Realism and the Aim of Science
is one of the three volumes of Karl Popper’s
Postscript
to the Logic of scientific Discovery. The
is the culmination of Popper’s work in the philosophy of physics and a new famous attack on subjectivist approaches to philosophy of science.
is the first volume of the
Postcript
. Popper here formulates and explains his non-justificationist theory of knowledge: science aims at true explanatory theories, yet it can never prove, or justify, any theory to be true, not even if is a true theory. Science must continue to question and criticise all its theories, even those that happen to be true.
presents Popper’s mature statement on scientific knowledge and offers important insights into his thinking on problems of method within science.