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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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Tertium datur 79<br />

valid, and the antinomy would be insoluble. Thus, it seems to me,<br />

that any interpretation that attempts to reconstruct the proofs by<br />

making them direct, misses the point from the start.<br />

In the "Doctrine of Method" at the end of the Critique of Pure<br />

Reason Kant draws consequences from the key role played by<br />

indirect proofs in the antinomies chapter: he bans this form of proof<br />

from philosophy. In the section on "The Discipline of Pure Reason<br />

in Regard to its Proofs," he remarks that reason's "proofs must<br />

never be apagogical, but always ostensive" (B817). The reason for<br />

this is that it often happens,<br />

that the two propositions contradict each other only under a subjective condition<br />

which is falsely treated as being objective; and since the condition is<br />

false, both can be false, without its being possible to infer from the falsity of<br />

the one to the truth of the other. (B*819)<br />

Let us briefly recapitulate the structure of the antinomy: a<br />

logical illusion can arise when two contrary (or subcontrary) 37 propositions<br />

appear to stand in contradiction or analytical opposition,<br />

so that it seems that one of the pair of conflicting propositions must<br />

be true and the other false, and that apagogical proof procedures<br />

would be legitimate. The resolution of the antinomy consists in<br />

showing that the opposition is not one of contradiction but rather a<br />

merely dialectical (synthetic, contrary) opposition.<br />

The illusion, insofar as it was ever really unavoidable (this<br />

must be taken up below), will presumably remain unavoidable even<br />

if one acknowledges the solution. At the beginning of the<br />

"Dialectics" Kant asserted<br />

Transcendental illusion, on the other hand, does not cease even after it has<br />

been detected and its invalidity clearly revealed by transcendental criticism<br />

(e.g. the illusion in the proposition: the world must have a beginning in<br />

time). (B353)<br />

Thus the difference between logical dialectic and transcendental<br />

dialectic lies not in the form of the opposition but rather in the<br />

inevitability of the illusion or of the presupposition that causes the<br />

illusion. What is transcendental in the antinomies lies not in the<br />

form of the apparent contradiction but in the presuppositions of the<br />

cosmological ideas.<br />

37 The peculiarities of the "subcontrary" form of resolution will be dealt with in<br />

Section 2.5 below.

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