“…Furthermore, he claims, scientists are interested in studying the unobservable, i.e., those entities that are not directly empirically assessed but that serve to better explain the observable phenomena, and, in doing so, they turn to forms of speculation and methods that are not proper of science but of metaphysics (Chakravartty 2010, 63). In a similar vein, Mumford and Tugby (2013) claim that metaphysics refers to the study of the fundamental aspects of reality, such as "kindhood, lawhood, causal power and causation" that make science possible insofar as they impose order on the world (Mumford and Tugby 2013).…”