TY  - JOUR
AU  - Church, Alonzo
TI  - Conditioned disjunction as a primitive connective for the propositional calculus
JO  - Portugaliae mathematica
PY  - 1948
SP  - 87
EP  - 90
VL  - 7
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/PORMA_1948__7_2_114661/
LA  - en
ID  - PORMA_1948__7_2_114661
ER  -