Disunity of Science (Stanford School), a philosophy-of-science position.
“Disunity appears characterized by three pluralistic theses: against essentialism, there is always a plurality of classifications of reality into kinds; against reductionism, there exists equal reality and causal efficacy of systems at different levels of description, that is, the microlevel is not causally complete, leaving room for downward causation; and against epistemological monism, there is no single methodology that supports a single criterion of scientificity, nor a universal domain of its applicability, only a plurality of epistemic and non-epistemic virtues. The unitary concept of science should be understood, following the later Wittgenstein, as a family-resemblance concept”