| | Sorry Robert M,
We disagree about the function of philosophy. I personally go along with Ayn Rand on this. Here is an entry from her Journals dated June 19, 1958 (with comment in brackets by Peikoff). I fully agree with this approach.
"Cosmology" has to be thrown out of philosophy. When this is done, the conflict between "rationalism" and "empiricism" will be wiped out—or, rather, the error that permitted the nonsense of such a conflict will be wiped out.
What, apparently, has never been challenged and what I took as a self-evident challenge (which it isn't) is Thales' approach to philosophy, namely: the idea that philosophy has to discover the nature of the universe in cosmological terms. If Thales thought that everything is water, and the other pre-Socratics fought over whether it's water and earth and fire, etc., then the empiricists were right in declaring that they would go by the evidence of observation, not by "rational" deduction—only then, of course, the whole issue and all its terms are [thoroughly confused]. The crux of the error here is in the word "nature." I took Thales' attempt to mean only the first attempt at, or groping toward, a unified view of knowledge and reality, i.e., an epistemological, not a metaphysical, attempt to establish the fact that things have natures.
Now I think that he meant, and all subsequent philosophers took it to mean, a metaphysical attempt to establish the literal nature of reality and to prove by philosophical means that everything is literally and physically made of water or that water is a kind of universal "stuff." If so, then philosophy is worse than a useless science, because it usurps the domain of physics and proposes to solve the problems of physics by some nonscientific, and therefore mystical, means. On this kind of view of philosophy, it is logical that philosophy has dangled on the strings of physics ever since the Renaissance and that every new discovery of physics has blasted philosophy sky-high, such as, for instance, the discovery of the nature of color giving a traumatic shock to philosophers, from which they have not yet recovered. [AR is referring to the discovery that our perception of color depends on the nature of the light and the human visual system as well as on nature of the object, which led many philosophers to conclude that perception is subjective. ]
In fact, this kind of view merely means: rationalizing from an arrested state of knowledge. Thus, if in Thales' time the whole extent of physical knowledge consisted of distinguishing water from air and fire, he took this knowledge to be a final omniscience and decided on its basis that water was the primary metaphysical element. On this premise, every new step in physics has to mean a new metaphysics. The subsequent nonsense was not that empiricists rejected Thales' approach, but that they took him (and Plato) to be "rationalists," i.e., men who derived knowledge by deduction from some sort of "innate ideas," and therefore the empiricists declared themselves to be anti-rationalists. They did not realize that the Thales-Plato school was merely a case of "arrested empiricists," that is, men who "rationalized" on the ground of taking partial knowledge as omniscience.
Aristotle established the right metaphysics by establishing the law of identity—which was all that was necessary (plus the identification of the fact that only concretes exist). But he destroyed his metaphysics by his cosmology—by the whole nonsense of the "moving spheres," "the immovable mover," teleology, etc.
The real crux of this issue is that philosophy is primarily epistemology—the science of the means, the rules, and the methods of human knowledge. Epistemology is the base of all other sciences and one necessary for man because man is a being of volitional consciousness—a being who has to discover, not only the content of his knowledge, but also the means by which he is to acquire knowledge. Observe that all philosophers (except Aristotle) have been projecting their epistemologies into their metaphysics (or that their metaphysics were merely epistemological and psychological confessions). All the fantastic irrationalities of philosophical metaphysics have been the result of epistemological errors, fallacies or corruptions. "Existence exists" (or identity plus causality) is all there is to metaphysics. All the rest is epistemology.
Paraphrasing myself: Philosophy tells us only that things have natures, but what these natures are is the job of specific sciences. The rest of philosophy's task is to tell us the rules by which to discover the specific natures.
Thus cosmology (the beginning or not of the universe) is not "proven" by philosophy.
Michael
(Edited by Michael Stuart Kelly on 11/12, 10:06am)
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