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a fortiori

Definition of the adjective a fortiori

What does a fortiori mean as an attribute of a noun?


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

Definition of the adverb a fortiori

What does a fortiori mean as an attribute of something other than a noun?


  1. with greater reason; for a still stronger, more certain reason
    • example: if you are wrong then, a fortiori, so am I

Printed dictionaries and other books with definitions for a fortiori

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Google previewA Dictionary of English Philosophical Terms (1878)

by Francis Garden

A fortiori. The argument a fortiori, from the stronger, consists in inferring from the greater case to the less, e. g. inferring the operation of a cause in a less difficult case from its operation in a more difficult one, the superiority or inferiority of one ...

Google previewA Dictionary of Modern Legal Usage (2001)

by Bryan A. Garner

a fortiori lah-fohr-shee-ohr-eel is an argumentative term meaning "by even greater force of logic; so much the more." The phrase is often used effectively — e.g.: ...

Google previewDictionary of World Philosophy (2013)

by A. Pablo Iannone

Hence, a fortiori, Peter is older than Tom. See also: probability; relation Further reading Grabenhorst, Thomas Kyrill (1990) Das argumentum a fortiori: eine PilotStudie anhand der Praxis von Entscheidungsbegrundungen, Frankfurt am Main ...

Google previewThe Blackwell Dictionary of Western Philosophy (2008)

by Nicholas Bunnin, Jiyuan Yu

Copi, Introduction to Logic a fortiori Logic [Latin: for a stronger reason, even more so or with more certainty] An argument that if everything that possesses A will possess B, then if a given thing possesses A to a greater degree, it has a stronger ...

Google previewA Dictionary of Philosophy (1984)

Revised Second Edition by Antony Flew

a fortiori. (Latin for: from the stronger.) A phrase used to signify 'all the more' or 'even more certain'. If all men are mortal, then a fortiori all Englishmen — who constitute a small subclass of all men — must also be ...

Google previewDictionary of philosophical terms (1997)

by Elmar Waibl

a fortiori argument ' Argument a fortiori n (Ian. log) —> argument a fortiori a posteriori ' nt. aposteriorisch (epi) H a priori a posteriori argument ' Argument a posteriori n (lan‚ log) —) argument a posteriori a posteriori judg(e) ment ...

Google previewLexicon Latinitatis Nederlandicae Medii Aevi (1987)

by J. W. Fuchs

ipsam levitatem, igitur a fortiori et per modum sequele etiam destruit motum sursum, consequentem ad levitatem; id sent. 2, 19, 2/° 304 VB 40-1 etiam primus homo ...

Google previewA Concise Law Dictionary (1876)

by George Crispe Whiteley

A FORTIORI (from a stronger [reason]). A phrase used in argnmcnt to denote the method by which one proposition is proved, on account of its being a stronger instance of another proposition which is allowed. Thus, the law presumes that a ...

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A fortiori Meaning

Video shows what a fortiori means. With stronger or greater reason; as a corollary implied by a stronger claim.. A fortiori Meaning. How to pronounce, definition ...

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