     We're bound to accept an a fortiori claim because of our prior acceptance of a weaker application of the same reasoning. Frank can't run to the store in less than five minutes, and the restaurant is several blocks further away than the store. Thus, a fortiori, Frank can't run to the restaurant in less than five minutes.

• a posteriori
• a priori

• à fortiori (misspelling)

• IPA^(key): /a fɔʁ.sjɔ.ʁi/

a fortiori

1. a fortiori

   Synonym: à plus forte raison