TY  - JOUR
AU  - P. Andrews
TI  - A reduction of the axioms for the theory of prepositional types
JO  - Fundamenta Mathematicae
PY  - 1963
SP  - 345
EP  - 350
VL  - 52
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/fm-52-3-345-350/
DO  - 10.4064/fm-52-3-345-350
LA  - en
ID  - 10_4064_fm_52_3_345_350
ER  -