I. Towards Philosophy Jan Srzednicki 3 LOGICAL CONCERNS OF PHILOSOPHICAL ANALYSIS Jerzy Perzanowski ONTOLOGIES AND ONTOLOGICS 23 Elizabeth Anscombe TRUTH, SENSE AND ASSERTION, OR: WHAT PLATO SHOULD HAVE TOLD THE SOPHISTS 43 Peter Geach IDENTITY OVER TIME 47 Joseph M. Font, Ventura Verdu 53 TWO LEVELS OF MODALITY: AN ALGEBRAIC APPROACH Boguslaw Wolniewicz 63 ELZENBERG'S LOGIC OF VALUES Jerzy Szymura WHEN MAY G. E. MOORE'S DEFINITION OF AN INTERNAL RELATION BE USED RATIONALLY? 71 II. Historical Perspective J6zef M. Bochenski HISTORY OF LOGIC AND THE CRITERIA OF RATIONALITY 85 Jan Waszkiewicz,...