Hegel's Philosopof Nature Vol3 Hb - v. 3 Author:Georg Wilhelm Friedrich Hegel It may be noted in passing that it was an extraordinary notion of Kant's to claim that the definition of the straight line as the shortest distance between two points is a synthetic proposition, for my concept of straightness contains nothing of size, but only a quality. In this sense every definition is a synthetic proposition. What is defined,... more » the straight line, is in the first place the intuition or representation.« less