8 Ostensive Definition, Indexicality, ...

Anexplanationofanexpressionbyreferenceto

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Unformatted text preview: ometimes linked with the use of objects as samples. E.g. “This is red” may be used to pick out the object as a sample of the colour red. Samples, and thus ostensive definitions so used, play a crucial role in Wittgenstein’s account of what it is to follow a rule or order. 12 This contributes in undermining the Augustinian picture, for ostensive definitions linked with the use of objects as sample sets the standard of use, they do not link language with reality. An explanation of an expression by reference to a sample does not forge a link between language and reality: the sample itself is best conceived as a sign and hence as a part of grammar. As such it has, like a rule, a normative role. 13 Indexiality For the traditional, contemporary treatment of indexicals, see Kaplan 1977, “Demonstratives”, in Almog et als. eds., 1989, Themes from Kaplan, Oxford UP 14 Indexicals qua token­reflexives Reichenbach (1947) characterized indexicals as token reflexive. As such they can be defined in terms of the locution “this token”, where the latter (reflexively) self­refers to the very token used. 15 Token reflexives “I” can be defined in terms of “the person who utters this token”, “no...
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