Approved PRD Retract Action of RIF PRD Demonstrates the retract action in RIF PRD. The rule retracts the existing customer object. Retract-premise.rif http://www.w3.org/2005/rules/test/repository/tc/Retract/Retract-premise.rif ) Group ( Forall ?X ( If ?X[ex:status -> "normal"] Then Do ( Retract (?X) ) ) ex:john[ex:status -> "normal" ex:test -> "some value"] ) ) ]]> Retract-nonconclusion.rif http://www.w3.org/2005/rules/test/repository/tc/Retract/Retract-nonconclusion.rif "some value"] ]]>