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The Mortimer J. Adler Archive

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The Adler Archive Index


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WITH RESPECT TO PHILOSOPHY

by Mortimer J. Adler, Ph.D.

With respect to philosophy, the following propositions must be affirmed. He who denies any one of them denies philosophy.

I) Philosophy is public knowledge, not private opinion, in the same sense that science is knowledge, not opinion.

2) Philosophical knowledge answers questions which science cannot answer, now or ever, because its method is not adapted to answering such questions.

3) Because their methods are thus distinct, each being adapted to a different object of inquiry, philosophical and scientific knowledge are logically independent of one another, which means that the truth and falsity of philosophical principles or conclusions does not depend upon the changing content of scientific knowledge.

4) Philosophy is superior to science, both theoretically and practically: theoretically, because it is knowledge of the being of things whereas science studies only their phenomenal manifestations; practically, because philosophy establishes moral conclusions, whereas scientific knowledge yields only technological applications; this last point means that science can give us only a control over operable means, but it cannot make a single judgment about good and bad, right and wrong, in terms of the ends of human life.

5) There can be no conflict between scientific and philosophic truths, although philosophers may correct the errors of scientists who try to answer questions beyond their professional competence, just as scientists can correct the errors of philosophers guilty of a similar transgression.

6) There are no systems of philosophy, each of which may be considered true in its own way by criteria of internal consistency, each differing from the others, as so many systems of geometry, in terms of different origins in diverse, but equally arbitrary, postulates or definitions.

7) The first principles of all philosophical knowledge are metaphysical, and metaphysics is valid knowledge of both sensible and supra-sensible being.

8) Metaphysics is able to demonstrate the existence of supra-sensible being, for it can demonstrate the existence of God, by appealing to the evidence of the senses and the principles of reason, and without any reliance upon articles of religious faith.

These eight propositions are not offered as an exhaustive account of the nature of philosophy, its distinction from, and relation to, science. I have chosen them simply because they will serve like intellectual litmus paper to bring out the acid of positivism.


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