@book{Bealer1982-BEAQAC,author = {George Bealer},abstract = {This study provides a unified theory of properties, relations, and propositions (PRPs). Two conceptions of PRPs have emerged in the history of philosophy. The author explores both of these traditional conceptions and shows how they can be captured by a single theory.},publisher = {Oxford University Press},year = {1982},title = {Quality and Concept}}@