Removes the top-most context from the agenda.
kw
return
The backward chaining goal return
takes the topmost context on the agenda and makes it the current context, discarding the previous current context. When called from within a rule, rule execution continues to the end and the next rule to fire will be from the new current context.
(return)
KnowledgeWorks and Prolog User Guide (Unix version) - 01 Dec 2021 19:35:49