TY  - BOOK
AU  - Łukasiewicz,Jan
TI  - Aristotle’s syllogistic : : from the standpoint of modern formal logic /  
AV  - B491.L8  L85 1957
PY  - 1957///
CY  - Oxford: 
PB  - Clarendon Press,  
KW  - Lógica
KW  - Silogismo
ER  -