The function returns true if and only if instantiation1 is preferred to instantiation2 by the conflict resolution tactic -specificity
, otherwise false. The function is intended to be used primarily by including it in the conflict resolution strategy for a context.
(defcontext my-context1 :strategy (-specificity))
(defcontext my-context2
:strategy (priority -specificity))
KnowledgeWorks and Prolog User Guide (Unix version) - 24 Mar 2017