Multiple quantification and the use of special quantifiers in early sixteenth century logic (Q1844198)
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scientific article; zbMATH DE number 3443606
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Multiple quantification and the use of special quantifiers in early sixteenth century logic |
scientific article; zbMATH DE number 3443606 |
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Multiple quantification and the use of special quantifiers in early sixteenth century logic (English)
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1978
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In this paper I discuss two interrelated topics to do with supposition theory and the extensionalist analysis of propositions: 1) the use of 'a' and 'b' as special signs to produce respectively merely confused and determinate supposition in the terms following them; 2) the analysis of such non-standard propositions as ``There are some men all of whose donkeys are running''. In addition, I show how logicians in the medieval tradition handles such invalid inferences as ``Every man has a head, therefore there is a head that every man has''.
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