Setudi libri de Animaẜm quod ꝑticipant cū corpori ſuperiori ſiue celeſti. Et ī illo eſt pͥmo ⁊ ſicutin cauſa ⁊ in iſtis inferioribus per poſterius.Que ſunt corpora diaphona. Sol̓o ph̓i ſūt aer aquaꝘV L LLignis celū ⁊ multa alia corꝑa ſolida ſicut vitrū chriſtal-lus. Quia oīa corꝑa p̄dicta ſunt capacia luminis quod eſt ꝓprius actꝰ diaphoni. Eſt tn̄ in iſtis differentia. qꝛ quedā cauſant de ſe lumen ⁊ illuminātalia ſicut planete ſol ⁊ luna. Alia vero ſunt per totū diaphona ſed non illu-minant alia ſicut ignis in ſua ſphera. qꝛ ſi ille ignis illumiaret tunc ſempereſſet lumen in aere ⁊ circa terrā. eo ꝙ ſemper in noſtro hemiſperio eſt ignisAlia vero ſunt diaphona per totū que tn̄ nō illuminant nec hn̄t in ſe naturalem luminoſitatē ſꝫ ſolū recipiūt lumē ab extrinſeco ſicut aer ⁊ aqua. Aliavero ſūt q̄ recipiūt lumē ſolū in ſuꝑficie ſicut corꝑa determinata.FQuō ꝯuenit aque vel aeri diaphoneitas Sol̓o nonN VLEꝯuenit eis ẜm formas eoꝝ ſpecificas vt nō ꝯuenit aqueẜm ꝙ aqua vel aeri ẜm ꝙ aer. qꝛ ſic nullis alijs ꝯueniret. ſed conuenit eis vttactum fuit per quandā cōmunem naturā repertā in ſuperioribus ⁊ infe-rioribus analogice.FQuid eſt lumen. Solutio ph̓i eſt actus diaphoni ẜmQVVꝙ diaphonū. Et hoc ꝓbat duabus rōnibus. Primaeſt contraria ſunt nata fieri circa idem. ſed lumen ⁊ tenebre ꝯtrariāt̉ exten-dendo ſaltem modum contrarietatis. ergo habent fieri circa idem ſubiectūSed ſubiectum tenebraꝝ eſt diaphonū. ergo etiam ſubiectū luminis eſtdiaphonū. Secūda rō eſt ſicut ſe habet color ad perſpicuū terminatumita ſe habet lumen ad diaphonū ꝑuium. ſed color eſt actus perſpicuus ter-minati. et golumen eſt actus diaphoni.¶ Diaphonū eſt accidens. ergo nō poteſt eſſe ſubiectū luminis.¶ ¶ Solutio. licet diaphoneitas ſit accidens. tamē diaphonū ē ſubſtantia cui ineſt tale accidęns. ⁊ ſic ſubiectum quod eſt ſubſtantia licꝫ quofit accidens.A quo cauſat̉ lumē in diaphono. Sol̓o ph̓i ab igneQl. VE qd̓ poteſt dupliciter exponi. Uno mō ab igne id ē a cor-pore celeſti qd̓ ponit̉ ab antiqͥs certis eſſe de natura ignis. vel ab igne id ēab aliquo illumināte igneo ſicut eſt candela vel ignis in materia alienaQuot fuerūt opiniones de lumīe. Sol̓o ꝙ due. Pri-NQN mafuit Empedoclis dicētis lumē eē corpꝰ ⁊ moueri localiter a corꝑe illumīato ad mediū ꝑſpicuū illumīatū. ⁊ tn̄ dixit ꝙ ille motꝰlocalis ip̄iꝰ lumīs nos lateret ꝓpter ſui velocitatē. Ph̓s reprobat hāc opinionē dicēs hoc eſſe incōueniēs qꝛ īpoſſibile eſſꝫ talē ⁊ tātū motū qͥ fit in tāmagno ſpacio ſcꝫ ab oriēte ī occidēs nos latere lꝫ aliqͥs ꝑuꝰ motꝰ qͥ ſit perbreue ſpaciū poſſit aliqͦ mō ꝓpt̓ velocitatē nos latere. Scd̓a fuit democritidicētis ꝙ lumē eſſꝫ defluxꝰ corꝑis. poſuit em̄ ꝙ lumen eſſꝫ corꝑa atomaliadefluentia a corꝑe lucido in diaphono. ⁊ hoc mō lumē etiā eſſꝫ corpꝰ. Sedhoc nō pōt dici. qꝛ tunc duo corꝑa eſſent in eodem loco. qꝛ aer eſt corpusOd iiij