xiii.), in so far as he constitutes the nature of the human mind; therefore (II.

xi.
Coroll.) this idea is also adequate in the human mind.

Q.E.D.
Corollary .-- Hence it follows that the mind is fitted to perceive adequately more things, in proportion as its body has more in common with other bodies.
PROP.XL.

Whatsoever ideas in the mind follow from ideas which are therein adequate, are also themselves adequate.
Proof .-- This proposition is self--evident.

For when we say that an idea in the human mind follows from ideas which are therein adequate, we say, in other words (II.xi.