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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82 The Unconditioned and the Infinite Series<br />
The understanding is essentially a capacity to make connections;<br />
it advances one step after the next connecting them up in a<br />
series. It is only through the understanding that empirical knowledge<br />
is possible. Reason on the other hand strives for the whole.<br />
Whereas the understanding seeks the condition for every conditioned<br />
in order to connect the one with the other, reason views the<br />
condition as being already given with the conditioned — just as the<br />
validity of an inference presupposes "totality in the series of the<br />
premisses" (B388). "If, therefore, knowledge be viewed as conditioned,<br />
reason is constrained to regard the series of conditions in the<br />
ascending line as completed and as given in their totality" (B388).<br />
The totality of the series of conditions is "a requirement of reason"<br />
(B389) which the understanding cannot always fulfill, because it can<br />
only connect one element after the other. In general the understanding<br />
is constantly challenged by reason to advance ever further; but<br />
in certain cases, determined by the categories, the understanding is<br />
in principle overtaxed, that is, reason demands a performance that<br />
the understanding cannot deliver.<br />
Reason, however, cannot create its own concepts; it can only<br />
take over concepts of the understanding and then liberate them from<br />
their restriction to possible experience (B435). The ideas of reason<br />
are thus liberated concepts of the understanding. The cosmological<br />
antinomies arise when, with respect to the world as totality of<br />
appearances, one of these concepts of the understanding liberated by<br />
reason is taken up again and used by the understanding. They arise<br />
when it is assumed that the entire series of conditions is given in the<br />
sense of being able to be experienced by the understanding, that is<br />
when the world as aggregate appearance is taken to constitute such<br />
a given totality. As Kant puts it:<br />
The whole antinomy of pure reason rests upon the dialectical argument: If<br />
the conditioned is given, the entire series of all its conditions is likewise<br />
given; objects of the senses are given as conditioned; therefore, etc. (B525)<br />
Under these presuppositions the series of conditions is either<br />
finite, in which case the last member of the series (the first condition)<br />
itself has no conditions and thus is unconditioned, or the series<br />
of conditions is infinite, in which case the series itself as a whole is<br />
something unconditioned. In accord with the four classes of categories<br />
(quantity, quality, relation, modality) there are four cosmological<br />
ideas of the completion of a series, each of which leads to an<br />
antinomy. These ideas pertain to the "absolute completeness" of the