In chapters 12-18 of opposed to Proclus, Philoponus maintains to do conflict opposed to Proclus' arguments for the beginninglessness and everlastingness of the ordered universe. during this ultimate part there are 3 extraordinary matters below dialogue. the 1st issues the composition of the heavens and its demeanour of move. Philoponus argues opposed to the Aristotelian thesis that there's a 5th heavenly physique that has a common round movement. He concludes that although the celestial zone consists of fireplace and the opposite 3 components, it may flow in a circle by means of the organization of its soul, and that this round movement isn't compromised whatsoever by means of the innate average movement of the fire.Chapter sixteen comprises a longer dialogue of the desire of God and His relation to details. right here Philoponus addresses matters that develop into important to medieval philosophical and theological discussions, together with the harmony, timelessness and indivisibility of God's will. ultimately, all through those seven chapters Philoponus is engaged in a close exegesis of Plato's Timaeus which goals to settle a couple of conventional interpretive difficulties, significantly how we must always comprehend the pre-cosmic kingdom of disorderly movement, and the assertion that the noticeable cosmos is a picture of the paradigm. Philoponus' exegetical issues culminate in bankruptcy 18 with an intensive dialogue of Plato's perspective to poetry and fable.