Parts I and II1 of
René Descartes’s

THE PRINCIPLES OF PHILOSOPHY

demonstrated in the geometric manner

by

Benedict de Spinoza of Amsterdam.

To which are added his
Metaphysical Thoughts,


in which are briefly explained the more
difficult problems that arise in both the
general and the special part of Metaphysics.



Amsterdam.

Published by Johannes Rieuwertsz,
in the quarter commonly called
The Dirk van Assen-Steeg,
under the sign Martyrologium. 1663.