TY - JOUR AU - Andrzej Grzegorczyk TI - A note on the theory of propositional types JO - Fundamenta Mathematicae PY - 1964 SP - 27 EP - 29 VL - 54 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/fm-54-1-27-29/ DO - 10.4064/fm-54-1-27-29 LA - en ID - 10_4064_fm_54_1_27_29 ER -