38. The system according to claim 37 wherein said system further comprises: said state rule consisting of an antecedent part and a consequent part.
38. The system according to claim 37 wherein said system further comprises: said state rule consisting of an antecedent part and a consequent part. 45. The system according to claim 38 wherein said system further comprises: an object class state time prior condition wherein said rule nodes of said antecedent part must be time prior to said rule nodes of said consequent part.