 The word “fact” is used in at least two different ways. In the locution “matters of fact”, facts are taken to be what is contingently the case, or that of which we may have empirical or a posteriori knowledge. Thus Hume famously writes at the beginning of Section IV of An Enquiry concerning Human Understanding: “All the objects of human reason or inquiry may naturally be divided into two kinds, to wit, Relations of Ideas and Matters of Fact”. The word is also used in locutions such as