Proceedings of the 23rd Workshop on Logic-based methods in Programming Environments (WLPE 2013)

This volume contains the papers presented at the 23rd Workshop on Logic-based Methods in Programming Environments (WLPE 2013), which was held in Istanbul, Turkey, on August 24 & 25 2013 as a satellite event of the 29th International Conference on Logic Programming, (ICLP 2013).