Logical Consequence and Logical Expressions

Theoria 18 (2):131-144 (2003)
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Abstract

The pretheoretical notions of logical consequence and of a logical expression are linked in vague and complex ways to modal and pragmatic intuitions. I offer an introduction to the difficulties that these intuitions create when one attempts to give precise characterizations of those notions. Special attention is given to Tarski’s theories of logical consequence and logical constancy. I note that the Tarskian theory of logical consequence has fared better in the face of the difficulties than the Tarskian theory of logical constancy. Other theories of these notions are explained and criticized

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Mario Gomez-Torrente
National Autonomous University of Mexico

References found in this work

Understanding Truth.Scott Soames - 1998 - Oxford and New York: Oxford University Press USA.
The concept of truth in formalized languages.Alfred Tarski - 1936 - In A. Tarski (ed.), Logic, Semantics, Metamathematics. Oxford University Press. pp. 152--278.
Informal Rigour and Completeness Proofs.Georg Kreisel - 1967 - In Imre Lakatos (ed.), Problems in the Philosophy of Mathematics. North-Holland. pp. 138--157.
What is logic?Ian Hacking - 1979 - Journal of Philosophy 76 (6):285-319.

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