Home › Authors › Jan J T Srzednicki 👤 Jan J T Srzednicki 4 books Books by Jan J T Srzednicki S. le?niewski's Lecture Notes S. le?niewski's Lecture Notes in Logic 1988 Democratic Perspective Democratic Perspective 1987 Initiatives in Logic Initiatives in Logic 1987 Le?niewski's Systems Le?niewski's Systems 1986