Article (Scientific journals)
No Knowledge from Falsehood but from Reflective Knowledge in advance
HOFMANN, Frank; KOHL, Yannick
2025In Thought: a Journal of Philosophy
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Keywords :
knowledge; inference; reflection; margin of error; measurement
Abstract :
[en] Abstract: Some philosophers have claimed that there is knowledge from falsehood (KFF, in short), i.e., inferential knowledge that involves a relevant false premise. The main thesis of this paper is that there are no standard cases of KFF. By ‘standard cases’ we mean cases in which the subject employs a measurement procedure in order to determine the value of some quantity, such as the time or the number of people present in a room. If knowledge is attained at all, it is attained by inference not from a false premise but, instead, from two pieces of reflective knowledge. A brief look at putative non-standard cases of KFF reveals that they can be explained away in a different way, albeit a way that shares a common pattern with standard cases.
Disciplines :
Philosophy & ethics
Author, co-author :
HOFMANN, Frank ;  University of Luxembourg > Faculty of Humanities, Education and Social Sciences (FHSE) > Department of Humanities (DHUM) > Philosophy
KOHL, Yannick ;  University of Luxembourg > Faculty of Humanities, Education and Social Sciences > Department of Humanities > Team Frank HOFMANN
External co-authors :
no
Language :
English
Title :
No Knowledge from Falsehood but from Reflective Knowledge in advance
Publication date :
07 November 2025
Journal title :
Thought: a Journal of Philosophy
eISSN :
2161-2234
Publisher :
Philosophy Documentation Center
Peer reviewed :
Peer Reviewed verified by ORBi
FnR Project :
FNR12880605 - RREXAM - Rational Reflection Examined, 2018 (01/07/2019-30/06/2022) - Frank Hofmann
Name of the research project :
Rational Reflection Examined
Funders :
FNR - Fonds National de la Recherche Luxembourg
Funding number :
O18/12880605/RREXAM
Available on ORBilu :
since 11 November 2025

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