MEDIEVAL FACETED KNOWLEDGE OF CLASSIFICATION - LLULL,RAMON TREES OF SCIENCE

Ramon Llull (1232-1316) wrote many didactic and theoretical works that demonstrate an exhaustive and creative approach to the organization o f knowledge. His encyclopedic Arbre de sciencia (1296) was a multi-vol ume summation of human knowledge, organized according to a plan that c ould be applied to other works. Set against a background of Llull's ot her tree-based works, including the Libre del gentile e dels tres savi s (1274-89), and the Arbre de filosofia desiderat (1294), the Arbre de sciencia is described and analyzed as a faceted classification system .