Editing Vitello (section)

== ''Perspectiva'' ==
[[Image:Witelo-Perspectiva.jpg|thumb|225px|Page from a manuscript of ''De Perspectiva'', with miniature of its author Vitello.]]
Vitello's ''Perspectiva'' was largely based on the work of the [[polymath]] [[Alhazen]] ([[Ibn al-Haytham]]; d. ca. 1041) and [[Robert Grosseteste]], and he in turn influenced later scientists, in particular [[Johannes Kepler]]. Vitello's treatise in optics was closely linked to the Latin version of Ibn al-Haytham's Arabic opus: ''[[Book of Optics|Kitab al-Manazir]]'' (''The Book of Optics''; ''De aspectibus'' or ''Perspectivae''), and both were printed in the [[Friedrich Risner]] edition ''Opticae thesaurus'' (Basel, 1572).<ref>[[Nader El-Bizri]], "A Philosophical Perspective on Alhazen's ''Optics''", ''Arabic Sciences and Philosophy'', Vol. 15, Issue 2 (2005), pp. 189-218 (Cambridge University Press)</ref>

Vitello's ''Perspectiva'', which rested on Ibn al-Haytham's research in optics, influenced also the Renaissance theories of perspective. [[Lorenzo Ghiberti]]'s ''Commentario terzo'' (''Third Commentary'') was based on an Italian translation of Vitello's Latin ''Perspectiva''.<ref>Graziela F. Vescovini, "Contributo per la storia della fortuna di Alhazen in Italia: II volgarizzamento del MS. Vat. 4595 e il '''Commentario terzo''' del Ghiberti, ''Rinascimento'', V (1965), pp. 1749 -- Also (''Ibid'', El-Bizri, 2005)</ref>

Vitello's treatise also contains much material in [[psychology]], outlining views that are close to modern notions on the [[Association (psychology)|association]] of ideas and on the [[subconscious]].

''Perspectiva'' also includes [[Platonism|Platonic]] [[metaphysics|metaphysical]] discussions. Vitello argues that there are intellectual and corporeal bodies, connected by causality (corresponding to the [[Idealism|Idealist]] doctrine of the universal and the actual), emanating from [[God]] in the form of Divine Light. [[Light]] itself is, for Vitello, the first of all sensible entities, and his views on light are similar to those held by [[Roger Bacon]], though he is closer in this to [[Alhazen]]'s legacy.<ref>''Ibid'', El-Bizri, 2005</ref>