Ulrich Kohlenbach & Leonid Libkin 
Logic, Language, Information, and Computation [PDF ebook] 
20th International Workshop, WoLLIC 2013, Darmstadt, Germany, August 20-23, 2013, Proceedings

Edited in collaboration with Fo LLI, the Association of Logic, Language and Information this book constitutes the refereed proceedings of the 20th Workshop on Logic, Language, Information and Communication, Wo LLIC 2013, held in Darmstadt, Germany, in August 2013. The 17 contributed papers presented together with 6 invited lectures were carefully reviewed and selected from 30 submissions. The scope of the workshop spans the theoretical and practical aspects of formal logic, computing and programming theory, and natural language and reasoning.