000  $anz n  2
000  $a주제어
001  $aKSH1998029848
005  $a20021216000000
008  $a980429 n azknnaabn          |a a|a    | 
150  $a순방향 추론[順方向推論]
450  $wr$i영어$aforward chaining
550  $wg$a문제 해결[問題解決]
550  $wg$a추론[推論]
550  $a후진 연결[後進連結]