In his quotations from Aristotle Leonardo possibly refers to one of the following editions: Aristotelis libri IV de coelo et mundo; de anima libri III; libri VIII physi- corum; libri de generatione et corruptione; de sensu et sensato… omnia latine, interprete Averroe, Venetiis 1483 (first Latin edition). There is also a separate edition of Liber de coelo et mundo, dated 1473.]
1482.
Avicenna will have it that soul gives birth to soul as body to body, and each member to itself.
[Footnote: Avicenna, see too No. 1421, 1. 2.]
1483.
Avicenna on liquids.
1484.
Roger Bacon, done in print. [Footnote: The earliest printed edition known to Brunet of the works of Roger Bacon, is a French translation, which appeared about fourty years after Leonardo's death.]
1485.
Cleomedes the philosopher.