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Towards the Modern Theory of Motion. Oxford Calculators and the new interpretation of Aristotle

Towards the Modern Theory of Motion. Oxford Calculators and the new interpretation of Aristotle

Elżbieta Jung, Robert Podkoński

Eлектронна книга

The problem of the continuity of science from the medieval to the modern times of the 17th century, when Galileo and Newton developed the correct theory of mechanics, occupied historians of science from the beginning of the 20th century. Some believe that the fourteenth-century English scholars who created the School of Oxford Calculators and their French and Italian followers. with their solutions, laid the foundations for the development of modern physics. Others believe that medieval natural philosophy made no contribution to the development of modern science. The presented book is a voice in this discussion and an attempt to answer the question about the continuity of science. Considering how much has been discovered, edited and written about the Oxford Calculators, the book reviews and compares the results of our research with works of the other historians' research into the intellectual heritage of these 14th century English thinkers in order to enrich and update the views on the Oxford Calculators' natural philosophy in perhaps its most fundamental aspect - at least from the point of view of Aristotle's philosophy - namely the subject of "science of local motion."

The discussion are mostly focused on topics that were important to medieval thinkers and not those that could be most interesting from the modern point of view, and the research are directed on the Oxford Calculators' tradition in science toward a prospecting of the innovative character of their teaching, and here first of all against the background of Aristotelian theories, and then the subsequent search for possible innovations which could have inspired early modern scientists.

As the conclusions of the research on the theories of Oxford calculators are still formulated mainly on the basis of analyzes of incomplete printed texts, the critical editions of Latin texts are offered. These are not only the most famous Calculators' works, such as William Heytesbury's De tribus praedicamentis: de motu locali or John Dumbleton's Part III of the Summa logicae et philosophiae naturalis, but also of a hither to unknown work by Richard Kilvington, i.e., his question on local motion and the question on local motion written by the anonymous author of the treatise De sex inconvenientibus.

Preface  7

 

Chapter I: Lives and Works of Oxford Calculators (Elżbieta Jung)                11

  1. Richard Kilvington    13
  2. Thomas Bradwardine              18
  3. William Heytesbury  20
  4. The Anonymous Author of the De sex inconvenientibus               22
  5. John Dumbleton       29
  6. Richard Swineshead               31

 

Chapter II: Theories of Local Motion before the Oxford Calculators (Elżbieta Jung)           37

  1. Aristotle’s “Mathematical Physics”       37
  2. Theories of Motion in Arabic Medieval Philosophy          43
  3. The English Tradition in Mathematical Natural Science    50

 

Chapter III: Oxford Calculators on Local Motion (Elżbieta Jung, Robert Podkoński)  57

  1. Richard Kilvington’s Theory of Local Motion      57
    1. Motion with respect to its Causes 58
      1. An Excess of Acting Power over Resistance – the Condition Necessary for Motion 59
      2. Inalienable Conditions of Motion         61

1.1.2a. How to “Measure” an Active Power?    63

1.1.2b. How to “Measure” a Passive Power?    65

      1. The Result of Action of Powers – Speed of Motion         67
    2. Motion with respect to its Effect – the Distances Traversed and Time            79
  2. Thomas Bradwardine’s Treatise on Local Motion             82
  3. William Heytesbury’s Contribution to the Oxford Calculators’ Science of Local Motion      87
  4. The Theory of Motion in the Anonymous Treatise: De sex inconvenientibus               93
    1. The Causes of Accelerated Motion             99
    2. The Motion of a Sphere               101
    3. The Mean Speed Theorem          104
  5. John Dumbleton on Local Motion       112
    1. The Mean Speed Theorem          124
  6. Richard Swineshead’s Speculative Science of Local Motion         125

 

Chapter IV: Towards Modern Mechanics? (Elżbieta Jung, Robert Podkoński)     159

The Novelty of Medieval Mechanics vis-à-vis Aristotelian and Galileian Theories…          184

 

Editions      189

 

Introduction (Elżbieta Jung, Joanna Papiernik, Robert Podkoński)   191

  1. Richard Kilvington’s Question Utrum potentia motoris excedit potentiam rei motae from His Quaestiones super libros Physicorum   192
  2. The Section De motu locali of William Heytesbury’s Regulae solvendi sphismata           193
  3. The Question Utrum in motu locali sit in certa servanda velocitas from the Anonymous Treatise de sex inconvenientibus           201
  4. Selected Fragments of Part III: De motu locali of John Dumbleton’s Summa logicae et philosophiae naturalis           204
  5. Presentation of the Texts – Editorial Rules, the Contents of apparati critici, and Abbreviations Used           207
    1. Richard Kilvington, Utrum in omni motu potentia motoris excedit potentiam rei motae    208

5.2. William Heytesbury, De motu locali    209

5.3. Anonymous, Utrum in motu locali sit certa servanda velocitas          210

    1. John Dumbleton, De motu locali          210

 

Ricardus Kilvington, Utrum in omni motu potentia motoris excedit potentiam rei motae, Elżbieta Jung (ed.)        213

Guilelmus Heytesbury, De motu locali, Elżbieta Jung, Robert Podkoński (eds)          267

Anonimus, Utrum in motu locali sit certa servanda velocitas, Joanna Papiernik (ed.)     297

Johannes Dumbleton, De motu locali, Elżbieta Jung, Robert Podkoński (eds)       391

 

Bibliography                427

Index of Names           447

Summary      451

  • Назва: Towards the Modern Theory of Motion. Oxford Calculators and the new interpretation of Aristotle
  • Автор: Elżbieta Jung, Robert Podkoński
  • ISBN: 978-83-822-0328-8, 9788382203288
  • Дата видання: 2021-01-25
  • Формат: Eлектронна книга
  • Ідентифікатор видання: e_1x72
  • Видавець: Wydawnictwo Uniwersytetu Łódzkiego