116

1908 Dec 1
Logic
I.i. 19

last branch, I recognize two great clefts dividing the
men of theoretical science, by their usual inability really to
know the ways of working, except each those of the class
to which he himself belongs. The first class is mathematics, whose
devotees merely deduce the consequences of imaginary states
of things, which they terme their hypotheses, without observing anything but their diagrams, mostly
mental, some of them arrays of letters, others composed of lines,
all of them embodying or instancing their hypotheses. The
second class of theoretical science is philosophy, more exactly
called, after Bentham, cenoscopy (κοινοσκόπια), whose culti-
vators inquire into categorical truth, but who make no special
observations, but derive such results as they can from
ordinary unscientific observations made by all men. The third

1908 Dec 1
Logic
I.i. 19

last branch, I recognize two great clefts dividing the
men of theoretical science, by their usual inability really to
know the ways of working, except each those of the class
to which he himself belongs. The first class is mathematics, whose
devotees merely deduce the consequences of imaginary states
of things, which they terme their hypotheses, without observing anything but their diagrams, mostly
mental, some of them arrays of letters, others composed of lines,
all of them embodying or instancing their hypotheses. The
second class of theoretical science is philosophy, more exactly
called, after Bentham, cenoscopy ([Gk: koi noskopi a]), whose culti-
vators inquire into categorical truth, but who make no special
observations, but derive such results as they can from
ordinary unscientific observations made by all men. The third