Revista de filosofía (Chile) 70:133-147 (2014)

Authors
Alejandro Ramírez
Universidad de Chile
Abstract
S.Haack has defended the idea that in fuzzy logic it cannot be affirmed that the true values of a statement are themselves blurry. This article analyzes Haack position in the light of some current approaches of classic philosophy of logic, and from the cognitive point of view of philosophy of logic, especially from the theory of concepts. Under the said approaches, the thesis on non-gradation of truth appears significantly weakened
Keywords vagueness, truth, grade, cognition, fuzzy logic  vaguedad, verdad, grado, cognición, lógica fuzzy
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References found in this work BETA

Vagueness and Contradiction.Roy Sorensen - 2001 - Oxford University Press.
Introduction to Non-Classical Logic.Graham Priest - 2001 - Cambridge University Press.
The Ontology of Physical Objects. [REVIEW]William Carter - 1990 - Philosophical Review 102 (1):122-126.
Vagueness and Contradiction.Roy Sorensen - 2005 - Philosophy and Phenomenological Research 71 (3):695-703.

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