@article{1093957657, author = {Sayre, Kenneth M.}, title = {Propositional logic in Plato's Protagoras.}, journal = {Notre Dame J. Formal Logic}, volume = {4}, number = {1}, year = {1963}, pages = { 306-312}, language = {en}, url = {http://dml.mathdoc.fr/item/1093957657} }
Sayre, Kenneth M. Propositional logic in Plato's Protagoras.. Notre Dame J. Formal Logic, Tome 4 (1963) no. 1, pp. 306-312. http://gdmltest.u-ga.fr/item/1093957657/