TY - JOUR AU - Alan Rose TI - The degree of completeness of a partial system of the2-valued Propositional Calculus. JO - Mathematische Zeitschrift PY - 1951 SP - 181 EP - 183 VL - 54 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZ_1951__54_169220/ ID - MZ_1951__54_169220 ER -