the critique of pure reason-µÚ74²¿·Ö
°´¼üÅÌÉÏ·½Ïò¼ü ¡û »ò ¡ú ¿É¿ìËÙÉÏÏ·ҳ£¬°´¼üÅÌÉ쵀 Enter ¼ü¿É»Øµ½±¾ÊéĿ¼ҳ£¬°´¼üÅÌÉÏ·½Ïò¼ü ¡ü ¿É»Øµ½±¾Ò³¶¥²¿£¡
¡ª¡ª¡ª¡ªÎ´ÔĶÁÍꣿ¼ÓÈëÊéÇ©ÒѱãÏ´μÌÐøÔĶÁ£¡
and£»¡¡consequently£»¡¡that¡¡a¡¡first¡¡beginning£»¡¡mathematical¡¡or
dynamical£»¡¡is¡¡by¡¡no¡¡means¡¡required¡£¡¡The¡¡possibility¡¡of¡¡such¡¡an
infinite¡¡derivation£»¡¡without¡¡any¡¡initial¡¡member¡¡from¡¡which¡¡all¡¡the
others¡¡result£»¡¡is¡¡certainly¡¡quite¡¡incomprehensible¡£¡¡But£»¡¡if¡¡you¡¡are
rash¡¡enough¡¡to¡¡deny¡¡the¡¡enigmatical¡¡secrets¡¡of¡¡nature¡¡for¡¡this¡¡reason£»
you¡¡will¡¡find¡¡yourselves¡¡obliged¡¡to¡¡deny¡¡also¡¡the¡¡existence¡¡of¡¡many
fundamental¡¡properties¡¡of¡¡natural¡¡objects¡¡£¨such¡¡as¡¡fundamental
forces£©£»¡¡which¡¡you¡¡can¡¡just¡¡as¡¡little¡¡comprehend£»¡¡and¡¡even¡¡the
possibility¡¡of¡¡so¡¡simple¡¡a¡¡conception¡¡as¡¡that¡¡of¡¡change¡¡must¡¡present
to¡¡you¡¡insuperable¡¡difficulties¡£¡¡For¡¡if¡¡experience¡¡did¡¡not¡¡teach¡¡you
that¡¡it¡¡was¡¡real£»¡¡you¡¡never¡¡could¡¡conceive¡¡a¡¡priori¡¡the¡¡possibility¡¡of
this¡¡ceaseless¡¡sequence¡¡of¡¡being¡¡and¡¡non¡being¡£
¡¡¡¡But¡¡if¡¡the¡¡existence¡¡of¡¡a¡¡transcendental¡¡faculty¡¡of¡¡freedom¡¡is
granted¡¡¡a¡¡faculty¡¡of¡¡originating¡¡changes¡¡in¡¡the¡¡world¡¡¡this¡¡faculty
must¡¡at¡¡least¡¡exist¡¡out¡¡of¡¡and¡¡apart¡¡from¡¡the¡¡world£»¡¡although¡¡it¡¡is
certainly¡¡a¡¡bold¡¡assumption£»¡¡that£»¡¡over¡¡and¡¡above¡¡the¡¡complete¡¡content
of¡¡all¡¡possible¡¡intuitions£»¡¡there¡¡still¡¡exists¡¡an¡¡object¡¡which
cannot¡¡be¡¡presented¡¡in¡¡any¡¡possible¡¡perception¡£¡¡But£»¡¡to¡¡attribute¡¡to
substances¡¡in¡¡the¡¡world¡¡itself¡¡such¡¡a¡¡faculty£»¡¡is¡¡quite
inadmissible£»¡¡for£»¡¡in¡¡this¡¡case£»¡¡the¡¡connection¡¡of¡¡phenomena
reciprocally¡¡determining¡¡and¡¡determined¡¡according¡¡to¡¡general¡¡laws£»
which¡¡is¡¡termed¡¡nature£»¡¡and¡¡along¡¡with¡¡it¡¡the¡¡criteria¡¡of¡¡empirical
truth£»¡¡which¡¡enable¡¡us¡¡to¡¡distinguish¡¡experience¡¡from¡¡mere¡¡visionary
dreaming£»¡¡would¡¡almost¡¡entirely¡¡disappear¡£¡¡In¡¡proximity¡¡with¡¡such¡¡a
lawless¡¡faculty¡¡of¡¡freedom£»¡¡a¡¡system¡¡of¡¡nature¡¡is¡¡hardly¡¡cogitable£»
for¡¡the¡¡laws¡¡of¡¡the¡¡latter¡¡would¡¡be¡¡continually¡¡subject¡¡to¡¡the
intrusive¡¡influences¡¡of¡¡the¡¡former£»¡¡and¡¡the¡¡course¡¡of¡¡phenomena£»¡¡which
would¡¡otherwise¡¡proceed¡¡regularly¡¡and¡¡uniformly£»¡¡would¡¡become
thereby¡¡confused¡¡and¡¡disconnected¡£
¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡FOURTH¡¡CONFLICT¡¡OF¡¡THE¡¡TRANSCENDENTAL¡¡IDEAS¡£
¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡THESIS¡£
¡¡¡¡There¡¡exists¡¡either¡¡in£»¡¡or¡¡in¡¡connection¡¡with¡¡the¡¡world¡¡¡either¡¡as¡¡a
part¡¡of¡¡it£»¡¡or¡¡as¡¡the¡¡cause¡¡of¡¡it¡an¡¡absolutely¡¡necessary¡¡being¡£
¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡PROOF¡£
¡¡¡¡The¡¡world¡¡of¡¡sense£»¡¡as¡¡the¡¡sum¡¡total¡¡of¡¡all¡¡phenomena£»¡¡contains¡¡a
series¡¡of¡¡changes¡£¡¡For£»¡¡without¡¡such¡¡a¡¡series£»¡¡the¡¡mental
representation¡¡of¡¡the¡¡series¡¡of¡¡time¡¡itself£»¡¡as¡¡the¡¡condition¡¡of¡¡the
possibility¡¡of¡¡the¡¡sensuous¡¡world£»¡¡could¡¡not¡¡be¡¡presented¡¡to¡¡us¡£*
But¡¡every¡¡change¡¡stands¡¡under¡¡its¡¡condition£»¡¡which¡¡precedes¡¡it¡¡in¡¡time
and¡¡renders¡¡it¡¡necessary¡£¡¡Now¡¡the¡¡existence¡¡of¡¡a¡¡given¡¡condition
presupposes¡¡a¡¡complete¡¡series¡¡of¡¡conditions¡¡up¡¡to¡¡the¡¡absolutely
unconditioned£»¡¡which¡¡alone¡¡is¡¡absolutely¡¡necessary¡£¡¡It¡¡follows¡¡that
something¡¡that¡¡is¡¡absolutely¡¡necessary¡¡must¡¡exist£»¡¡if¡¡change¡¡exists¡¡as
its¡¡consequence¡£¡¡But¡¡this¡¡necessary¡¡thing¡¡itself¡¡belongs¡¡to¡¡the
sensuous¡¡world¡£¡¡For¡¡suppose¡¡it¡¡to¡¡exist¡¡out¡¡of¡¡and¡¡apart¡¡from¡¡it£»
the¡¡series¡¡of¡¡cosmical¡¡changes¡¡would¡¡receive¡¡from¡¡it¡¡a¡¡beginning£»
and¡¡yet¡¡this¡¡necessary¡¡cause¡¡would¡¡not¡¡itself¡¡belong¡¡to¡¡the¡¡world¡¡of
sense¡£¡¡But¡¡this¡¡is¡¡impossible¡£¡¡For£»¡¡as¡¡the¡¡beginning¡¡of¡¡a¡¡series¡¡in
time¡¡is¡¡determined¡¡only¡¡by¡¡that¡¡which¡¡precedes¡¡it¡¡in¡¡time£»¡¡the¡¡supreme
condition¡¡of¡¡the¡¡beginning¡¡of¡¡a¡¡series¡¡of¡¡changes¡¡must¡¡exist¡¡in¡¡the
time¡¡in¡¡which¡¡this¡¡series¡¡itself¡¡did¡¡not¡¡exist£»¡¡for¡¡a¡¡beginning
supposes¡¡a¡¡time¡¡preceding£»¡¡in¡¡which¡¡the¡¡thing¡¡that¡¡begins¡¡to¡¡be¡¡was
not¡¡in¡¡existence¡£¡¡The¡¡causality¡¡of¡¡the¡¡necessary¡¡cause¡¡of¡¡changes£»¡¡and
consequently¡¡the¡¡cause¡¡itself£»¡¡must¡¡for¡¡these¡¡reasons¡¡belong¡¡to
time¡¡¡and¡¡to¡¡phenomena£»¡¡time¡¡being¡¡possible¡¡only¡¡as¡¡the¡¡form¡¡of
phenomena¡£¡¡Consequently£»¡¡it¡¡cannot¡¡be¡¡cogitated¡¡as¡¡separated¡¡from
the¡¡world¡¡of¡¡sense¡¡¡the¡¡sum¡¡total¡¡of¡¡all¡¡phenomena¡£¡¡There¡¡is£»
therefore£»¡¡contained¡¡in¡¡the¡¡world£»¡¡something¡¡that¡¡is¡¡absolutely
necessary¡¡¡whether¡¡it¡¡be¡¡the¡¡whole¡¡cosmical¡¡series¡¡itself£»¡¡or¡¡only¡¡a
part¡¡of¡¡it¡£
¡¡¡¡*Objectively£»¡¡time£»¡¡as¡¡the¡¡formal¡¡condition¡¡of¡¡the¡¡possibility¡¡of
change£»¡¡precedes¡¡all¡¡changes£»¡¡but¡¡subjectively£»¡¡and¡¡in
consciousness£»¡¡the¡¡representation¡¡of¡¡time£»¡¡like¡¡every¡¡other£»¡¡is
given¡¡solely¡¡by¡¡occasion¡¡of¡¡perception¡£
¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ANTITHESIS¡£
¡¡¡¡An¡¡absolutely¡¡necessary¡¡being¡¡does¡¡not¡¡exist£»¡¡either¡¡in¡¡the¡¡world£»
or¡¡out¡¡of¡¡it¡¡¡as¡¡its¡¡cause¡£
¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡PROOF¡£
¡¡¡¡Grant¡¡that¡¡either¡¡the¡¡world¡¡itself¡¡is¡¡necessary£»¡¡or¡¡that¡¡there¡¡is
contained¡¡in¡¡it¡¡a¡¡necessary¡¡existence¡£¡¡Two¡¡cases¡¡are¡¡possible¡£
First£»¡¡there¡¡must¡¡either¡¡be¡¡in¡¡the¡¡series¡¡of¡¡cosmical¡¡changes¡¡a
beginning£»¡¡which¡¡is¡¡unconditionally¡¡necessary£»¡¡and¡¡therefore¡¡uncaused¡
which¡¡is¡¡at¡¡variance¡¡with¡¡the¡¡dynamical¡¡law¡¡of¡¡the¡¡determination¡¡of
all¡¡phenomena¡¡in¡¡time£»¡¡or£»¡¡secondly£»¡¡the¡¡series¡¡itself¡¡is¡¡without
beginning£»¡¡and£»¡¡although¡¡contingent¡¡and¡¡conditioned¡¡in¡¡all¡¡its
parts£»¡¡is¡¡nevertheless¡¡absolutely¡¡necessary¡¡and¡¡unconditioned¡¡as¡¡a
whole¡¡¡which¡¡is¡¡self¡contradictory¡£¡¡For¡¡the¡¡existence¡¡of¡¡an
aggregate¡¡cannot¡¡be¡¡necessary£»¡¡if¡¡no¡¡single¡¡part¡¡of¡¡it¡¡possesses
necessary¡¡existence¡£
¡¡¡¡Grant£»¡¡on¡¡the¡¡other¡¡band£»¡¡that¡¡an¡¡absolutely¡¡necessary¡¡cause
exists¡¡out¡¡of¡¡and¡¡apart¡¡from¡¡the¡¡world¡£¡¡This¡¡cause£»¡¡as¡¡the¡¡highest
member¡¡in¡¡the¡¡series¡¡of¡¡the¡¡causes¡¡of¡¡cosmical¡¡changes£»¡¡must¡¡originate
or¡¡begin*¡¡the¡¡existence¡¡of¡¡the¡¡latter¡¡and¡¡their¡¡series¡£¡¡In¡¡this¡¡case
it¡¡must¡¡also¡¡begin¡¡to¡¡act£»¡¡and¡¡its¡¡causality¡¡would¡¡therefore¡¡belong¡¡to
time£»¡¡and¡¡consequently¡¡to¡¡the¡¡sum¡¡total¡¡of¡¡phenomena£»¡¡that¡¡is£»¡¡to
the¡¡world¡£¡¡It¡¡follows¡¡that¡¡the¡¡cause¡¡cannot¡¡be¡¡out¡¡of¡¡the¡¡world£»¡¡which
is¡¡contradictory¡¡to¡¡the¡¡hypothesis¡£¡¡Therefore£»¡¡neither¡¡in¡¡the¡¡world£»
nor¡¡out¡¡of¡¡it¡¡£¨but¡¡in¡¡causal¡¡connection¡¡with¡¡it£©£»¡¡does¡¡there¡¡exist¡¡any
absolutely¡¡necessary¡¡being¡£
¡¡¡¡*The¡¡word¡¡begin¡¡is¡¡taken¡¡in¡¡two¡¡senses¡£¡¡The¡¡first¡¡is¡¡active¡¡¡the
cause¡¡being¡¡regarded¡¡as¡¡beginning¡¡a¡¡series¡¡of¡¡conditions¡¡as¡¡its¡¡effect
£¨infit£©¡£¡¡The¡¡second¡¡is¡¡passive¡¡¡the¡¡causality¡¡in¡¡the¡¡cause¡¡itself
beginning¡¡to¡¡operate¡¡£¨fit£©¡£¡¡I¡¡reason¡¡here¡¡from¡¡the¡¡first¡¡to¡¡the
second¡£
¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡OBSERVATIONS¡¡ON¡¡THE¡¡FOURTH¡¡ANTINOMY¡£
¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ON¡¡THE¡¡THESIS¡£
¡¡¡¡To¡¡demonstrate¡¡the¡¡existence¡¡of¡¡a¡¡necessary¡¡being£»¡¡I¡¡cannot¡¡be
permitted¡¡in¡¡this¡¡place¡¡to¡¡employ¡¡any¡¡other¡¡than¡¡the¡¡cosmological
argument£»¡¡which¡¡ascends¡¡from¡¡the¡¡conditioned¡¡in¡¡phenomena¡¡to¡¡the
unconditioned¡¡in¡¡conception¡¡¡the¡¡unconditioned¡¡being¡¡considered¡¡the
necessary¡¡condition¡¡of¡¡the¡¡absolute¡¡totality¡¡of¡¡the¡¡series¡£¡¡The¡¡proof£»
from¡¡the¡¡mere¡¡idea¡¡of¡¡a¡¡supreme¡¡being£»¡¡belongs¡¡to¡¡another¡¡principle¡¡of
reason¡¡and¡¡requires¡¡separate¡¡discussion¡£
¡¡¡¡The¡¡pure¡¡cosmological¡¡proof¡¡demonstrates¡¡the¡¡existence¡¡of¡¡a
necessary¡¡being£»¡¡but¡¡at¡¡the¡¡same¡¡time¡¡leaves¡¡it¡¡quite¡¡unsettled£»
whether¡¡this¡¡being¡¡is¡¡the¡¡world¡¡itself£»¡¡or¡¡quite¡¡distinct¡¡from¡¡it¡£
To¡¡establish¡¡the¡¡truth¡¡of¡¡the¡¡latter¡¡view£»¡¡principles¡¡are¡¡requisite£»
which¡¡are¡¡not¡¡cosmological¡¡and¡¡do¡¡not¡¡proceed¡¡in¡¡the¡¡series¡¡of
phenomena¡£¡¡We¡¡should¡¡require¡¡to¡¡introduce¡¡into¡¡our¡¡proof¡¡conceptions
of¡¡contingent¡¡beings¡¡¡regarded¡¡merely¡¡as¡¡objects¡¡of¡¡the¡¡understanding£»
and¡¡also¡¡a¡¡principle¡¡which¡¡enables¡¡us¡¡to¡¡connect¡¡these£»¡¡by¡¡means¡¡of
mere¡¡conceptions£»¡¡with¡¡a¡¡necessary¡¡being¡£¡¡But¡¡the¡¡proper¡¡place¡¡for¡¡all
such¡¡arguments¡¡is¡¡a¡¡transcendent¡¡philosophy£»¡¡which¡¡has¡¡unhappily¡¡not
yet¡¡been¡¡established¡£
¡¡¡¡But£»¡¡if¡¡we¡¡begin¡¡our¡¡proof¡¡cosmologically£»¡¡by¡¡laying¡¡at¡¡the
foundation¡¡of¡¡it¡¡the¡¡series¡¡of¡¡phenomena£»¡¡and¡¡the¡¡regress¡¡in¡¡it
according¡¡to¡¡empirical¡¡laws¡¡of¡¡causality£»¡¡we¡¡are¡¡not¡¡at¡¡liberty¡¡to
break¡¡off¡¡from¡¡this¡¡mode¡¡of¡¡demonstration¡¡and¡¡to¡¡pass¡¡over¡¡to
something¡¡which¡¡is¡¡not¡¡itself¡¡a¡¡member¡¡of¡¡the¡¡series¡£¡¡The¡¡condition
must¡¡be¡¡taken¡¡in¡¡exactly¡¡the¡¡same¡¡signification¡¡as¡¡the¡¡relation¡¡of¡¡the
conditioned¡¡to¡¡its¡¡condition¡¡in¡¡the¡¡series¡¡has¡¡been¡¡taken£»¡¡for¡¡the
series¡¡must¡¡conduct¡¡us¡¡in¡¡an¡¡unbroken¡¡regress¡¡to¡¡this¡¡supreme
condition¡£¡¡But¡¡if¡¡this¡¡relation¡¡is¡¡sensuous£»¡¡and¡¡belongs¡¡to¡¡the
possible¡¡empirical¡¡employment¡¡of¡¡understanding£»¡¡the¡¡supreme
condition¡¡or¡¡cause¡¡must¡¡close¡¡the¡¡regressive¡¡series¡¡according¡¡to¡¡the
laws¡¡of¡¡sensibility¡¡and¡¡consequently£»¡¡must¡¡belong¡¡to¡¡the¡¡series¡¡of
time¡£¡¡It¡¡follows¡¡that¡¡this¡¡necessary¡¡existence¡¡must¡¡be¡¡regarded¡¡as¡¡the
highest¡¡member¡¡of¡¡the¡¡cosmical¡¡series¡£
¡¡¡¡Certain¡¡philosophers¡¡have£»¡¡nevertheless£»¡¡allowed¡¡themselves¡¡the
liberty¡¡of¡¡making¡¡such¡¡a¡¡saltus¡¡£¨metabasis¡¡eis¡¡allo¡¡gonos£©¡£¡¡From¡¡the
changes¡¡in¡¡the¡¡world¡¡they¡¡have¡¡concluded¡¡their¡¡empirical
contingency£»¡¡that¡¡is£»¡¡their¡¡dependence¡¡on¡¡empirically¡determined
causes£»¡¡and¡¡they¡¡thus¡¡admitted¡¡an¡¡ascending¡¡series¡¡of¡¡empirical
conditions£º¡¡and¡¡in¡¡this¡¡they¡¡are¡¡quite¡¡right¡£¡¡But¡¡as¡¡they¡¡could¡¡not
find¡¡in¡¡this¡¡series¡¡any¡¡primal¡¡beginning¡¡or¡¡any¡¡highest¡¡member£»¡¡they
passed¡¡suddenly¡¡from¡¡the¡¡empirical¡¡conception¡¡of¡¡contingency¡¡to¡¡the
pure¡¡category£»¡¡which¡¡presents¡¡us¡¡with¡¡a¡¡series¡¡¡not¡¡sensuous£»¡¡but
intellectual¡¡¡whose¡¡completeness¡¡does¡¡certainly¡¡rest¡¡upon¡¡the
existence¡¡of¡¡an¡¡absolutely¡¡necessary¡¡cause¡£¡¡Nay£»¡¡more£»¡¡this
intellectual¡¡series¡¡is¡¡not¡¡tied¡¡to¡¡any¡¡sensuous¡¡conditions£»¡¡and¡¡is
therefore¡¡free¡¡from¡¡the¡¡condition¡¡of¡¡time£»¡¡which¡¡requires¡¡it
spontaneously¡¡to¡¡begin¡¡its¡¡causality¡¡in¡¡time¡£¡¡But¡¡such¡¡a¡¡procedure
is¡¡perfectly¡¡inadmissible£»¡¡as¡¡will¡¡be¡¡made¡¡plain¡¡from¡¡what¡¡follows¡£
¡¡¡¡In¡¡the¡¡pure¡¡sense¡¡of¡¡the¡¡categories£»¡¡that¡¡is¡¡contingent¡¡the
contradictory¡¡opposite¡¡of¡¡which¡¡is¡¡possible¡£¡¡Now¡¡we¡¡cannot¡¡reason¡¡from
empirical¡¡contingency¡¡to¡¡intellectual¡£¡¡The¡¡opposite¡¡of¡¡that¡¡which¡¡is
changed¡¡¡the¡¡opposite¡¡of¡¡its¡¡state¡¡¡is¡¡actual¡¡at¡¡another¡¡time£»¡¡and
is¡¡therefore¡¡possible¡£¡¡Consequently£»¡¡it¡¡is¡¡not¡¡the¡¡contradictory
opposite¡¡of¡¡the¡¡former¡¡state¡£¡¡To¡¡be¡¡that£»¡¡it¡¡is¡¡necessary¡¡that£»¡¡in¡¡the
same¡¡time¡¡in¡¡which¡¡the¡¡preceding¡¡state¡¡existed£»¡¡its¡¡opposite¡¡could
have¡¡existed¡¡in¡¡its¡¡place£»¡¡but¡¡such¡¡a¡¡cognition¡¡is¡¡not¡¡given¡¡us¡¡in¡¡the
mere¡¡phenomenon¡¡of¡¡change¡£¡¡A¡¡body¡¡that¡¡was¡¡in¡¡motion¡¡=¡¡A£»¡¡comes¡¡into¡¡a
state¡¡of¡¡rest¡¡=¡¡non¡A¡£¡¡Now¡¡it¡¡cannot¡¡be¡¡concluded¡¡from¡¡the¡¡fact¡¡that¡¡a
state¡¡opposite¡¡to¡¡the¡¡state¡¡A¡¡follows¡¡it£»¡¡that¡¡the¡¡contradictory
opposite¡¡of¡¡A¡¡is¡¡possible£»¡¡and¡¡that¡¡A¡¡is¡¡therefore¡¡contingent¡£¡¡To
prove¡¡this£»¡¡we¡¡should¡¡require¡¡to¡¡know¡¡that¡¡the¡¡state¡¡of¡¡rest¡¡could
have¡¡existed¡¡in¡¡the¡¡very¡¡s