| Introduction by M. Kokowski | 137 |
| Robert Podkoński (Łódź, Poland) – A Charm of Puzzles. The Fate of Richard Kilvington’s Philosophical Ideas | 139 |
| Elżbieta Jung (Łódź, Poland) – The Fourteenth and Seventeenth Century Project of Mathematical Physics. Continuity or Discontinuity? | 151 |
| Raffaele Pisano (Rome, Italy) – Continuity and Discontinuity. On Method in Leonardo da Vinci’ Mechanics | 165 |
| Fabio Zanin (Padova, Italy) – From Common Sensibles to Primary Properties. Rethinking Galilei’s Famous Distinction in Il Saggiatore | 183 |
| Thomás A. S. Haddad (University of São Paulo, Brazil) – Christoph Clavius, S. J. on the Reality of Ptolemaic Cosmology: Ex Suppositione Reasoning and the Problem of (Dis)Continuity of Early Modern Natural Philosophy | 195 |
| Arun Bala (Singapore, Singapore) – The Dialogical Roots of the Copernican Revolution: Implications for the Continuity Thesis | 205 |
| Maria Teresa Borgato (Ferrara, Italy) – Continuity and Discontinuity in Italian Mathematics after the Unification: From Brioschi to Peano | 219 |
| Isabel Serra (Lisbon, Portugal) – Francisca Viegas (Lisbon, Portugal) – Elisa Maia (Lisbon, Portugal)–Electron – A Main Actor in Scientific Controversies | 233 |
| Raffaele Pisano (Rome, Italy) – Ilaria Gaudiello (Bologna, Italy)–Continuity and Discontinuity in the History of Science. An Epistemological Inquiry through the Categories | 245 |
| Michal Kokowski (Cracow, Poland) – The Problem of Continuity and Discontinuity in the Development of Science from Ancient Times to the Present: A Reappraisal | 267 |