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The
Place of Mathematics in the System of Human
Knowledge
by George Boole
Those who have maintained that the position of
Mathematics is...a fundamental one, have drawn one
of their strongest arguments from the actual
constitution of things. The material frame is
subject in all its parts to the relations of
number. All dynamical, chemical, electrical,
thermal actions seem not only to be measurable in
themselves, but to be connected with each other,
even to the extent of mutual convertibility, by
numerical relations of a perfectly definite kind.
But the opinion in question seems to me to rest
upon a deeper basis than this. The laws of though,
in all its processes of conception and of
reasoning, in all those operations of which
language is the expression or the instrument, are
of the same kind as are the laws of the
acknowledged processes of Mathematics. It is not
contended that it is necessary for us to acquaint
ourselves with those laws in order to think
coherently, or, in the ordinary sense of the terms,
to reason well. Men draw inferences without any
consciousness of those elements upon which the
entire procedure depends. Still less is it desired
to exalt the reasoning faculty over the faculties
of observation, of reflection, and of judgment. But
upon the very ground that human thought, traced to
its ultimate elements, reveals itself in
mathematical forms, we have a presumption that the
mathematical sciences occupy, by the constitution
of our nature, a fundamental place in human
knowledge, and that no system of mental culture can
be complete or fundamental, which altogether
neglects them.
But the very same class of considerations shows
with equal force the error of those who regard the
study of Mathematics, and of their applications, as
a sufficient basis either of knowledge or of
discipline. If the constitution of the material
frame is mathematical, it is not merely so. If the
mind, in its capacity of formal reasoning, obeys,
whether consciously or unconsciously, mathematical
laws, it claims through its other capacities of
sentiment and action, through its perceptions of
beauty and of moral fitness, through its deep
springs of emotion and affection, to hold relation
to a different order of things. There is, moreover,
a breadth of intellectual vision, a power of
sympathy with truth in all its forms and
manifestations, which is not measured by the force
and subtlety of the dialectic faculty. Even the
revelation of the material universe in its
boundless magnitude, and pervading order, and
constancy of law, is not necessarily the most fully
apprehended by him who has traced with minutest
accuracy the steps of the great demonstration. And
if we embrace in our survey the interests and
duties of life, how little do any processes of mere
ratiocination enable us to comprehend the weightier
questions which they present! As truly, therefore,
as the cultivation of the mathematical or deductive
faculty is a part of intellectual discipline, so
truly is it only a part. The prejudice which would
either banish or make supreme any one department of
knowledge or faculty of mind, betrays not only
error of judgment, but a defect of that
intellectual modesty which is inseparable from a
pure devotion to truth.
Excerpted from Laws of
Thought, by George Boole
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An
Investigation of the Laws of Thought, by George
Boole
The
Mathematical Analysis of Logic, by George
Boole
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