The Philosophy of Karl Popper

Marxism and Freudianism are Not Science

The difficulties connected with my criterion of demarcation (D) are important, but must not be exaggerated. It is vague, since it is a methodological rule, and since the demarcation between science and nonscience is vague. But it is more than sharp enough to make a distinction between many physical theories on the one…

Jun 21, 2012 1

• non science
• provability
• science