[comp.lang.prolog] 'how' and 'why' in Prolog

mazda@shako.sk.tsukuba.junet (N.Mazda) (09/17/87)

     Does anyone know how to program 'How' and 'Why' in Dec-10
Prolog?  I am novice to both Expert Systems and Prolog.

     Thank you in advance for your valuable info.

     MAZDA, N.  at ISEP, U. of Tsukuba, Japan.