@incollection{Marakakis12, author = {Emmanouil Marakakis and Haridimos Kondylakis and Nikos Papadakis}, title = {Knowledge Representation in a Proof Checker for Logic Programs}, booktitle = {Advances in Knowledge Representation}, publisher = {IntechOpen}, address = {Rijeka}, year = {2012}, editor = {Carlos Ramírez Gutiérrez}, chapter = {7}, doi = {10.5772/37201}, url = {https://doi.org/10.5772/37201} }