 At the beginning of Book III, Aristotle had linked the issue of motion to that of the continuous but also to that of the infinite (Phys. 200b16–18) because the continuous can be divided without limit. Averroes commented there that the advocates of atoms, i.e., the thesis that bodies are composed of a limited quantity of indivisible parts, would not agree with the definition that “continuous is that which divides into infinite”. He added: 