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  • Ingthorsson, RögnvaldurUmeå universitet,Institutionen för kostvetenskap,Institutionen för idé- och samhällsstudier (author)

The logical vs. the ontological understanding of conditions

  • Article/chapterEnglish2008

Publisher, publication year, extent ...

  • 2008-05-07
  • Springer,2008
  • printrdacarrier

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  • LIBRIS-ID:oai:DiVA.org:umu-9664
  • https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-9664URI
  • https://doi.org/10.1007/s12133-008-0027-xDOI

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  • Language:English
  • Summary in:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • According to the truth-functional analysis of conditions, to be ‘necessary for’ and ‘sufficient for’ are converse relations. From this, it follows that to be ‘necessary and sufficient for’ is a symmetric relation, that is, that if P is a necessary and sufficient condition for Q, then Q is a necessary and sufficient condition for P. This view is contrary to common sense. In this paper, I point out that it is also contrary to a widely accepted ontological view of conditions, according to which if P is a necessary and sufficient condition for Q, then Q is in no sense a condition for P; it is a mere consequence of P.

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  • Umeå universitetInstitutionen för kostvetenskap (creator_code:org_t)

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  • In:Metaphysica: Springer9:2, s. 129-1371437-20531874-6373

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