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PROGRAM

 

  Monday, July 02 
09:00 - 09:30 Opening Session
09:30 - 10:30 Invited Talk: Grigori Mints (University of Stanford)
Natural Deduction and its Neighbors
10:30 - 11:00 Break
11:00 - 12:00 Invited Talk: Ruy de Queiróz (Universidade Federal de Pernambuco)
Natural Deduction for Equality
12:00 - 14:00 Lunch break
14:00 - 14:30 Neil Leslie
Characterizing the difference between NJ and NK in a connective-free manner
14:30 - 15:30 Invited Talk: Christian Urban (University of Cambridge)
Revisiting Zucker's work on the Correspondence between Cut-Elimination and Normalization.
15:30 - 16:00 Break
16:00 - 17:00 Invited Talk: Jan von Plato (University of Helsinki)
Natural Deduction and Sequent Calculus
   
  Tuesday, July 03
09:30 - 10:30 Invited Talk: Valéria de Paiva (Xerox Parc)
Soundness and Completeness are not enough: Linear Type Theory and their Models.
10:30 - 11:00 Break
11:00 - 11:30 Ernst Zimmermann (IBM - Germany)
Peirce's Rule in Natural Deduction
11:30 - 12:00 Daniel Durante Pereira Alves and Wagner Sanz
Denial, Relevance and Information
12:00 - 14:00 Lunch break
14:00 - 14:30 José Eduardo Moura
TBA
14:30 - 15:30 Invited Talk: Jean-Baptiste Joinet (Univ. Paris I - Sorbonne)
From Natural Deduction to the Nature of Reasoning
15:30 - 16:00 Break
16:00 - 17:00 Invited Talk: Oswaldo Chateaubriand Filho (PUC-Rio)
Proof and Logical Deduction
   
  Wednesday, July 04
09:00 - 10:00 Invited Talk: Gilles Dowek (INRIA)
About folding-unfolding cuts and cuts modulo (the quest for a theory independent notion of cut).
10:00 - 10:30 Break
10:30 - 11:00 Christian Renteria, Edward H. Haeusler, Paulo Veloso
A Natural Deduction System for the Logic of Ultrafilters
11:00 - 12:00 Invited Talk: Dag Prawitz (University of  Stockholm) 
Natural Deduction and the Concept of Proof
   
  Thursday, July 05
09:30 - 10:30 Invited Talk: Andrea Masini (University of Trento)
An Indexed Approach to Modalities
10:30 - 11:00 Break
11:00 - 11:30 Eduardo Ochs (PUC-Rio)
A System of Natural Deduction for Categories
11:30 - 12:00 Wagner Sanz
Big Bound
12:00 - 14:00 Lunch break
14:00 - 15:00 Invited Talk: Xavier Legris (Universidad de Buenos Aires)
Paul Hertz' Systems of Propositions as a Proof-theoretical Conception of Logic.
15:00 - 15:30 Break
15:30 - 16:30 Invited Talk: Peter Schröder-Heister (University of Tübingen)
Some Remarks on the Origins of Gentzen's Logical Systems.
   
  Friday, July 06
09:30 - 10:30 Invited Talk: Jonathan Seldin
Type Theories from Barendregt's Cube for Theorem Provers
10:30 - 11:00 Break
11:00 - 11:30 Dale Miller and Elaine Pimentel
Linear Logic as a Framework for Specifying Sequent Calculus
11:30 - 12:00 Anjolina G. de Oliveira and Ruy J.G.B. de Queiroz (UFPe)
Soudness in Multiple-Conclusion Logic
12:00 - 14:00 Lunch break
14:00 - 15:00 Invited Talk: Sara Negri (University of Helsinki) 
A Uniform Calculus for Linear Logic
15:00 - 15:30 Invited Talk: Roy Dyckhoff (University of St. Andrews)
Herbelin's Calculus of Explicit Substitutions as a Sequent Calculus Isomorphic to Natural Deduction