Jan Woleński studied law and philosophy at Jagiellonian University. He taught at Jagiellonian University in Krakow (Poland) from 1963 to 1979 and at the Technical University of Wrocław from 1979 to 1988. He returned to Jagiellonian University in 1988. Since 1990 he is professor of philosophy at Jagiellonian University. He retired in 2011. Currently he is professor at the University of Informatics, Technology and Management in Rzeszów. He is a member of the Polish Academy of Sciences, Polish Academy of Sciences and Letters and the International Institute of Philosophy. The author published 25 books, edited or co-edited 30 collections, and published more than 600 scientific papers.

• Contents: Logic, Rhetoric and Hermeneutic in Philosophy – Truth and Satisfaction by the Empty Sequence – Metalogical Observations about Undetermination of Theories by Empirical Data – Psychologism and Metalogic – Malum, Transcendentalia and Logic – Logic, Semantics, and Realism – First-Order Logic: (Philosophical) Pro and Contra – What is Formal in Formal Semantics? – On Some Formal Properties of Truth – Gödel, Tarski and Truth – Is Truth an Ontological Concept? – What are Truth-Bearers? – A Generalization of Hume’s Thesis – Tarskian and Post-Tarskian Truth – Two Critical Contributions to the Problem of Truth and Meaning – On So-Called Sentences with Category Mistakes – The Cognitive Relation in a Formal Setting – Models of Legal Reasoning – The Character of T-Equivalences – Remarks on Identity across Possible Worlds – Applications of Squares of Oppositions and Their Generalizations – Theism, Fideism, Atheism, Agnosticism – The Principle of Bivalence and Suszko – Vagueness and Ambiguity – Truth and Consistency – Meaningfulness, Meaninglessness and Language-Hierarchies – Some Lessons from Ingarden’s Criticism of the Verifiability Principle – Remarks on Axiomatization within Logic.

Jan Woleński studied law and philosophy at Jagiellonian University. He taught at Jagiellonian University in Krakow (Poland) from 1963 to 1979 and at the Technical University of Wrocław from 1979 to 1988. He returned to Jagiellonian University in 1988. Since 1990 he is professor of philosophy at Jagiellonian University. He retired in 2011. Currently he is professor at the University of Informatics, Technology and Management in Rzeszów. He is a member of the Polish Academy of Sciences, Polish Academy of Sciences and Letters and the International Institute of Philosophy. The author published 25 books, edited or co-edited 30 collections, and published more than 600 scientific papers.

• Contents: Logic, Rhetoric and Hermeneutic in Philosophy – Truth and Satisfaction by the Empty Sequence – Metalogical Observations about Undetermination of Theories by Empirical Data – Psychologism and Metalogic – Malum, Transcendentalia and Logic – Logic, Semantics, and Realism – First-Order Logic: (Philosophical) Pro and Contra – What is Formal in Formal Semantics? – On Some Formal Properties of Truth – Gödel, Tarski and Truth – Is Truth an Ontological Concept? – What are Truth-Bearers? – A Generalization of Hume’s Thesis – Tarskian and Post-Tarskian Truth – Two Critical Contributions to the Problem of Truth and Meaning – On So-Called Sentences with Category Mistakes – The Cognitive Relation in a Formal Setting – Models of Legal Reasoning – The Character of T-Equivalences – Remarks on Identity across Possible Worlds – Applications of Squares of Oppositions and Their Generalizations – Theism, Fideism, Atheism, Agnosticism – The Principle of Bivalence and Suszko – Vagueness and Ambiguity – Truth and Consistency – Meaningfulness, Meaninglessness and Language-Hierarchies – Some Lessons from Ingarden’s Criticism of the Verifiability Principle – Remarks on Axiomatization within Logic.

Jan Woleński studied law and philosophy at Jagiellonian University. He taught at Jagiellonian University in Krakow (Poland) from 1963 to 1979 and at the Technical University of Wrocław from 1979 to 1988. He returned to Jagiellonian University in 1988. Since 1990 he is professor of philosophy at Jagiellonian University. He retired in 2011. Currently he is professor at the University of Informatics, Technology and Management in Rzeszów. He is a member of the Polish Academy of Sciences, Polish Academy of Sciences and Letters and the International Institute of Philosophy. The author published 25 books, edited or co-edited 30 collections, and published more than 600 scientific papers.

• Contents: Logic, Rhetoric and Hermeneutic in Philosophy – Truth and Satisfaction by the Empty Sequence – Metalogical Observations about Undetermination of Theories by Empirical Data – Psychologism and Metalogic – Malum, Transcendentalia and Logic – Logic, Semantics, and Realism – First-Order Logic: (Philosophical) Pro and Contra – What is Formal in Formal Semantics? – On Some Formal Properties of Truth – Gödel, Tarski and Truth – Is Truth an Ontological Concept? – What are Truth-Bearers? – A Generalization of Hume’s Thesis – Tarskian and Post-Tarskian Truth – Two Critical Contributions to the Problem of Truth and Meaning – On So-Called Sentences with Category Mistakes – The Cognitive Relation in a Formal Setting – Models of Legal Reasoning – The Character of T-Equivalences – Remarks on Identity across Possible Worlds – Applications of Squares of Oppositions and Their Generalizations – Theism, Fideism, Atheism, Agnosticism – The Principle of Bivalence and Suszko – Vagueness and Ambiguity – Truth and Consistency – Meaningfulness, Meaninglessness and Language-Hierarchies – Some Lessons from Ingarden’s Criticism of the Verifiability Principle – Remarks on Axiomatization within Logic.