TY  - BOOK
AU  - Carnap Roudolf
TI  - Foundations of logic and mathematics
U1  - 503 
PY  - 1939///
CY  - Chicago
PB  - Univ. Press
KW  - Logic
KW  - Mathematics
KW  - Science
N1  - f the unity of science; vol 1, no 3
ER  -