What is "critical rationalism"

n. (context philosophy English) The proposition that scientific theory, and any other claims to knowledge, can and should be rationally criticized, and, if they have empirical content, can and should be subjected to tests which may falsify them.

Critical rationalism is an epistemological philosophy advanced by Karl Popper. Popper wrote about critical rationalism in his works: The Open Society and its Enemies, Conjectures and Refutations, The Myth of the Framework, and Unended Quest.