{HEAD ~ An object} of the present invention is to provide {TAIL ~ a knowledge base system} which can build a computer system for executing the knowledge base without considering execution sequence of the knowledge base, and can execute the knowledge base in a correct sequence for the relationship among items of the knowledge base 
is to provide
{ HEAD ~ An object } of the present invention is to provide { TAIL ~ a knowledge base system } which can build a computer system for executing the knowledge base without considering execution sequence of the knowledge base , and can execute the knowledge base in a correct sequence for the relationship among items of the knowledge base
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH