| | The original article is at http://rebirthofreason.com/Articles/Younkins/Immanuel_Kant_Ayn_Rands_Intellectual_Enemy.shtml
Ed Younkins wrote: According to Rand, there is no basis upon which to differentiate analytic propositions from synthetic ones.
I don't think Rand said that. It sounds more like Peikoff.
Is there a basis upon which to differentiate those two types of propositions? Yes, there is - as long as it isn't mischaracterized in some devious fashion or confused with Logical Positivism.
But the tendency here is to judge the issue according to the terms of concept-formation outlined in ITOE. And in fact that is exactly the lead Peikoff took when he wrote his article on the analytic-synthetic dichotomy.
IS it an issue of concept-formation? And is it an issue of how to define terms and form abstractions from abstractions?
This looks to me like one of those cases where Kant is being accused of trying to prove too much, and since his argument cannot support all that he is allegedly trying to prove, it is easily trounced just as straw men are always designed to be trounced - that's why they're straw men.
Instead of going into his argument (which I can do if you prefer), let me just explain the theory this way. An analytical proposition brings clarity to a concept; a synthetic proposition adds something to the concept not contained in its definition, in other words, it is the product of a combining or blending.
He's not talking about forming concepts here at all, although the structure of a concept has something to do with it. To say that a concept contains everything about the entity to which it refers has nothing to do with the issue. A concept still has a definition, and to analyze the concept is simply to bring it clarity.
After all, clarity of definition is certainly important to understanding a concept, isn't it? And how can clarity of definition be attained without some kind of analysis?
Why can't this be done without being accused of Linguistic Analysis, or better yet, context-dropping?
Rand wrote:
For an example, I refer you to my brief analysis of the need to form the concept "justice" (in the chapter on "Definitions"). ITOE2, 70
Did Rand's analysis bring clarity to the issue of the need to form the concept of "justice"? At least she tried.
If analysis isn't relevant to epistemology then Objectivism should just throw away the idea of defining their concepts.
I think, however, that there is an even better way of explaining this, and anyway I haven't explained synthesis yet. So here goes.
First let me start with an example that Peikoff got wrong.
i) 2 plus 2 equals 4. ii) 2 qts. of water mixed with 2 qts. of ethyl alcohol yield 3.86 qts. of liquid, at 15.56°C.
Peikoff tells us that i) is [edit - allegedly] obtained through analysis. It is therefore an analytic truth. And ii) he considered to be an [edit - alleged] example of a synthetic proposition.
Now even a beginning student of this subject will tell you that both i) and ii) were considered by Kant to be synthetic propositions. In fact, Kant is even famed for his view that the propositions of mathematics are all synthetical (unless you count a = a which is analytic a priori). (Google using the search words "kant synthetic mathematics" and you'll find over 8,600,000 entries to browse through at your leisure.)
What Peikoff is arguing against here is a view held, implicitly, by Hume, not Kant. It is Hume who considered i) to be analytic.
Then why is i) synthetic? Because, as Kant explained, no analysis of 2+2 will tell you that it equals 4. The number 4, instead, is the result of a synthesis of two numbers in this case, and sometimes more depending on the equation that results in the number 4.
But, Kant explained, sometimes such a simple example doesn't work because, as simple and seemingly self-evident, it is sometimes confused with axiomatic propositions which are analytical.
Peikoff's example ii) is most helpful in explaining the synthetics of this. No amount of analysis of the left-hand side - "2 qts. of water mixed with 2 qts. of ethyl alcohol" - will get you to "3.86 qts. of liquid, at 15.56°C" on the right-hand side. In other words, it is a product of a combining or blending, not just of two substances, but of two concepts in the mind.
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