TY - BOOK AU - Kattsoff,Louis o. TI - Postulational methods PY - 1934/// CY - Philadelphia PB - University of Pennsylvania KW - Matematicas KW - Filosofía KW - Logica Simbolica KW - Logica Matematica N1 - Reprinted from Philosophy of science, v. 2, no. 2, v. 3, no. 1 and v. 3 ER -