TY  - BOOK
AU  - Cohen,Morris Raphael
AU  - Nagel,Ernest
TI  - An introduction to logic and scientific method
SN  - 0710011979
PY  - 1963///
CY  - London
PB  - Routledge & Kegan Paul
KW  - Logic
KW  - Methodology
N1  - Also published: New York : Harcourt, Brace, 1934; Includes exercises; Includes bibliogr. footnotes and index
ER  -