Indexicals,context-sensitivity and the failure of implication |
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Authors: | Gillian Russell |
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Institution: | (1) Department of Philosophy, University of Manchester, Oxford Road, Manchester, M13 9PL, UK |
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Abstract: | This paper investigates, formulates and proves an indexical barrier theorem, according to which sets of non-indexical sentences
do not entail (except under specified special circumstances) indexical sentences. It surveys the usual difficulties for this
kind of project, as well some that are specific to the case of indexicals, and adapts the strategy of Restall and Russell’s
“Barriers to Implication” to overcome these. At the end of the paper a reverse barrier theorem is also proved, according to
which an indexical sentence will not, except under specified circumstances, entail a non-indexical one. |
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Keywords: | |
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