Series Editor's Foreword Acknowledgements Notes on Contributors Introduction: The History and Philosophy of Polish Logic: Some Basic Thoughts; K.Mulligan, K.Kijania-Placek and T.Placek PART I: LOGIC, PROOF AND MODELS Many Valued Logic in Poland: the Golden Age; A.S.Karpenko Dependence and Independence of Quantifiers: Truth, Proof and Choice Functions; G. Sandu Sixty Years of Stable Models; D. Pearce Wooden Horses and False Friends. On the Logic of Adjectives; M. van der Schaar Proof, Probability or Plausibility; J. Agassi PART II: TRUTH AND CONCEPTS Truth Defined and Undefined; J. Hintikka Against Relative Truth; I. Niniluoto Truth without Truths? Propositional Attitudes without Propositions? Meaning without Meanings?; W. Künne Formal Concepts; K. Mulligan PART III: ONTOLOGY, MEREOLOGY AND THE PHILOSOPHY OF MATHEMATICS Arithmetic in Le?niewski's Ontology; P. Simons Le?niewski, Tarski and the Axioms of Mereology; A. Betti, From Mereology to Boolean Algebra: The Role of Regular Open Setsin Alfred Tarski's Work; I. Loeb Philosophy of Mathematics and Logic in Cracow Between the Wars; R. Murawski A Selection of Jan Wole?ski's Publications Index of Names Index