Paulus Vallius

Paulus Vallius (Paolo Valla, Paulus Valla, Paulus de la Valle, Paulus de Valle) (1561-1622) was an Italian Jesuit logician.

Life

He was born in Rome.[1]

He was a lecturer at the Collegio Romano in the 1580s. He first taught De elementis, from 1585 to 1587, and then the three-year philosophy course from 1587 to 1590. After that he taught at Padua.[2]

His notes on the Posterior Analytics, generally Thomist, were used by Galileo. This occurred around 1588-1590, and it was through Vallius that Galileo learned the work of Jacopo Zabarella.[3][4] It is now accepted that Vallius is the source of two logical treatises by Galileo.[5]

Vallius was plagiarized by Ludovico Carbone, in his 1597 Additamenta ad commentaria doctoris Francisci Toleti in logicam Aristotelis, which were Additions to the logic of Franciscus Toletus.[6]

Works

He published Logica, in two volumes, at Lyon in 1622.[6] In it he sided with Benedictus Pereyra against Giuseppe Biancani. The issue was mathematical proof in physics, where Pereyra denied mathematics an essential status.[7]

Notes

  1. ↑ Corrado Dollo, Giuseppe Bentivegna, Santo Burgio, Giancarlo Magnano San Lio, Galileo Galilei e la cultura della tradizione (2003), p. 90.
  2. ↑ John W. O'Malley, Gauvin Alexander Bailey, Johann Bernhard Staudt, Steven J. Harris (editors), The Jesuits II: Cultures, Sciences, and the Arts, 1540-1773 (2006), p. 317 and p. 327.
  3. ↑ H. F. Cohen, The Scientific Revolution: A Historiographical Inquiry (1994), p. 282.
  4. ↑ http://www.thomist.org/journal/2001/July/2001%20July%20A%20Wallace%20web.htm
  5. ↑ William A. Wallace, Galileo's Pisan studies in science and philosophy, p. 32 in Peter K. Machamer, The Cambridge Companion to Galileo (1998).
  6. 1 2 John W. O'Malley, Gauvin Alexander Bailey, Johann Bernhard Staudt, Steven J. Harris (editors), The Jesuits II: Cultures, Sciences, and the Arts, 1540-1773 (2006), p. 320.
  7. ↑ Paolo Mancosu, Philosophy of Mathematics and Mathematical Practice in the Seventeenth Century (1996), p. 13 and p. 19.
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