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THEORIA. Revista de Teoría, Historia y Fundamentos de la Ciencia 2009, 24 2

Autor: Marek POLA‹SKI

Fuente: http://www.redalyc.org/articulo.oa?id=339730809005


Introducción



THEORIA.
Revista de Teoría, Historia y Fundamentos de la Ciencia ISSN: 0495-4548 theoria@ehu.es Universidad del País Vasco-Euskal Herriko Unibertsitatea España POLASKI, Marek Goodmans Extensional Isomorphism and Syntactical Interpretations THEORIA.
Revista de Teoría, Historia y Fundamentos de la Ciencia, vol.
24, núm.
2, 2009, pp.
203211 Universidad del País Vasco-Euskal Herriko Unibertsitatea Donostia-San Sebastián, España Available in: http:--www.redalyc.org-articulo.oa?id=339730809005 How to cite Complete issue More information about this article Journals homepage in redalyc.org Scientific Information System Network of Scientific Journals from Latin America, the Caribbean, Spain and Portugal Non-profit academic project, developed under the open access initiative Goodmans Extensional Isomorphism and Syntactical Interpretations Marek POLA‹SKI BIBLID [0495-4548 (2009) 24: 65; pp.
203-211] ABSTRACT: The aim of the present paper is to provide a model-theoretic explication of Nelson Goodmans concept of extensional isomorphism.
The term extensional isomorphism has been infomally introduced by Nelson Goodman in the beginning paragraph of his The Structure of Appearance.
After some conceptual clari cations Goodmans concept of isomorphy turns out to be closely related to some variant of set-theoretic de nability and some variants of syntactical interpretability. Keywords: Goodman, extensional isomorphism, syntactical interpretations, model theory. 1. Introductory remarks The concept of extensional isomorphism was introduced by Nelson Goodman in an informal manner in the beginning paragraph of his The Structure of Appearance.
It was Goodmans intention to generalize the concept of explicit de nability.
Goodman considers the conditions of identity of the extensions of the de niendum and the de niens too strong for some philosophical purposes, especially in the context of so called constructional systems.
For such purposes, he argues, the requirement o...





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