This is an old revision of the document!
removeResult(ident id, ident studentId, ident sheetId) { assume exists //exercises/exercise[id]/students/student[studentId]/result[sheetId]; # implies the existence of pretty much everything remove //exercises/exercise[id]/students/student[studentId]/result[sheetId]; } # roles: tutor[id, groupId] <- groupId is no parameter of procedure!