Years ago, when I was young and reckless, I believed that there was such a thing as an allinclusive domain.1 Now I have come to see the error of my ways. The source of my mistake was a view that might be labeled ‘Tractarianism’. Tractarians believe that language is subject to a metaphysical constraint. In order for an atomic sentence to be true, there needs to be a certain kind of correspondence between the semantic structure of the sentence and the ‘metaphysical structure of reality’. More specifically, Tractarianism is the conjunction of the following three claims: