Thābit Ibn Qurra on Euclid's Parallels Postulate

@article{Sabra1968ThbitIQ,
  title={Thābit Ibn Qurra on Euclid's Parallels Postulate},
  author={A. I. Sabra},
  journal={Journal of the Warburg and Courtauld Institutes},
  year={1968},
  volume={31},
  pages={12 - 32}
}
  • A. Sabra
  • Published 1 January 1968
  • Philosophy
  • Journal of the Warburg and Courtauld Institutes
Problems connected with the concept of parallel lines were already seriously investigated in the time of Aristotle,I but after the composition of Euclid's Elements these investigations took a definite and, perhaps, new direction: their aim was to examine the epistemological status of the statement which, as Postulate 5, Euclid had included among the undemonstrated propositions of his system.2 The postulate asserted that if a straight line falling on two straight lines makes the interior angles… 

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Biographisch-bibliographische Notizen

Die in einer westlichen Sprache zuganglichen Quellen sollten einigermasen vollstandig aufgefuhrt sein, bei der Literatur habe ich mich nicht um Vollstandigkeit bemuht; ich nenne Werke und Arbeiten,