Four-valued tables and modal logic.
Purtill, Richard L.
Notre Dame J. Formal Logic, Tome 11 (1970) no. 1, p. 505-511 / Harvested from Project Euclid
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Publié le : 1970-10-14
Classification:  02C10 
@article{1093894084,
     author = {Purtill, Richard L.},
     title = {Four-valued tables and modal logic.},
     journal = {Notre Dame J. Formal Logic},
     volume = {11},
     number = {1},
     year = {1970},
     pages = { 505-511},
     language = {en},
     url = {http://dml.mathdoc.fr/item/1093894084}
}

Purtill, Richard L. Four-valued tables and modal logic.. Notre Dame J. Formal Logic, Tome 11 (1970) no. 1, pp.  505-511. http://gdmltest.u-ga.fr/item/1093894084/