A modal system properly independent of both the Brouwerian system and $S4$.
Georgacarakos, G. N.
Notre Dame J. Formal Logic, Tome 19 (1978) no. 1, p. 101-114 / Harvested from Project Euclid
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Publié le : 1978-01-14
Classification:  02C10 
@article{1093888211,
     author = {Georgacarakos, G. N.},
     title = {A modal system properly independent of both the Brouwerian system and $S4$.},
     journal = {Notre Dame J. Formal Logic},
     volume = {19},
     number = {1},
     year = {1978},
     pages = { 101-114},
     language = {en},
     url = {http://dml.mathdoc.fr/item/1093888211}
}

Georgacarakos, G. N. A modal system properly independent of both the Brouwerian system and $S4$.. Notre Dame J. Formal Logic, Tome 19 (1978) no. 1, pp.  101-114. http://gdmltest.u-ga.fr/item/1093888211/