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Three Conceptions of Formal Logic

In: Vivarium
Author:
Thom Paul University of Sydney

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Online Publication Date:
01 Jan 2010
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Abstract

Aristotle’s logical and metaphysical works contain elements of three distinct types of formal theory: an ontology, a theory of consequences, and a theory of reasoning. His formal ontology (unlike that of certain later thinkers) does not require all propositions of a given logical form to be true. His formal syllogistic (unlike medieval theories of consequences) was guided primarily by a conception of logic as a theory of reasoning; and his fragmentary theory of consequences exists merely as an adjunct to the syllogistic. When theories of consequences took centre stage in the Middle Ages, the original motivation for the theory of the syllogism was forgotten.

Title:
Three Conceptions of Formal Logic
Article Type:
Research Article
DOI:
https://doi.org/10.1163/156853410X489781
Language:
English
Pages:
228–242
Keywords:
syllogistic; reasoning; formal ontology; consequentiae; Aristotle
In:
Vivarium
In:
Volume 48: Issue 1-2
Publisher:
Brill
E-ISSN:
1568-5349
Print ISSN:
0042-7543
Subjects:
Medieval History, History, Intellectual History, Medieval Philosophy, Philosophy, Early Modern Philosophy

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