Is Formal Logic a Science About Rational Arguments?

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11210%2F11%3A10100719" target="_blank" >RIV/00216208:11210/11:10100719 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Is Formal Logic a Science About Rational Arguments?
Original language description
The goal of this article is to explore the ways in which logic can contribute to study of rational argumentation. Basic concepts of valid, sound and rational argument are introduced. The concept of logical entailment is presented and its fundamental properties, i.e., necessity and formality, are explained. It is argued that these are essential properties of the entailment relation in all modern logical systems. It is mentioned that conclusions of most everyday''s arguments are not entailed by their premises. This objection against identifying rational arguments with sound ones is even strengthened by presenting defeasible arguments, which cannot even be turned into valid ones with true premises by adding additional premises. Systems for describing defeasible argumentation are mentioned, but it is argued that they are neither formal logical systems in the discussed sense, nor they can provide exhaustive description of rational argumentation.
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
AA - Philosophy and religion
OECD FORD branch
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Project
<a href="/en/project/GD401%2F09%2FH007" target="_blank" >GD401/09/H007: Logical foundations of semantics</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2011
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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