Electronic Notes in Theoretical Computer Science, Volume 256
Volume 256, December 2009

Vaston G. Costa, Wagner Sanz, Edward Hermann Haeusler, Luiz Carlos Pereira: Peirce's Rule in a Full Natural Deduction System. 5-18
Robert Demolombe, Luis Fariñas del Cerro: How to Produce Information About a Given Entity Using Automated Deduction Methods. 19-31
Ricardo Queiroz de Araujo Fernandes, Edward Hermann Haeusler: A Topos-Theoretic Approach to Counterfactual Logic. 33-47
Fulya Horozal, Florian Rabe: Representing Model Theory in a Type-Theoretical Logical Framework. 49-65
Favio E. Miranda-Perea, Lourdes Del Carmen González-Huesca: Selective Memoization with Box Types. 67-85
Adolfo Neto, Celso A. A. Kaestner, Marcelo Finger: Towards an Efficient Prover for the C1 Paraconsistent Logic. 87-102
Rafael del Vado Vírseda: A Logical Framework for Debugging in Declarative Constraint Programming. 119-135



