14Th International Workshop on Logic, Language, Information and Computation, Date: JUL 02-05, 2007, Location: Rio de Janeiro, BRAZIL, Patrocinadores: Assoc Symbol Logic, Interest Grp Pure & Appl Log, European Assoc Log, Language & Informat, European Assoc Theoret Comp Sci, Soc Brasileira Computacao, Soc Brasileira Loc