In a context considering in a unique framework all the relations in a database, by means of the notion of global consistency, independent database schemes allow enforcement of con...
A model for a historical database is described which is based upon time-stamped tuples as the unit of storage. The model includes both physical and logical time-stamps. The techni...
The Calculus of Constructions is a higher-order formalism for writing constructive proofs in a natural deduction style, inspired from work of de Bruijn [2, 3], Girard [12], Martin...