Locke begins with the perception of a distance relation between two objects as the starting point for constructing the idea of space.

Daniel Warren clarifies this argument in an especially helpful way (Warren 1998; cf. Allison 2004, 100–104). Certainly, it is not true in general that in any order to represent any two entities, A and B, as related in some way, I must represent them as falling into a larger “space” of some relevant character. Warren gives a useful example: in order to represent A as “brighter than” B, I need not represent A and B as being part of a larger “brightness” space. I could do so: I could represent A an