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  • $B%7%s%,!
  • $B%I%%!&%t%!(B-$B%k!"(BF. (1998)$B!XMx8JE*$J%5%k!"B>?M$r;W$$$d$k%5%k!Y(B($B@>EDMxDg!&F#0f(B $BN1H~Lu(B)$B!"Ap;W
  • $B%X%"!"(BR.M. (1994)$B!XF;FAE*$K9M$($k$3$H!Y!"R&Ap=qK
  • $B1|LnK~N$;R(B(1999)$B!X%7%8%&%#%C%/$H8=Be8yMx
  • $B1vLnC+M40l(B(1984)$B!X2ACMM}G0$N9=B$!YElMN7P:Q?7Js
  • $BFb0fAZ<7(B(1974)$B!VNQM}H=CG$NIaJW2=2DG=@-$K$D$$$F!W!X?MJ83XJs!Y(B38$B!"(B 1974$B!#(B
  • $BFb0fAZ<7(B(1988)$B!X<+M3$NK!B'!&Mx32$NO@M}!Y!"%_%M%k%t%!=qK
  • $BFb0fAZ<7(B(1996)$B!X?J2=O@$HNQM}!Y!"@$3&;WA[
  • $BFb0fAZ<7(B(1998-9)$B!VF;FA5/8;O@$+$i?J2=NQM}3X$X!W!"(B1998-9$B!#(B
  • $B;34_=SCK(B(1998)$B!X?.Mj$N9=B$!Y!"El5~Bg3X=PHG2q!"(B1998$B!#(B
  • Brandt, R. B. (1979) A Theory of the Good and the Right, Oxford: Clarendon Press.