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) - 26 Feb 2015