Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- adverb For a still stronger reason; all the more.
from The Century Dictionary.
- For a still stronger reason; all the more.
from the GNU version of the Collaborative International Dictionary of English.
- (Logic & Math.) With stronger reason.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective With
stronger orgreater reason ; as acorollary implied by a stronger claim. - adverb With
stronger orgreater reason ; as acorollary implied by a stronger claim.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adverb with greater reason; for a still stronger, more certain reason
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
[Latin ā fortiōrī : ā, from + fortiōrī, ablative of fortior, stronger.]
from Wiktionary, Creative Commons Attribution/Share-Alike License
From Latin ā ("from") and fortiōrī, comparative of fortis ("strength").
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Examples
Sorry, no example sentences found.
soden commented on the word a fortiori
An A fortiori argument is one that "denotes a proof of a claim by means of an already proved stronger claim."
February 28, 2009
qroqqa commented on the word a fortiori
A mediaeval alteration of Classical a fortiore.
June 3, 2009
jmjarmstrong commented on the word a fortiori
JM for no reason at all reckons a fortiori
November 12, 2010