Modal logics with two kinds of necessity and possibility.
Weingartner, Paul
Notre Dame J. Formal Logic, Tome 9 (1968) no. 1, p. 97-159 / Harvested from Project Euclid
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Publié le : 1968-04-14
Classification:  02.27 
@article{1093893411,
     author = {Weingartner, Paul},
     title = {Modal logics with two kinds of necessity and possibility.},
     journal = {Notre Dame J. Formal Logic},
     volume = {9},
     number = {1},
     year = {1968},
     pages = { 97-159},
     language = {en},
     url = {http://dml.mathdoc.fr/item/1093893411}
}

Weingartner, Paul. Modal logics with two kinds of necessity and possibility.. Notre Dame J. Formal Logic, Tome 9 (1968) no. 1, pp.  97-159. http://gdmltest.u-ga.fr/item/1093893411/