Abstract

In unpacking the nature of deception, we'll want to ask what conditions would need to be met in order rightly to conclude that an act of deception has taken place. The literary stories about Sherlock Holmes provide a large pool of examples of misdirection, whereby Holmes is able to stay one step ahead of his adversaries. These examples are used to show the inadequacy of a number of purported definitions of deception. I then settle on one definition that does seem adequate. One odd outcome of the discussion is that Holmes and his nemesis, Moriarty, actually do not engage in a contest of deception with one another.