 This, Mooney argues, shows why when counting objects, we should count by (absolute) identity, while when counting persons we should count by the relation same-person. In the Trinity, then, we count one thing but three Persons; the Persons are the same thing but different persons (9). The account also solves his “problem of Triunity” (2018), which is that as normally analyzed, these three statements can’t all be true, and yet arguably a trinitarian is committed to all three of them: