Home > General > Part of the Opus Tertium of Roger Bacon, Including a Fragment Now Printed for the First Time (4)
Part of the Opus Tertium of Roger Bacon, Including a Fragment Now Printed for the First Time (4)

Part of the Opus Tertium of Roger Bacon, Including a Fragment Now Printed for the First Time (4)

          
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About the Book

1912. .: ... DE PERSPECTIVA.1 POSTQUAM manifestavi mathematice potestatem, aspiravi2 ad perspective dignitatem. Que quia pulcrior est omnibus scientiis, et utilitates habet respectu omnium sine qua nulla sciri potest; insuper, respectu sapientie absolute et relate, est utilis et efficax, et miris modis quibus alie scientie non utuntur; ideo prosecutus sum hanc scientiam diligentius quam precedentes, et precipue quia non solum a vulgo Latinorum, sed a sapientibus multis ignoratur, propter sui novitatem et mirabilem profunditatem./.XEt propter hoc /decrevi quod non imitarer unum auctorem, sed ab omnibus eligerem electiores sententias.4 Nam licet Perspectiva Alhacen5 sit in usu aliquorum sapientum Latinorum, tamen paucioribus est Perspectiva Ptolomei precognita, que tamen est radix illius scientie, a qua Alhacen sumpsit originem sue sapientie. Nam nihil aliud facit, nisi quod fideliter explicat Ptolomeum; quamvis tamen superfluus est ultra modum. Sententias etiam electas extraxi ab alus auctoribus, scilicet a Jacobo Alkindi, et a Tideo, et ab Euclide, et a libris de Visu et Speculis, secundum quod hic videbatur michi expedire; multa relinquens propter superfluitatem eorum et quia inutilia sunt, et alia propter abbreviationem, secundum formam persuasionis intente, quia non feci scripta principalia, sed preambula, ut sepe dixi. Nichilominus tamen perfectius longe tractavi hanc scientiam propter pulcritudinem, et quia magis ignota est quam alias scientias. Et nunc volo discurrete per principales veritates tactas in singulis distinctionibus et capitulis; ut si scriptum quod misi fuerit amissum, videat Vestra Sapientia que debetis a sapientibus hujus mundi de hac scientia nobili requirere. Discussi igitur in hac scientia omnes virtutes anime sensitivas, et organa earum, et objecta, et operationes. Virtutes1 sunt 1o,2 et maxime de interioribus dixi,3 que sunt sensus communis, ymaginatio, cogitatio, estimatio et memoria. Et certificavi has, propter summam difficultat...


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Product Details
  • ISBN-13: 9781151643841
  • Publisher: General Books
  • Publisher Imprint: General Books
  • Height: 246 mm
  • No of Pages: 44
  • Series Title: English
  • Weight: 95 gr
  • ISBN-10: 115164384X
  • Publisher Date: 01 Jan 2012
  • Binding: Paperback
  • Language: English
  • Returnable: N
  • Spine Width: 2 mm
  • Width: 189 mm

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Part of the Opus Tertium of Roger Bacon, Including a Fragment Now Printed for the First Time (4)
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