Reply to Øystein Linnebo and Stewart Shapiro

In reply to Linnebo, I defend my analysis of Tait's argument against the use of classical logic in set theory, and make some preliminary comments on Linnebo's new argument for the same conclusion. I then turn to Shapiro's discussion of intuitionistic analysis and of Smooth Infinitesim...

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Main Author: Rumfitt, I
Format: Journal article
Language:English
Published: Routledge 2018
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author Rumfitt, I
author_facet Rumfitt, I
author_sort Rumfitt, I
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description In reply to Linnebo, I defend my analysis of Tait's argument against the use of classical logic in set theory, and make some preliminary comments on Linnebo's new argument for the same conclusion. I then turn to Shapiro's discussion of intuitionistic analysis and of Smooth Infinitesimal Analysis (SIA). I contend that we can make sense of intuitionistic analysis, but only by attaching deviant meanings to the connectives. Whether anyone can make sense of SIA is open to doubt: doing so would involve making sense of mathematical quantities (infinitesimals) whose relationship to zero and to one another is inherently indeterminate.
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spelling oxford-uuid:caabc48d-adea-49cb-a219-bd1c2ecf71462022-03-27T07:09:01ZReply to Øystein Linnebo and Stewart ShapiroJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:caabc48d-adea-49cb-a219-bd1c2ecf7146EnglishSymplectic Elements at OxfordRoutledge2018Rumfitt, IIn reply to Linnebo, I defend my analysis of Tait's argument against the use of classical logic in set theory, and make some preliminary comments on Linnebo's new argument for the same conclusion. I then turn to Shapiro's discussion of intuitionistic analysis and of Smooth Infinitesimal Analysis (SIA). I contend that we can make sense of intuitionistic analysis, but only by attaching deviant meanings to the connectives. Whether anyone can make sense of SIA is open to doubt: doing so would involve making sense of mathematical quantities (infinitesimals) whose relationship to zero and to one another is inherently indeterminate.
spellingShingle Rumfitt, I
Reply to Øystein Linnebo and Stewart Shapiro
title Reply to Øystein Linnebo and Stewart Shapiro
title_full Reply to Øystein Linnebo and Stewart Shapiro
title_fullStr Reply to Øystein Linnebo and Stewart Shapiro
title_full_unstemmed Reply to Øystein Linnebo and Stewart Shapiro
title_short Reply to Øystein Linnebo and Stewart Shapiro
title_sort reply to oystein linnebo and stewart shapiro
work_keys_str_mv AT rumfitti replytoøysteinlinneboandstewartshapiro