Aim, the Scope and Editorial Policy of the Journal (full text PDF)

Jerzy Perzanowski:

Locative Ontology. Parts I–III (full text PDF 1, PDF 2, PDF 3)

Florencio G. Asenjo:

Continua Without Sets (full text PDF)

Uwe Scheffler:

On the Logic of Event Causation. Part I (full text PDF)

Zdzisław Augustynek:

Eventism and Pointism (full text PDF)

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Preface (full text PDF)

Krister Segerberg:

A Festival of Facts (full text PDF)

Uwe Meixner:

Events and Their Reality (full text PDF)

Uwe Scheffler:

Events as Shadowy Entities (full text PDF)

Max Urchs:

On Causality. Ingarden's Analysis vs. Jaśkowski's Logic (full text PDF)

Jacek Paśniczek:

Ways of Reference to Meinongian Objects. Ontological Commitments Meinongian Theories (full text PDF)

Roberto Poli:

Formal Aspects of Reduplication (full text PDF)

Yaroslav Shramko:

Relevant Properties (full text PDF)

Horst Wessel:

The Identity of Strong Indiscernibility (full text PDF)

Ingolf Max:

Existence, the Square of Opposites, and Two-dimensional Logic (full text PDF)

Reviews (full text PDF)

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Zdzisław Augustynek:

Realisms: Temporal and Spatial (full text PDF)

Aldo Bressan:

Again on Relativistic Semantics (full text PDF)

Max Urchs:

Comments on Aldo Bressan's Paper (full text PDF)

Preface (full text PDF)

Wojciech Buszkowski:

Grammatical Structures and Logical Deductions (full text PDF)

Janusz Czelakowski:

Logics and Operators (full text PDF)

Henning Hintze

Merits of a Leśniewski Type Nominalism (full text PDF)

Witold Marciszewski:

Would Leibniz Have Shared von Neumann's Logical Physicalism? (full text PDF)

Thomas Mormann:

Trope Sheaves: A Topological Ontology of Tropes (full text PDF)

Pirmin Stekeler-Weithofer:

What Is a Meaningful Name? (full text PDF)

Erwin Tegtmeier:

Diversity (full text PDF)

Klaus Wuttich:

Are the Future and the Past Really Opacity-Creating Operators? (full text PDF)

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Achille C. Varzi:

Reasoning About Space: The Hole Story (full text PDF)

Jan Woleński:

Against Truth as Coherence (full text PDF)

Florencio G. Asenjo:

Antinomicity and the Axiom of Choice. A Chapter in Antinomic Mathematics (full text PDF)

Adam Kolany:

A General Method of Solving Smullyan's Puzzles (full text PDF)

Andrzej Pietruszczak:

Mereological Sets of Distributive Classes (full text PDF)

Aldo Bressan:

Some Answers to Max Urchs' Comments on a Paper by A. Bressan (full text PDF)

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Adam Drozdek:

Logic and Ontology in the Thought of Bolzano (full text PDF)

Tomasz Placek:

On Brouwer's Criticism of Classical Logic and Mathematics (full text PDF)

Don Faust:

The Concept of Negation (full text PDF)

Lars Gundersen:

The Master Argument and Branching Time (full text PDF)

Cezary Gorzka:

On Russell's Definition of Moments of Time (full text PDF)

Thomas Mormann:

Topological Aspects of Combinatorial Possibility (full text PDF)

Tomasz Placek:

Charting the Labyrinth of Bell-Type Theorems (full text PDF)

Roman Tuziak:

Finitely Many-Valued Paraconsistent Systems (full text PDF)

Jean-Yves Béziau:

Logic may be Simple. Logic, Congruence and Algebra (full text PDF)

Max Urchs:

Deductive Models and Practical Reasoning (full text PDF)

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Editorial (full text PDF)

Wilfrid Hodges:

Compositionality Is Not the Problem (full text PDF)

Thomas Mormann:

Continuous Lattices and Whiteheadian Theory of Space (full text PDF)

Marek Nasieniewski:

Is Stoic Logic Classical? (full text PDF)

Fabrice Pataut:

Incompleteness, Constructivism and Truth (full text PDF)

Uwe Petermann:

Theorem Proving with Built-In Hybrid Theories (full text PDF)

Marek Rosiak:

Some Ontological Problems Concerning Predication (full text PDF pp. 109–120, p. 121, pp. 122–131)

Burkhard Schäfer:

Leśniewski-Quantifiers and Modal Arguments in Legal Discourse (full text PDF)

Richard Schantz:

Was Tarski a Deflationist? (full text PDF)

Dirk Ullrich:

A General Principle for Purely Model-Theoretical Proofs of Gödel's Second Incompleteness Theorem (full text PDF)

Mariusz Urbański:

Some Remarks Concerning Modal Propositional Logic of Questions (full text PDF)

Max Urchs:

Making Use of Logic (full text PDF)

Jan Woleński:

Notes on Reference (full text PDF)

Frank Wolter:

The Algebraic Face of Minimality (full text PDF)

Wojciech Żełaniec:

Is “Being” Predicated in Only One Sense, After All? (full text PDF)

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No. 7, 1999, pp. 209 (Parainconsistency. Part I) Editors: Jerzy Perzanowski and Andrzej Pietruszczak Preface (full text PDF) Professor Newton C.A. da Costa: Awarded Nicholas Copernicus University Medal of Merit (full text PDF) Program of the Conference, List of Participants & Acknowledgements Jerzy Perzanowski: Fifty Years of Parainconsistent Logics (full text PDF) Newton C.A. da Costa: Opening Address: Paraconsistent Logic (full text PDF) Stanisław Jaśkowski: A Propositional Calculus for Inconsistent Deductive Systems (full text PDF) Stanisław Jaśkowski: On the Discussive Conjunction in the Propositional Calculus for Inconsistent Deductive Systems (full text PDF) Newton C.A. da Costa and Roque da C. Caiero: k-Transforms in Classical and Paraconsistent Logics (full text PDF) Alexander S. Karpenko: Jaśkowski's Criterion and Three-Valued Paraconsistent Logics (full text PDF) V.M. Popov: On the Logics Related to A. Arruda's System V1 (full text PDF) Carlos A. Oller: Paraconsistency and Analyticity (full text PDF) Seiki Akama: Nelson's Paraconsistent Logics (full text PDF) Anna Pietryga: Paraconsistent Logics, Conventionalism and Ontology (full text PDF) Wojciech Suchoń: Vasil'iev: What Did He Exactly Do? (full text PDF) Bożena Kuśnierz: Remarks on Vasil'iev's Investigations of Contradictions (full text PDF) Max Urchs: Scraping Heavens. On Inconsistencies in Sciences (full text PDF) Manuel Bremer: Can Contradictions be Asserted? (full text PDF) Joanna Odrowąż-Sypniewska: Heaps and Gluts. Paraconsistent Logic Applied to Vagueness (full text PDF) Helen N. Shulga: Rational Hermeneutics and Paraconsistency (full text PDF)

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No. 8, 2000, pp. 205 (Parainconsistency. Part II) Editors: Jerzy Perzanowski and Andrzej Pietruszczak Editorial Note (full text PDF) Diderik Batens: Towards the Unification of Inconsistency Handling Mechanisms (full text PDF) Joke Meheus: On the Acceptance of Problem Solutions Derived from Inconsistent Constraints (full text PDF) Guido Vanackere: Preferences as Inconsistency-resolvers. The Inconsistency-Adaptive Logic PRL (full text PDF) Kristof De Clercq: Two new Strategies for Inconsistency-Adaptive Logics (full text PDF) Grzegorz Malinowski: Inferential Paraconsistency (full text PDF) Yu.V. Ivlev: Quasi-matrix Logic as a Paraconsistent Logic for Dubitable Information (full text PDF) Luis Fariñas del Cerro and Olivier Gasquet: Minimal Structures for Modal Tableaux. Some Examples (full text PDF) Walter A. Carnielli, João Marcos and Sandra de Amo: Formal Inconsistency and Evolutionary Databases (full text PDF) Uwe Petermann: On the Practical Value of Herbrand Disjunctions (full text PDF) Kazumi Nakamatsu: On the Relation Between Vector Annotated Logic Programs and Defeasible Theories (full text PDF)

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No. 9, 2001, pp. 212 (Parainconsistency. Part III) Editors: Jerzy Perzanowski and Andrzej Pietruszczak Editorial Note (full text PDF) Jerzy Perzanowski: Parainconsistency, or Inconsistency Tamed, Investigated and Exploited (full text PDF) Lafayette de Moraes and Jair Minoro Abe: Some Results on Jaśkowski's Discursive Logic (full text PDF) Vladimir L. Vasyukov: A New Axiomatization of Jaśkowski's Discussive Logic (full text PDF) Marek Nasieniewski: A Comparison of Two Approaches to Parainconsistency: Flemish and Polish (full text PDF) Krister Segerberg: A Completeness Proof in Full DDL (full text PDF) S.P. Odintsov: Logic of Classical Refutability and Class of Extensions of Minimal Logic (full text PDF) Francesco Paoli: Logic and Groups (full text PDF) Jair Minoro Abe and Leonardo Pujatti: A Meta-Interpreter Based on Paraconsistent Legal Knowledge Engineering (full text PDF) Don Faust: Conflict Without Contradiction. Paraconsistency and Axiomatizable Conflict Toleration Hierarchies in Evidence Logic (full text PDF) Elena D. Smirnova: The Problem of Formalization of Some Nonstandard Semantics (full text PDF) Sten Lindström: Horwich's Minimalist Conception of Truth. Some Logical Difficulties (full text PDF) Anna Gomolińska: Parainconsistency of Credibility-Based Belief States (full text PDF) Krzysztof Wójtowicz: Some Remarks on Hartry Field's Notion of “Logical Consistency” (full text PDF)

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No. 10, 2002, pp. 232 (Third German-Polish Workshop on Logic & Logical Philosophy) Editors: Jerzy Perzanowski and Andrzej Pietruszczak Guest Editors: Anna Gomolińska, Max Urchs and Heinrich Wansing Preface (full text PDF) Tadeusz Czarnecki: G.E. Moore on Logical Possibility (full text PDF) Anna Gomolińska: Derivability of Rules from Rule Complexes (full text PDF) Reinhard Kahle: Structured Belief Bases (full text PDF) Piotr Łukowski: A Deductive-Reductive form of Logic: General Theory and Intuitionistic Case (full text PDF) Piotr Łukowski: A Deductive-Reductive form of Logic: Intuitionistic S4 Modalities (full text PDF) Roman Murawski: Truth vs. Provability – Philosophical and Historical Remarks (full text PDF) Jacek Paśniczek: Equating Categorically Names and Quantifiers within First-Order Logic (full text PDF) A. Prusińska, L. Szczerba Geometry as an Extension of the Group Theory (full text PDF) Werner Stelzner: Compatibility and Relevance: Bolzano and Orlov (full text PDF) Holger Sturm: The True Bisimulations for `Since' and `Until' (full text PDF) Heinrich Wansing: Seeing to it that an Agent Forms a Belief (full text PDF) Jan Westerhoff: Defining Ontological Categories in an Expansion of Belief Dynamics (full text PDF) Jan Woleński: Metalogical Properties, Being Logical and Being Formal (full text PDF) Marcin Wolski: Notes on the Geometry of Logic and Philosophy (full text PDF)

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No. 11/12, 2003, pp. 348 (“Proceedings of Logico-Philosophical Flemish-Polish Workshops II–IV” and “Varia”) Editor: Jerzy Perzanowski Diderik Batens: Criteria Causing Inconsistencies. General Gluts as Opposed to Negation Gluts, 5–37 (full text PDF) Diderik Batens, Joke Meheus, Dagmar Provijn, and Liza Verhoeven: Some Adaptive Logics for Diagnosis, 39–65 (full text PDF) Wim Christiaens: A Note Concerning the Place of Contradictions in the Ontologies of Constitution, 67–78 (full text PDF) Roland Hinnion: About the Coexistence of “Classical Sets” with “Non-classical” Ones: A Survey, 79–90 (full text PDF) Thierry Libert: ZF and the Axiom of Choice in Some Paraconsistent Set Theories, 91–114 (full text PDF) Jacek Malinowski: The Pragmatic Interpretation of Utterances, 115–127 (full text PDF) Joke Meheus: Inconsistencies and the Dynamics of Science, 129–148 (full text PDF) S.P. Odintsov: “Reductio ad absurdum” and Łukasiewicz's Modalities, 149–166 (full text PDF) Jerzy Perzanowski: A Profile Of Masonic Synthesis, 167–189 (full text PDF) Sonja Smets: In Defense of Operational Quantum Logic, 191–212 (full text PDF) Guido Vanackere: Change in individuals without a name. Contextual indicators and the free change-adaptive logic, 213–230 (full text PDF) Jean Paul Van Bendegem: Classical Arithmetic is Quite Unnatural, 231–249 (full text PDF) Bart Van Kerkhove: Vagueness Unlimited: In Defence of a Pragmatical Approach to Sorites Paradoxes, 251–276 (full text PDF) Liza Verhoeven: Changing one's position in a discussion — Some adaptive approaches, 277–297 (full text PDF) Dale Jacquette: Conditional Intent in the Strange Case of Murder by Logic, 301–316 (full text PDF) Joanna Odrowąż-Sypniewska: Gareth Evans's Argument Against Vague Identity, 317–339 (full text PDF) Stefano Predelli: Unbound Riches: Comparative Adjectives and the Argument from Binding, 341–348 (full text PDF)

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No. 13, 2004, pp. 166 Editors: Marek Nasieniewski and Andrzej Pietruszczak Pavel Materna: Quine's Criticism of the “First Dogma of Empiricism”, 5–30 (full text PDF) Jon Cogburn: Tonking a Theory of Content: An Inferentialist Rejoinder, 31–55 (full text PDF) Barry Hartley Slater: Ramseying Liars, 57–70 (full text PDF) Nathaniel Goldberg: McTaggart on Time, 71–76 (full text PDF) Andreas B.M. Brunner: First-order Anti-intuitionistic Logic with Apartness, 77–88 (full text PDF) Andrzej Pietruszczak: The Consequence Relation Preserving Logical Information, 89–120 (full text PDF) Andrzej Pietruszczak: The Axiomatization of Horst Wessel's Strict Logical Consequence Relation, 121–138 (full text PDF) Marek Nasieniewski: The Relational Syllogistic, 139–145 (full text PDF) Tomasz Jarmużek, Andrzej Pietruszczak: Completeness of Minimal Positional Calculus, 146–162 (full text PDF) Book Reviews, 163–166 (full text PDF)

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Vol. 14 No. 1, 2005, pp. 126 (was published as issue No. 14) Editors: Marek Nasieniewski and Andrzej Pietruszczak Guest Editor: Erik Weber Erik Weber: Patterns of Scientific Reasoning: An Introduction, 3–5 (full text PDF) Jean Paul Van Bendegem: The Collatz Conjecture. A Case Study in Mathematical Problem Solving, 7–23 (full text PDF) Wojciech Sady: The Discovery of the Law of Gravitation from the Logical Point of View, 25–35 (full text PDF) Sonja Smets: The Modes of Physical Properties in the Logical Foundations of Physics, 37–53 (full text PDF) Erik Weber, Leen De Vreese: The Causes and Cures of Scurvy. How Modern was James Lind's Methodology?, 55–67 (full text PDF) Tim De Mey: Tales of the Unexpected. Incongruity-Resolution in Humor Comprehension, Scientific Discovery and Thought Experimentation, 69–88 (full text PDF) Erik Weber, Jeroen Van Bouwel: Coping with Inconsistencies: Examples from the Social Sciences, 89–101 (full text PDF) Jacek Malinowski: Some Remarks on Axiomatizing Logical Consequence Operations, 103–117 (full text PDF) Book Reviews, 119–126 (full text PDF)

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Vol. 14 No. 2, 2005, pp. 141 Editors: Marek Nasieniewski and Andrzej Pietruszczak Charles W. Sayward: A Wittgensteinian Philosophy of Mathematics, 129–144 (full text PDF) Anna Sierszulska: Meinongian Extensions of Predicates, 145–163 (full text PDF) Joseph E. Brenner: Process in Reality: A Logical Offering, 165–202 (full text PDF) Jacek Malinowski: Logic of Simpson Paradox, 203–210 (full text PDF) Andrzej Pietruszczak: Pieces of Mereology, 211–234 (full text PDF) Janusz Ciuciura: On the da Costa, Dubikajtis and Kotas' System of the Discursive Logic, D2*, 235–252 (full text PDF) Krystyna Mruczek-Nasieniewska: P-compatible Abelian Groups, 253–263 (full text PDF) Book Reviews, 265–267 (full text PDF)

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Vol. 15 No. 1, 2006, pp. 96 Editors: Marek Nasieniewski and Andrzej Pietruszczak Charles W. Sayward: What Is The Logic of Propositional Identity, 3–15 (full text PDF) Andrew Schumann: A Lattice for the Language of Aristotle's Syllogistic and a Lattice for the Language of Vasiliev's Syllogistic, 17–37 (full text PDF) Zbigniew Tworak: Analogy and Diagonal Argument, 39–68 (full text PDF) Max Urchs: Just Lying, 69–90 (full text PDF) Book Reviews, 91–96 (full text PDF)

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Vol. 15 No. 2, 2006, pp. 75 Editors: Marek Nasieniewski and Andrzej Pietruszczak Jean-Yves Béziau: The Paraconsistent Logic Z. A Possible Solution to Jaśkowski's Problem, 99–111 (full text PDF) Gemma Robles, José M. Méndez: Converse Ackermann Property and Constructive Negation Defined with a Negation Connective, 113–130 (full text PDF) Athanassios Tzouvaras: How Effective Indeed is Present-day Mathematics?, 131–153 (full text PDF) Anna Pietryga: Two Kinds of Unexpected Problems in Writings on Logic, 155–162 (full text PDF) John Cantwell: The Laws of Non-bivalent Probability, 163–171 (full text PDF)

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Vol. 15 No. 3, 2006, pp. 107 Editors: Marek Nasieniewski and Andrzej Pietruszczak José M. Méndez, Gemma Robles: Relevance Logics, Paradoxes of Consistency and the K rule II. A Non-constructive Negation, 175–191 (full text PDF) Michał Walicki: Modalities as Interactions between the Classical and the Intuitionistic Logics, 193–215 (full text PDF) Maria K. Timofeeva: Introspective and Traditional Views of Language, 217ndash;237 (full text PDF) Krystyna Mruczek-Nasieniewska: Externally Compatible Abelian Groups of the Type (2,1,0), 239–250 (full text PDF) Norihiro Kamide: Extended Full Computation-tree Logics for Paraconsistent Model Checking, 251–276 (full text PDF) Book Reviews, 277–279 (full text PDF)

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Vol. 15 No. 4, 2006, pp. 99 (Towards Mathematical Philosophy. Trends in Logic IV. Part 1) Editors: Marek Nasieniewski and Andrzej Pietruszczak Roman Murawski: Troubles with (the Concept of) Truth in Mathematics, 285–303 (full text PDF) J.W. Degen, J.M. Werner: Towards Intuitionistic Dynamic Logic, 305–324 (full text PDF) Mark Jago: Hintikka and Cresswell on Logical Omniscience, 325–354 (full text PDF) Maciej Nowicki: Anselm and Russell, 355–368 (full text PDF) Anna Pietryga: Tarski's T-scheme as an Alleged Basis of Montague Semantics, 369–379 (full text PDF)

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Vol. 16 No. 1, 2007, pp. 102 Editors: Marek Nasieniewski and Andrzej Pietruszczak Pavel Materna: Once more on Analytic vs. Synthetic, 3–44 (full text PDF) Charles Sayward: Quine and his Critics on Truth-Functionality and Extensionality, 45–63 (full text PDF) Marcin Tkaczyk: A Formal Theory of Physical Necessity, 65–83 (full text PDF) Tomasz Jarmużek: Construction of Tableaux for Classical Logic: Tableaux as Combinations of Branches, Branches as Chains of Sets, 85–101 (full text PDF)

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Vol. 16 No. 2–3, 2007, pp. 160 Editors: Marek Nasieniewski and Andrzej Pietruszczak Norihiro Kamide and Motohiko Mouri: Natural Deduction Systems for Some Non-commutative Logics, 105–146 (full text PDF) Andrzej Indrzejczak: Modal Hybrid Logic, 147–257 (full text PDF) Book Reviews, 259–262 (full text PDF)

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Vol. 16 No. 4, 2007, pp. 90 Editors: Marek Nasieniewski and Andrzej Pietruszczak Steffen Ducheyne and Erik Weber: The Concept of Causation in Newton's Mechanical and Optical Work, 265–288 (full text PDF) Marcin Tkaczyk: Is the Ontological Proof for God's Existence an Ontological Proof for God's Existence?, 289–309 (full text PDF) Gemma Robles: Extensions of the Basic Constructive Logic for Weak Consistency BKci Defined with a Falsity Constant, 311–332 (full text PDF) Jui-Lin Lee: Classical Model Existence and Left Resolution, 333–352 (full text PDF)

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Vol. 17 No. 1–2, 2008, pp. 207 (To the memory of Alexander Vladimirovich Kuznetsov) Editors: Marek Nasieniewski and Andrzej Pietruszczak Guest Editors: Alexei Y. Muravitsky and Sergei P. Odintsov Alexei Y. Muravitsky and Sergei P. Odintsov: From the Guest Editors, 5–7 (full text PDF) Alexei Y. Muravitsky: Alexander Vladimirovich Kuznetsov, 9–21 (full text PDF) Alexander Citkin: A Mind of a Non-countable Set of Ideas, 23–39 (full text PDF) Alexei Y. Muravitsky: The Contribution of A.V. Kuznetsov to the Theory of Modal Systems and Structures, 41–58 (full text PDF) Sergei Artemov and Elena Nogina: The Topology of Justification, 59–71 (full text PDF) Guram Bezhanishvili, Nick Bezhanishvili and Dick de Jongh: The Kuznetsov-Gerciu and Rieger-Nishimura Logics. The Boundaries of the Finite Model Property, 73–110 (full text PDF) Leo Esakia and Revaz Grigolia: Formulas of one Propositional Variable in Intuitionistic Logic with the Solovay Modality, 111–127 (full text PDF) Larisa Maksimova: Interpolation and Implicit Definability in Extensions of the Provability Logic, 129–142 (full text PDF) V. Rybakov: Discrete Linear Temporal Logic with Current Time Point Clusters, Deciding Algorithms, 143–161 (full text PDF) Dimiter Vakarelov: A Modal Approach to Dynamic Ontology: Modal Mereotopology, 163–183 (full text PDF) Caroline Semmling and Heinrich Wansing: From BDI and stit to bdi-stit Logic, 185–207 (full text PDF)

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Vol. 17 No. 3, 2008, pp. 76 Editors: Marek Nasieniewski and Andrzej Pietruszczak Walter Carnielli and Maria Cláudia C. Grácio: Modulated Logics and Flexible Reasoning, 211–249 (full text PDF) Srećko Kovač: In What Sense is Kantian Principle of Contradiction Non-classical?, 251–274 (full text PDF) Fredrik Stjernberg: Trope Theory and Atomic Objects, 275–281 (full text PDF) Book Reviews, 283–284 (full text PDF)

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Vol. 17 No. 4, 2008, pp. 76 Editors: Marek Nasieniewski and Andrzej Pietruszczak Pavel Materna: The Notion of Problem, Intuitionism and Partiality, 287–303 (full text PDF) Hitoshi Omori and Toshiharu Waragai: On Béziau's Logic Z, 305–320 (full text PDF) Robert Sochacki: Rejected Axioms for the “nonsense-logic” W and the k-valued Logic of Sobociński, 321–327 (full text PDF) Piotr Łukowski: Either Epistemicism or Logic, 329–351 (full text PDF) Book Reviews, 353–357 (full text PDF) Contents of Volume 17, 359–360 (full text PDF)

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Vol. 18 No. 1, 2009, pp. 94 Editors: Marek Nasieniewski and Andrzej Pietruszczak Rodolfo Ertola On Univocal Connectives, 5–13 (full text  PDF) Davide Bondoni: Peirce and Schröder on the Auflösungsproblem, 15–31 (full text  PDF) Daisuke Kachi: Bourne on Future Contingents and Three-valued Logic, 33–43 (full text  PDF) Hsing-chien Tsai: Decidability of Mereological Theories, 45–63 (full text  PDF) Tomasz Skura: The RM Paraconsistent Refutation System, 65–70 (full text  PDF) Daniel Rönnedal: Counterfactuals and Semantic Tableaux, 71–91 (full text  PDF) The errata of the paper: Hitoshi Omori and Toshiharu Waragai, “On Béziau's Logic Z”, vol. 17, no. 4, pp. 305–320; 93–94 (full text PDF)

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Vol. 18 No. 2, 2009, pp. 94 Editors: Marek Nasieniewski and Andrzej Pietruszczak Norihiro Kamide Temporal Non-commutative Logic: Expressing Time, Resource, Order and Hierarchy, 97–126 (full text  PDF) Srećko Kovač: First-order Belief and Paraconsistency, 127–143 (full text  PDF) Rafał Gruszczyński and Andrzej Pietruszczak: Space, Points and Mereology. On Foundations of Point-free Euclidean Geometry, 145–188 (full text  PDF)

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Vol. 18 No. 3–4, 2009, pp. 144 Editors: Marek Nasieniewski and Andrzej Pietruszczak José M. Méndez A Routley-Meyer Semantics for Ackermann's Logics of “Strenge Implikation”, 191–219 (full text  PDF) Daniel Rönnedal: Dyadic Deontic Logic and Semantic Tableaux, 221–252 (full text  PDF) Robert Trypuz and Piotr Kulicki: A Systematics of Deontic Action Logics Based on Boolean Algebra, 253–270 (full text  PDF) Andrzej Pietruszczak: Simplified Kripke Style Semantics for Some Very Weak Modal Logics, 271–296 (full text  PDF) Laureano Luna: Ungrounded Causal Chains and Beginningless Time, 297–307 (full text  PDF) Sara L. Uckelman: The Ontological Argument and Russell's Antinomy, 309–312 (full text  PDF) Krzysztof Wójtowicz: Theory of Quantum Computation and Philosophy of Mathematics. Part I, 313–332 (full text  PDF)

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Vol. 19 No. 1–2, 2010, pp. 192 (Special Issue on Paraconsistent Logic) Editors: Marek Nasieniewski and Andrzej Pietruszczak Guest Editors: Koji Tanaka, Francesco Berto, Edwin Mares and Francesco Paoli Koji Tanaka, Francesco Berto, Edwin Mares and Francesco Paoli Editors' Introduction, 5–6 (full text PDF) Norihiro Kamide and Heinrich Wansing: Symmetric and Dual Paraconsistent Logics, 7–30 (full text PDF) Hans Lycke: Inconsistency-adaptive Modal Logics. On How to Cope with Modal Inconsistency, 31–61 (full text PDF) Alessio Moretti: The Critics of Paraconsistency and of Many-Valuedness and the Geometry of Oppositions, 63–94 (full text PDF) Christian Straßer: An Adaptive Logic Framework for Conditional Obligations and Deontic Dilemmas, 95–128 (full text PDF) Toshiharu Waragai and Hitoshi Omori: Some New Results on PCL1 and its Related Systems, 129–158 (full text PDF) Paul Wong: Minimising Disjunctive Information, 159–192 (full text PDF)

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Vol. 19 No. 3, 2010, pp. 93 Editors: Marek Nasieniewski and Andrzej Pietruszczak Marie Duží and Pavel Materna: Can Concepts be Defined in Terms of Sets?, 195–242 (full text PDF) Joseph E. Brenner: The Philosophical Logic of Stéphane Lupasco (1900–1988), 243–285 (full text PDF)

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Vol. 19 No. 4, 2010, pp. 80 Editors: Marek Nasieniewski and Andrzej Pietruszczak Giangiacomo Gerla and Bonaventura Paolillo: Whitehead's Pointfree Geometry and Diametric Posets, 289–308 (full text PDF) Rafał Gruszczyński and Andrzej Pietruszczak: How to Define a Mereological (Collective) Set, 309–328 (full text PDF) Dmitry Zaitsev and Oleg Grigoriev: Relevant Generalization Starts Here (and Here = 2), 329–340 (full text PDF) Gemma Robles, José M. Méndez and Francisco Salto: A Modal Restriction of R-Mingle with the Variable-haring Property, 341–351 (full text PDF) Szymon Frankowski: Biconsequences, 353–364 (full text PDF) Contents of Volume 19, 364–366 (full text PDF)

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Vol. 20 No. 1–2, 2011, pp. 185 (Special Issue: Logic in Cognitive Science) Editors: Marek Nasieniewski and Andrzej Pietruszczak Guest Editors: Jacek Malinowski and Rafał Palczewski Jacek Malinowski and Rafał Palczewski: Logic in Cognitive Science, 3–5 (full text PDF) Alison Pease and Andrew Aberdein: Five Theories of Reasoning: Interconnections and Applications to Mathematics, 7–57 (full text PDF) Robert Trypuz and Piotr Kulicki: A Norm-giver Meets Deontic Action Logic, 59–72 (full text PDF) Andrzej Wiśniewski: Propositions, Possible Worlds, and Recursion, 73–79 (full text PDF) Gerard Allwein, Yingrui Yang and William L. Harrison: Qualitative Decision Theory via Channel Theory, 81–110 (full text PDF) Victor K. Finn and Maria A. Mikheyenkova: Plausible Reasoning for the Problems of Cognitive Sociology, 111–137 (full text PDF) Paweł Łupkowski: A Formal Approach to Exploring the Interrogator's Perspective in the Turing Test, 139–158 (full text PDF) Jiří Raclavský and Petr Kuchyňka: Conceptual and Derivation Systems, 159–174 (full text PDF) Mariusz Urbański: Logic and Cognition: Two Faces of Psychologism, 175–185 (full text PDF)

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Vol. 20 No. 3, 2011, pp. 86 Editors: Marek Nasieniewski and Andrzej Pietruszczak Andrzej Indrzejczak: Admissibility of Cut in Congruent Modal Logics, 189–203 (full text PDF) Josef Wolfgang Degen: Socrates Did it Before Gödel, 205–214 (full text PDF) Marcin Tkaczyk: On Axiomatization of Łukasiewicz's Four-Valued Modal Logic, 215–232 (full text PDF) Robert Sochacki: Refutation Systems for a System of Nonsense-Logic, 233–239 (full text PDF) Gemma Robles and José M. Méndez: A Class of Simpler Logical Matrices for the Variable-Sharing Property, 241–249 (full text PDF) Hsing-chien Tsai: More on the Decidability of Mereological Theories, 251–265 (full text PDF) Book Reviews, 267–272 (full text PDF)

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Vol. 20 No. 4, 2011, pp. 91 Editors: Marek Nasieniewski and Andrzej Pietruszczak Hartley Slater: Back to Aristotle!, 275–283 (full text PDF) Szymon Frankowski: Syntactic Properties of P-Consequence, 285–295 (full text PDF) Thomas Studer: Justification Logic, Inference Tracking, and Data Privacy, 297–306 (full text PDF) Kordula Świętorzecka: Some Remarks on Formal Description of God's Omnipotence, 307–315 (full text PDF) Marzenna Cyzman: “Lying, poets tell the truth …”. “The Logical Status of Fictional Discourse” by John Searle — a Still Possible Solution to an Old Problem?, 317–326 (full text PDF) Davide Bondoni: Structural Features in Ernst Schröder's Work. Part I, 327–359 (full text PDF) Contents of Volume 20, 361–362 (full text PDF) Acknowledgments, 263 (full text PDF)

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