  After Christmas, Moore is more skeptical. While the theory of propositions is admittedly simple and natural (p. 286), there are good reasons to reject it. He specifies two problems, both having to do with facts, a topic he avoided in his earlier lectures. The first is that the theory of propositions suggests the “primitivist” theory of truth, previously held by Moore and also Russell, according to which truth is a simple unanalyzable property of propositions. Primitivism, Moore now claims, requires the claim that facts consist in the possession by a proposition of the simple property of truth. This Moore now finds unacceptable. The second problem is simply that the theory seems intuitively false: