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KANT'S CRITIQUE OF TELEOLOGY IN BIOLOGICAL EXPLANATION

KANT'S CRITIQUE OF TELEOLOGY IN BIOLOGICAL EXPLANATION

KANT'S CRITIQUE OF TELEOLOGY IN BIOLOGICAL EXPLANATION

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Mechanism and Teleology 177<br />

Mechanism and Teleology<br />

After the apparent contradiction between the general necessity<br />

and the occasional impossibility of an exclusively mechanistic<br />

explanation of all natural phenomena has been resolved, teleological<br />

explanation proper must still be reconciled with mechanism.<br />

In general there is no opposition between mechanism and teleology,<br />

just as little as there is an opposition between the tools of an artisan<br />

and the plan according to which he employs them. Ideal and real<br />

causes play a part in every process of production. A problem can<br />

only then arise if the object to be explained is supposed to be a product<br />

of nature. Even though the necessity of the regulative maxims is<br />

merely subjective, nonetheless, the assumption that a thing is<br />

mechanistically explainable, i.e. is a product of nature, could come<br />

into conflict with the assumption that a purpose is also the cause of<br />

the product. To resolve this possible conflict, Kant introduces the<br />

supersensible, so that a certain analogy to the resolution of the<br />

Third Antinomy of the Critique of Pure Reason arises, which has<br />

led a number of commentators to read the antinomy of judgment as<br />

a mere repeat of the antinomy of freedom and determinism.<br />

However as was shown above (3.2), the conflict between mechanism<br />

and teleology can arise only after the antinomy itself has already<br />

been resolved.<br />

In order to prove that an object of experience can simultaneously<br />

be a product of nature and of a purpose, Kant reminds us that<br />

the objects of experience are the appearances of a supersensible substrate<br />

and maintains that in the supersensible both the mechanical<br />

and the teleological grounds of the possibility of such a product are<br />

reconcilable. For instance, if an object, e.g. a maggot, could be<br />

explained as the product of the mechanism of nature, we could<br />

nonetheless assume without self contradiction that the mechanism<br />

only executes the purposes of a supersensible being. On the other<br />

hand, if we assume that something is the appearance of a supersensible<br />

purpose, we can still maintain without contradiction that the<br />

realization of the purpose was carried out by mechanical laws.<br />

For where we think purposes as bases that make certain things possible,<br />

we must also assume means whose causal law does not itself require

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