Abstract

ABSTRACT : On many accounts, Rule IV appears to be composed of two distinct texts, and this should be justified by the difference between the mathesis universalis and the Cartesian method. This article runs counter to the usual interpretation by showing that the discussion on mathematics in Rule IV has enabled the introduction of method constraining scientific research to operate on grounds of order and measurement. The mathesis universalis is not so much a science of higher mathematics as a universal method by the means of which one can find truth