Table of contents
  1. Logic
  2. Metaphysics, Philosophy of Logic and Theory of Knowledge
  3. History of Philosophy
  4. Philosophy of Law
  5. Social Philosophy
  6. Studies on XXth Century Philosophers


I - LOGIC papers
French paper (Ph.D. dissertation)
Contradiction et vérité: Étude sur les fondements et la portée épistémologique d'une logique contradictorielle.
University of Liege (Belgium), July 1979.
Collection of huge PDF files
Spanish paper (book)
Introducción a las lógicas no-clásicas. Mexico: UNAM University Press, 1993. Pp. 240. ISBN 968-36-3451-6.
Spanish paper (book)
Rudimentos de lógica matemática. Madrid: CSIC Press Service, 1991. Pp. vi+324. ISBN 84-000-7156-5.
  1. Volume 1
  2. Volume 2
English paper
«A Chain of Fuzzy Strengthenings of Entailment Logic». Proceedings of the 3d Spanish Congress of Fuzzy Logic and Technology
  1. WordPerfect 5.1 binary file
  2. HTML browsable
  3. PDF file
  4. PS file (post Script)
Spanish translation of the same paper («Una cadena de reforzamientos difusos de la lógica del entrañamiento»)
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Spanish paper
«Algunos desarrollos recientes en la articulación de lógicas temporales», apud Lenguajes naturales y lenguajes formales IV.1, ed. by Carlos Martin Vide. Barcelona: Universitat de Barcelona, 1989, pp. 413-39. ISBN 84-7665-516-9.
  1. HTML format
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Spanish paper
«Nuevas aplicaciones filosóficas de lógicas multivalentes» (Theoria, # 16-17-18 de 1992), t. A, pp. 141-163. ISSN 0495-4548
  1. WordPerfect 5.1 document
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  4. gzip-compressed PostScript print file
English paper
«Is reasoning the same as relevant inference?». Paper delivered to the SOFIA (Sociedad Filosófica Ibero-Americana) annual conferencia, held in Tenerife, june de 1993.
  1. ZIP-compressed WordPerfect 5.1 document
  2. An .rtf (Rich Text Format) file.
Spanish paper
«Nuevos avances en la articulación y en las aplicaciones de lógicas aléticas», in LENGUAJES NATURALES Y LENGUAJES FORMALES VII, ed by Carlos Martín-Vide. Barcelona: PPU (Promociones y Publicaciones Universitarias), 1992, pp. 209-220. ISBN 84-7665-988-1. (It is a critical discussion of von Wright's contradiction-logics.). ZIP-compressed WordPerfect 5.1 document
Spanish paper
«Lógicas multivalentes» (Enciclopedia IberoAmericana de Filosofía, Madrid: Trotta-CSIC, 1995, pp. 323-49.) WordPerfect 5.1 file
Spanish paper
«Algunos aspectos del desarrollo de la lógica en el Brasil» (HTML document)
Spanish paper
Review of Gochet and Gribomont, Logique, Vol 1: Méthodes pour l'informatique fondamentale
English paper
Review of Nicola Grana Sulla teoria delle valutazioni di N.C.A. da Costa and Contraddizione e incompletezza
Spanish paper
Review of the book Antología de la lógica en América Latina
Spanish paper
«La crítica de Orayen a los lógicos relevantistas y el silogismo disyuntivo»
Spanish paper
Review of Paraconsistent Logic
Spanish paper
«¿Lógica combinatoria o teoría estándar de conjuntos?»
  1. HTML
  2. PDF
English paper
«Arguing from Facts to Duties (and Conversely)», (V ISSA Conference, Amsterdam, june 2002)
  1. HTML
  2. PDF


II - Metaphysics, Philosophy of Logic and Theory of Knowledge
Spanish paper (book)
Hallazgos filosóficos. Salamanca: Ediciones de la Universidad Pontificia de Salamanca, 1992. ISBN 84-7299-289-6. Pp. 363.
English paper
«Dialectics and Inconsistency», «Phonology» and «Nothing», in Handbook of Metaphysics and Ontology, ed. by H. Burkhardt & Barry Smith. Munich: Philosophia Verlag, 1991, ISBN 3-88405-080X.
  1. ZIP-compressed WordPerfect 5.1 document
  2. HTML format.
English paper
«Contradictions and Paradigms: A Paraconsistent Approach», in Cultural Relativism and Philosophy, edited by Marcelo Dascal. Leiden: E.J. Brill, 1991, pp. 29-56. ISBN 90-04-09433-4.
  1. Compressed PostScript print-file
  2. ZIP-compressed WordPerfect 5.1 document
  3. An .rtf (Rich Text Format) file.
Spanish version of the same paper
«Contradicciones y Paradigmas: Un Enfoque Paraconsistente », in Relativismo cultural y filosofía: Perspectivas norteamericana y latinoamericana, edited by Marcelo Dascal. México: UNAM, 1992, pp. 43-81. ISBN 968-36-2779-X.]
  1. ZIP-compressed WordPerfect 5.1 document
  2. An .rtf (Rich Text Format) file.
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Spanish paper
«¿Qué es una ontología gradual?», Agora 15/2 (Universidad de Santiago de Compostela, 1996), pp. 29-48. [Co-authored with Marcelo Vásconez.] ISSN 0211-6642.
  1. WordPerfect 5.1 document
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English paper
«Partial Truth, Fringes and Motion: Three Applications of a Contradictorial Logic», Studies in Soviet Thought, vol 37 (Dordrecht: Kluwer, 1990), pp. 83-122. ISSN 0039-3797.
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Spanish paper
«Sorites bibliotecarios», en Siempre estuvimos en Alejandría, ed. por Julia García Maza. Madrid-Valencia: Asociación de amigos de la Biblioteca de Alejandría & Edicions Alfons el Magnànim, 1997. ISBN: 8479521848. PP. 203-20.
  1. HTML format
  2. WordPerfect 5.1 file
English paper
«The Boundary between Scientific and Non-Scientific Knowledge» Delivered at the SOFIA conference in Salamanca, june 1991. ZIP-compressed WordPerfect 5.1 document.
Spanish paper
«Los confines del saber científico», in CALCULEMOS: MATEMÁTICAS Y LIBERTAD, ed. by J. Echeverría, J. de Lorenzo & L. Peña, Madrid: Trotta, 1996, pp 343-362. ISBN 848-1640832. ZIP-compressed WordPerfect 5.1 document
Spanish paper
«Enfoques paraconsistentes en filosofía de la religión». Paper published in an anthology on philosophy of religion. ZIP-compressed WordPerfect 5.1 document
English paper
«Naturalized Epistemology and Degrees of Knowledge». (Paper delivered at the I Conference of SOFIA (Sociedad de Filosofía Iberoamericana), Tepoztlán (Mexico), august 1988.). ZIP-compressed WordPerfect 5.1 document
Spanish paper
«Grados de posibilidad metafísica», REVISTA DE FILOSOFÍA, vol. VI/9 (Madrid: Editorial Complutense, 1993), pp. 15-57. ISBN 0214-4921. discussion issues in of modal realism. ZIP-compressed WordPerfect 5.1 document
Spanish paper
«Grados, franjas y líneas de demarcación», REVISTA DE FILOSOFÍA, Madrid 9/16 (1996), Pp. 121-149. ISSN 0214-4921. (A discussion of the SORITES problem.)
  1. ZIP-compressed WordPerfect 5.1 document
  2. HTML format
  • Review of Geoffrey Sampson's Writing Systems.


  • III - History of Philosophy
    English paper
    «The Conflict among Virtues in Plato's Statesman» (WordPerfect 5.1 file)
    French paper
    «Leibniz aux prises avec la catégorie aristotélicienne de relation: Remarques sur plusieurs lectures contemporaines». Hannovre, 5th International Leibniz Congress. 1988.
    1. ZIP-compressed WordPerfect 5.1 document
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    French paper
    «Le choix de Dieu ou le principe du meilleur», DIALECTICA, vol. 47, Fasc. 2-3 (1993), pp. 217-54. ISSN 0012-2017.
    1. HTML format
    2. ZIP-compressed WordPerfect 5.1 document
    3. An .rtf (Rich Text Format) file.
    French paper
    «De la logique combinatoire des GENERALES INQUISITIONES aux calculs combinatoires contemporains». THEORIA (Spain), Nº 14-15 (oct. 1991), pp. 129-59. ISSN 0495-4548. ZIP-compressed WordPerfect 5.1 document
    French paper
    «L'altérité conjecturale et la critique des opinions d'autrui chez Nicolas de Cuse». (Paper delivered to the XXIII Congress of French-Speaking Philosophical Societies). Hammamet (Tunisia), september 1990.
    1. HTML format
    2. WordPerfect 5.1 document
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    French paper
    «Le paradoxe de l'être mourant chez St Augustin et chez Leibniz». in LA VIE ET LA MORT, ed. by M. Vadée. Poitiers: Société Poitevine de philosophie, 1996, pp. 287-289. ISBN 2-9508689-0-8. ZIP-compressed WordPerfect 5.1 document
    English paper
    «Essence and Existence in Leibniz's Ontology», Synthesis Philosophica, vol. 65 (Zagreb, 1997, ISSN 0351-4106), pp. 363-377.
    1. WordPerfect 5.1 document
    2. HTML format
    Spanish paper
    «DIALÉCTICA, LÓGICA Y FORMALIZACIÓN: DE HEGEL A LA FILOSOFÍA ANALÍTICA». Cuadernos Salmantinos de Filosofía, vol. XIV, pp.149-171, 1987. ISSN 0210-4857.
    1. WordPerfect 5.1 document
    2. HTML format
    3. PDF format
    Spanish paper
    «Armonía y continuidad en el pensamiento de Leibniz: Una ontología barroca», CUADERNOS SALMANTINOS DE FILOSOFÍA XVI (1989), pp. 19-55. ISSN 0210-4857.
    1. HTML format
    2. ZIP-compressed WordPerfect 5.1 document
    3. An .rtf (Rich Text Format) file.
    Spanish paper
    «El pluscuamracionalismo de Nicolás de Cusa: las contradicciones allende la contradicción», REVISTA ESPAÑOLA DE FILOSOFÍA MEDIEVAL # 0 (Zaragoza: 1993), pp. 143-158. ISSN 1133-0902. A study of Nicholas de Cusa's approach to true contradictions. ZIP-compressed WordPerfect 5.1 document
    Spanish paper
    «La igualdad intelectual como principio de lo múltiple en el pensamiento del Cusano», ANUARIO FILOSÓFICO vol. 28 (Universidad de Navarra, 1995), pp. 711-736. ISSN 0066-5215. A study of Nicholas de Cusa's metaphysics. ZIP-compressed WordPerfect 5.1 document
    English paper
    «Leibniz on the Allegiance due to a de Facto Power». (Paper delivered to the VI International Leibniz Congress, Hannover, july 1994: Leibniz und Europa (VI. Internationaler Leibniz-Kongress), pp. 169-176. Hannover: Gottfried-Wilhelm-Leibniz-Gesellschaft. ISBN 3-9800978-7-0.
    1. WordPerfect 5.1
    2. HTML
    In Spanish
    «La idea del bien común en la filosofía medieval y renacentista»
    In Spanish
    Review of Otto Saame, El principio de razón en Leibniz


    IV - Philosophy of Law
    Spanish paper
    «Un acercamiento lógico-filosófico a los derechos positivos» (Paper delivered to the VIIth Ecuadorian Congress of Philosophy, held in Cuenca (Ecuador), october 1997. [Published in the Proceedings.])
    1. HTML format
    2. WordPerfect 5.1 document
    Spanish paper
    «El bien común, principio básico de la ley natural» Isegoría # 17 (nov. 1997), pp. 137-163. ISSN 1130-2097.
    1. WordPerfect 5.1 document
    2. HTML format
    Spanish paper
    «El problema de los dilemas morales en la filosofía analítica», Isegoría 3 (Madrid, april 1991), pp. 43-79. ISSN 1130-2097. ZIP-compressed WordPerfect 5.1 document
    Spanish paper
    Review of Manuel Atienza and Juan Ruiz Manero, Las piezas del derecho: Teoría de los enunciados jurídicos.
    Spanish paper
    «Un puente jurídico entre Iberoamérica y Europa: la Constitución española de 1812» (paper published in América y Europa: identidades, exilios y expectativas, ed. by José Mª González. Madrid: Casa de América-CSIC, 2002, pp. 95-114.)
    1. HTML
    2. PDF
    Spanish paper
    «El derecho de extranjería en los ordenamientos constitucionales» (Isegoría, # 26 (Madrid, 2002), pp. 181-217)
    1. HTML
    2. PDF


    V - Social Philosophy
    French paper
    «Le droit d'émigrer», PHILOSOPHIE POLITIQUE 3 (Paris: PUF, june 1993), pp. 97-110. ISBN 2-13-045430-5.
    1. (HTML format)
    2. ZIP-compressed WordPerfect 5.1 document
    French paper
    «L'Europe existe-t-elle?». Paper delivered at the Hispano-french philosophical Colloquium [held in Madrid, on 29-09-1993]. (HTML format)
    English paper
    «In Defense of Full-Scale Planning», SCIENCE AND SOCIETY 57/2 (New York: Guilford Press, summer 1993), pp. 204-13. ISSN 0036-8237. (HTML format)
    English paper
    «Flew on Entitlements and Justice», INTERNATIONAL JOURNAL OF MORAL AND SOCIAL STUDIES 4/3 (autumn 1989), pp. 259-63. ISSN 0267-9655.
    1. HTML
    2. PDF
    Spanish paper
    Review of Richard Ryder's Animal Revolution
    English paper
    «Anthropoid Rights and Paternalism», Etica ed animali vol 8 (1996) (special issue devoted to the Great Ape Project), pp 155-177.
    1. (HTML format)
    2. ZIP-compressed WordPerfect 5.1 document


    VI - Studies on XXth Century Analytical Philosophers
    English paper
    Review of D.A. White's LOGIC AND ONTOLOGY IN HEIDEGGER
    1. PDF
    2. HTML
    Spanish paper
    «La metafísica de Héctor Castañeda», THEORIA (Spain), 16-17-18 (octobre 1992), t. A, pp 387-407. ISSN 0495-4548.
    1. ZIP-compressed WordPerfect 5.1 document
    2. An .rtf (Rich Text Format) file.
    English paper
    Review of Douglas Walton, Slippery Slope Arguments, Pragmatics and Cognition, I/2 (1993), pp. 401-410.
    1. HTML format
    2. ZIP-compressed WordPerfect 5.1 document
    Spanish paper
    Review of L.E. Hahn & P.A. Schilpp (eds.), The Philosophy of W.V. Quine. Arbor 543 (march 1991), pp. 135-8. ZIP-compressed WordPerfect 5.1 document
    English paper
    Review of Christopher Hookway, Quine: Language, Experience, and Reality, Canadian Philosophical Reviews, X/11 (nov. 1990), pp. 449-52. ISSN 0228-491X. ZIP-compressed WordPerfect 5.1 document.
    English paper
    «Alboran is and is not dry: Katalin Havas on Logic and Dialectics», Logique et Analyse 131-132 (1990), pp. 331-338.
    1. Compressed PostScript print-file
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    English paper
    Review of Lloyd P. Gerzon (ed.), Graceful Reason: Essays in Ancient and Medieval Philosophy Presented to Joseph Owens. Philosophia XIX/1 (Bar Ilan University (Israel) may 1989), pp. 73-79. ISSN 0048-3893. (HTML format)
    Spanish paper
    «Quine y el intento neopositivista de superación de la metafísica», in Reexamen del neopositivismo. Salamanca: Sociedad Castellano-Leonesa de Filosofía, 1992, pp. 39-64. ISBN: 84-604-4394-9. ZIP-compressed WordPerfect 5.1 document
    Spanish paper
    «¿Quedó arrasada la dialéctica? Discusión de los argumentos de Mario Bunge» in Lenguajes naturales y lenguajes formales VII, ed. by Carlos Martín-Vide. Barcelona: PPU (Promociones y Publicaciones Universitarias), 1992, pp. 501-14. ISBN 84-7665-988-1. (A defense of dialectics against Mario Bunge's refutation.). ZIP-compressed WordPerfect 5.1 document
    English paper
    «Notes on Bergmann's New Ontology and Account of Relations», Philosophy Research Archives (Bowling Green University, 1987), pp. 221-49. ISSN 0164-0771.
    1. ZIP-compressed WordPerfect 5.1 document
    2. An .rtf (Rich Text Format) file.
    English paper
    Critical notice on Subject, Thought and Context, ed. by Philip Pettit and John Mcdowell, Philosophia 24/1-2 (Bar Ilan University (Israel) december 1994), pp. 235-48. ISSN 0048-3893. [Co-authored with Manuel Liz.]. ZIP-compressed WordPerfect 5.1 document.
    English paper
    Review of W. V. Quine, Quiddities. Contextos, 15-16 (1990), pp. 303-6.
    1. ZIP-compressed WordPerfect 5.1 document
    2. HTML
    English paper
    Review Roger Gibson's Enlightened Empiricism: An Examination of W.V. Quine's Theory of Knowledge
    Spanish paper
    «El hombre como animal cultural en la concepción de Carlos París»
    Spanish paper
    Review of the book Antonio Machado y la filosofía
    Spanish paper
    Review of X. Pikaza's book Dios como espíritu y persona.

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