The rule of excision in positive implication.
Thomas, Ivo
Notre Dame J. Formal Logic, Tome 3 (1962) no. 1, / Harvested from Project Euclid
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Publié le : 1962-05-14
Classification:  02.20 
@article{1093957061,
     author = {Thomas, Ivo},
     title = {The rule of excision in positive implication.},
     journal = {Notre Dame J. Formal Logic},
     volume = {3},
     number = {1},
     year = {1962},
     language = {en},
     url = {http://dml.mathdoc.fr/item/1093957061}
}

Thomas, Ivo. The rule of excision in positive implication.. Notre Dame J. Formal Logic, Tome 3 (1962) no. 1, . http://gdmltest.u-ga.fr/item/1093957061/