TY  - BOOK
AU  - Carnap, Rudolf
TI  - Meaning And Necessity: A Study in Semantics and Modal logic
U1  - 160  
PY  - 1947///
CY  - The University Of Chicago 
PB  - Chicago
KW  - තර්ක ශාස්ත්‍රය
KW  - Logic
ER  -