TY  - BOOK
AU  - Crawshay-Williams, Rupert
AU  - Crawshay-Williams,Rupert
TI  - Methods and Criteria of Reasoning:  an Inquiry into the Structure of Controv
U1  - 160 
PY  - 1957///
CY  - London
PB  - Routledge and Kegan Paul
KW  - Logic
N1  - includes index and biblioraphy; Index
ER  -