But this alliance, like its forerunner, was of very short duration.
The Icelandic colony was an interesting forerunner of the American republic, having a prosperous population living under a republican government, and maintaining an independent national spirit for nearly four centuries.
If we add to this logic of " idea," judgment and inference, a doctrine of categories in the modern sense of the word which makes the Theaetetus, in which it first occurs, a forerunner of Kant's Critique of Pure Reason, we have clearly a very significant contribution to logic even in technical regard.
It is in the latter group that we have the explanation of all that marks Locke as a forerunner of the critical philosophy.
The short appendix, in which the attempt is made to present the chief points of the argument in geometrical form, is a forerunner of the Ethics, and was probably written somewhat later than the rest of the book.