1. From IF to BI;Abramsky;Synthese,2009
2. Inquisitive Semantics and Intermediate Logics;Ciardelli,2009
3. Questions in Logic;Ciardelli,2016
4. Inquisitive logic;Ciardelli;J. Philos. Logic,2011
5. Further Normalization of the Data Base Relational Model;Codd,1971