De aspectibus (Kitāb al-Manāẓir), Book 1: light, colour and the manner of vision — medieval Latin versionwriting · c. 1028–1038; Latin by c. 1200DirectVerified quotation — claim 01“Et cum hoc fuerit experimentatum experimentatione subtili, invenietur secundum quod diximus.” — Ibn al-Haytham · trans. anonymous medieval Latin translator, c. 1200
Sources supporting claim 01
De aspectibus, Book 7: refraction, with the apparatus for testing the passage of light through water and glass — medieval Latin versionwriting · c. 1028–1038; Latin by c. 1200DirectVerified quotation — claim 01“Hoc autem comprehenditur per experientiam.” — Ibn al-Haytham · trans. anonymous medieval Latin translator, c. 1200Verified quotation — claim 01“Cum ergo experimentator voluerit experiri transitum luminis in aqua per hoc instrumentum, accipiet vas rectarum horarum, ut cadum cupri, aut ollam figuli, aut consimile.” — Ibn al-Haytham · trans. anonymous medieval Latin translator, c. 1200
De aspectibus, Books 4–5 (Alhacen on the Principles of Reflection): reflection and the errors of reflected vision — medieval Latin versionwriting · c. 1028–1038; Latin by c. 1200DirectNo passage is mapped to this claim. Sources are listed for provenance; a quotation appears only when it has been verified for the specific claim.