One example of the way that Crescas uses this new definition is to refute the proofs of Aristotle against the existence of infinity. In Aristotle’s opinion, two bodies cannot share the same space because of the property of dimension. The Greek philosopher concludes from this observation the impossibility of the existence of a void. The definition of a void is dimensional space without matter inside. Now if matter can fill a void, and matter itself has dimensions, then it follows that the dimensi