Edited in collaboration with FoLLI the Association of Logic Language and Information this
book constitutes the refereed proceedings of the 21st Workshop on Logic Language Information
and Communication WoLLIC 2014 held in Valparaiso Chile in September 2014. The 15
contributed papers presented together with 6 invited lectures were carefully reviewed and
selected from 29 submissions. The focus of the workshop was on the following subjects
Inter-Disciplinary Research involving Formal Logic Computing and Programming Theory and
Natural Language and Reasoning.
