Noun
(philosophy, uncountable) The study of the assumptions, foundations, and implications of science, including such questions as what distinguishes science from non-science, what are the aims of science, or what is a successful scientific explanation of a phenomenon.
(philosophy, countable) A particular theory within the former.
Source: en.wiktionary.orgI, New York: Oxford University Press 2013, ch. 1 (pp. 9–42) & ch. 2 (43–61) Philosophy of science Falsifiability/problem of demarcation Popper coined the term "critical rationalism" to describe his philosophy. Source: Internet
The paper started with his now renowned dictum "Philosophy of science without history of science is empty; history of science without philosophy of science is blind." Source: Internet