@article{1183739221, author = {Robinson, Richard E.}, title = {Review: Richard L. Purtill, Logic for Philosophers}, journal = {J. Symbolic Logic}, volume = {39}, number = {1}, year = {1974}, pages = { 614-615}, language = {en}, url = {http://dml.mathdoc.fr/item/1183739221} }
Robinson, Richard E. Review: Richard L. Purtill, Logic for Philosophers. J. Symbolic Logic, Tome 39 (1974) no. 1, pp. 614-615. http://gdmltest.u-ga.fr/item/1183739221/