This document is unfortunately not available for download at the moment.
Hilfsmitteln]. Through these we are in position — in cases where direct intuition is either totally denied or could easily err — to attain the goal of rigorous differentiation indirectly and to confine error to a very narrow range. The instrumentalities are those of enumerating and calculating, i.e., certain "mechanical' operations, as it were, the true basis for which lies in the elemental relations between the numbers. The psychological analysis of these relations of more and less is the goal which we now set before us." />
pp. 95-100
This document is unfortunately not available for download at the moment.