On Jan Łukasiewicz's many-valued logic and his criticism of determinism

  title={On Jan Łukasiewicz's many-valued logic and his criticism of determinism},
  author={Darek Łukasiewicz},
Dans le present article, on analyse l’assertion, avancee par Jan Łukasiewicz, que la veracite ou la faussete des propositions portant sur les evenements futurs contingents implique le determinisme. Pour eviter le determinisme, il faut, selon Łukasiewicz, rejeter la logique classique (binaire) et remplacer cette logique par la logique polyvalente (trivalente). La conception defendue par Łukasiewicz est examinee en rapport avec la these proposee par Susan Haack, selon laquelle la veracite des… 


A descoberta de sistemas formais polivalentes foi acompanhada de diferentes motivacoes filosoficas para o abandono da semântica bivalente e de teoremas da logica classica, como o Principio do

Husserl’s Early Phenomenology and the Ontology of Truth in the Lvov-Warsaw School

The paper addresses the question of how Kazimierz Twardowski’s metaphilosphy influenced the reception of Husserl’s early phenomenology and the development of the ontology of truth in the Lvov-Warsaw

Measuring Pragmatism by its Classical Tenets

  • P. Ochs
  • Philosophy
    Philosophy Journal
  • 2018
John E. Smith argued that there were almost as many pragmatisms as pragmatists. Almost all pragmatists criticized abstractive and reductive reasoning in the modern academy, but most entertained

Many-valued Logic in Poland: The Golden Age

The origin of many-valued logic was closely connected with the Lvov-Warsaw School (LWS) (see Wolenski, 1985). Here is an amazing case of the emergence of one of the most influential scientific

Improvement of good seamanship using specialized processes and algorithms onboard ships, in fleet operation centers, and in simulations

The concepts and the algorithms of a software suite that provides a user with problem-oriented advice about a particular risk endangering a vessel and its crew are presented and actionable guidance is proposed in an easy-to-understand human language.



Divine foreknowledge and human freedom are compatible

L'A. defend la these de la compatibilite entre l'existence et l'omniscience necessaires de Dieu et la liberte humaine. Examinant le cas du fatalisme logique et le cas du fatalisme theologique, l'A.

The Philosophical Case for Open Theism

The goal of this paper is to defend open theism vis-à-vis its main competitors within the family of broadly classical theisms, namely, theological determinism and the various forms of non-open

Philosophy of logics

1. 'Philosophy of Logics' 2. Validity 3. Sentence connectives 4. Quantifiers 5. Singular terms 6. Sentences, statements, propostions 7. Theories of truth 8. Paradoxes 9. Logic and logics 10. Modal

Open Theism, Omniscience, and the Nature of the Future

If the future is settled in the sense that it is exhaustively and truly describable in terms of what either will or will not obtain, then divine omniscience (the thesis that God knows all and only

Polish Logic 1920-1939.

The mid-twentieth century is searching for more humane views of philosophy, man and nature. It is therefore strange that Shaftesbury, with his keen awareness of the polarities of human

An introduction to non-classical logic

Introduction 1. Classical logic and the material conditional 2. Basic modal logic 3. Normal modal logics 4. Non-normal worlds strict conditionals 5. Conditional logics 6. Intuitionist logic 7.

: Past , Present , Future

We thank Steve Burks, Dick Thaler, and especially Matthew Rabin (who collaborated during part of the process) for helpful comments.

An Introduction to Non-Classical Logic: From If to Is

  • 2008

Logiki wielowartościowe, Warszawa: Wydawnictwo Naukowe PWN

  • 2006