# @prefix : . @prefix : [hasStudentRule: (?student :takesCourse ?course) (?lecturer :teachesCourse ?course) -> (?lecturer :hasStudent ?student) ] [pensionerRule: (?person :hasAge ?age) greaterThan(?age, 60) -> (?person a :Pensioner) ] [wat: (?chip :co-processor-type "-") -> remove(0) ]