5. In co-existence we have few self-evident propositions.
II. Secondly, as to co-existence, or such a necessary
connexion between two ideas that, in the subject where one of them is supposed, there the other must necessarily
be also: of such agreement or disagreement as this, the mind has an immediate perception but in very few of them.
And therefore in this sort we have but very little intuitive knowledge: nor are there to be found very many
propositions that are self-evident, though some there are: v.g. the idea of filling a place equal to the contents of its
superficies, being annexed to our idea of body, I think it is a self-evident proposition, that two bodies cannot be in
the same place.