TY  - BOOK
AU  - Sanford,David H.
TI  - If P, then Q: conditionals and the foundations of reasoning 
T2  - The problems of philosophy
SN  - 0415079942
PY  - 1989///
CY  - London, New York
PB  - Routledge
KW  - Condizionale (Logica)
KW  - sbaa
N1  - Contiene indici e bibliografia
ER  -