Within the nice, sharp and narrow quillets of the law in Temple Hall where the lawyers' argument had been loud and long over a pedigree question between Somerset and Plantagenet, as within academic bowers, within the broad and rigorous questions of philosophy and jurisprudence, there is opportunity for the application and operation of “Ramsey's Maxim”. This maxim claims that where there is a prolonged and persistent dispute between two persons, it is often the case that the disputants, while they are at odds about the conclusions and arguments derived from or urged in support of premises, are really in agreement about an assumption, hypothesis, premise, fundamental to their argument, which is false. They share a common but false premise.