TY  - BOOK
AU  - Frye,Albert Myrton,1902-
AU  - Levi,Albert William,1911-
TI  - Rational belief
PY  - 1941///
CY  - New York
PB  - Harcourt Brace
KW  - Logic
N1  - 'Pretest in logic' (8 p.) laid in
ER  -