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@article{DBLP:journals/ndjfl/ErnstFHW02,
author = {Zachary Ernst and
Branden Fitelson and
Kenneth Harris and
Larry Wos},
title = {Shortest Axiomatizations of Implicational S4 and S5},
journal = {Notre Dame Journal of Formal Logic},
volume = {43},
number = {3},
year = {2002},
pages = {169-179},
bibsource = {DBLP, http://dblp.uni-trier.de}
}
Copyright © 2004-02-20 by Michael Ley (ley@uni-trier.de)