Carnap-Foundations of Logic and Mathematics Foundations of the Unity of Science,Vol_1_No_3_(eighth_impression_1957,_foundation_of_unity_of_science)-University_of_Chicago_Press(1957).pdf 2.6 MB
Carnap-Testability and Meaning(1936-37).pdf 2.6 MB
The Scientific Conception of the World_the vienna circle.pdf 2.4 MB
Carnap-Introduction to Symbolic Logic and its applications(1958).djvu 2.2 MB
Carnap-Philosophy and Logical Syntax (1935).pdf 2.0 MB