@INPROCEEDINGS{SchmidtOrlowskaHustadt04a, AUTHOR = {Schmidt, R. A. and Orlowska, E. and Hustadt, U.}, YEAR = {2004}, TITLE = {Two Proof Systems for {P}eirce Algebras}, EDITOR = {Berghammer, R. and M{\"o}ller, B. and Struth, G.}, BOOKTITLE = {Relational and {K}leene-Algebraic Methods in Computer Science (RelMiCS 7)}, SERIES = {Lecture Notes in Computer Science}, VOLUME = {3051}, PUBLISHER = {Springer}, PAGES = {238--251}, URL = {\url{http://www.cs.man.ac.uk/~schmidt/publications/SchmidtOrlowskaHustadt04a.html}}, ABSTRACT = { This paper develops and compares two tableaux-style proof systems for Peirce algebras. One is a tableau refutation proof system, the other is a proof system in the style of Rasiowa-Sikorski. } }