Russell, Gillian2025-05-312025-05-310022-3611Bibtex:e5bf404eda154b49ad40f5bdab1018a9ORCID:/0000-0001-6423-0655/work/171157590https://hdl.handle.net/1885/733755740This paper proves a precisification of Hume’s Law—the thesis that one cannot get an ought from an is—as an instance of a more general theorem which establishes several other philosophically interesting, though less controversial, barriers to logical consequence.enHume’s LawBarriers to entailmentPhilosophical logicInvalidityLogical consequenceHow to prove Hume’s Law2021-11-2410.1007/s10992-021-09643-385119861880