Parables of Jesus the unforgiving servant, dealing with forgiveness; the parable of the Good Samaritan, dealing with practical love; and the parable of the Friend at Night, dealing with persistence in prayer. Of the thirty or so parables in the canonical Gospels, four were shown in medieval art almost to the exclusion of the others, but not mixed in with the narrative scenes of the "Life of Christ". These were: the Ten Virgins, the Rich man and Lazarus, the Prodigal Son and the Good Samaritan. Artists famous for depicting parables include Martin Schongauer, Pieter the Elder Bruegal and Albrecht Dürer. The Workers in
Proper name (philosophy) to the specific referent within that community. Today a direct reference theory is common, which holds that proper names refer to their referents without attributing any additional information, connotative or of sense, about them. The problem of proper names arise within a theory of meaning that is based on truth values and propositional logic, when trying to ascertain the criteria with which to determine if propositions that include proper names are true or false. For example, in the proposition "Cicero is Roman" it is unclear what semantic content the proper name "Cicero" provides to the proposition. One may intuitively assume