@Inproceedings{EPTCS290.2, author = {Villadsen, J{\o}rgen and From, Andreas Halkj{\ae}r and Schlichtkrull, Anders}, year = {2019}, title = {Natural Deduction Assistant (NaDeA)}, editor = {Quaresma, Pedro and Neuper, Walther}, booktitle = {{\rm Proceedings 7th International Workshop on} Theorem proving components for Educational software, {\rm Oxford, United Kingdom, 18 july 2018}}, series = {Electronic Proceedings in Theoretical Computer Science}, volume = {290}, publisher = {Open Publishing Association}, pages = {14-29}, doi = {10.4204/EPTCS.290.2}, }