Constructive empiricism opposes scientific realism, logical positivism (or logical empiricism) and instrumentalism. Important positions characteristic of pragmatism include instrumentalism, radical empiricism, verificationism, conceptual relativity, and fallibilism. Popper contrasts instrumentalism with the above mentioned essentialism and his own "critical rationalism". Legal formalism can be contrasted to legal instrumentalism, a view associated with American legal realism. There are three rationales of internationalization&colon; "idealism, instrumentalism and educationalism". However he was also influenced by the modern philosophy existentialism and instrumentalism. The main alternative to scientific realism is instrumentalism. In particular, Fodor criticizes the instrumentalism of Daniel Dennett. Possible alternatives to induction are Duhem's instrumentalism and Popper's thesis that we learn from falsification. Popper alleged that instrumentalism reduces basic science to what is merely applied science. They are notable for bridging the gap between classical composition and contemporary instrumentalism. He is also known for his guitar work, multi instrumentalism and musical production. This view is also referred to as technological instrumentalism. Instrumentalism is a variety of scientific anti-realism. Instrumentalism is an explanation of ethnic violence and ethnic conflict.