58吃瓜

Title: On Beall and Camrud’s defence of the combinatorial argument for FDE Abstract:聽In their 2020 paper “FDE all the way up”, Beall and Camrud aim to defend a particular combinatorial argument for the paraconsistent and paracomplete logic FDE against a natural objection. The argument, roughly, states that, since logic must consider all possibilities, it is…

Title:聽Impossible Worlds in Dynamic Epistemic Logic Abstract:聽Epistemic Logic, as a spinoff of normal modal logics, suffers from the problem of logical omniscience: its agents are perfect reasoners with unlimited deductive power. We argue that, even from a normative point of view, this modelling is inadequate for it sets requirements that cannot be actually attained according…

Title: Properties and Their Parts Abstract: I will present some very early ideas on a hyperintensional theory of properties that I am attempting to work out. I will begin my presentation by considering an unlikely area of inquiry: the mereology of material objects. I will offer a framework for thinking about two distinct types of…

Title:聽Worlds: Possible and Impossible Abstract: In this talk, I鈥檒l reflect on the role of worlds鈥攂oth possible worlds and impossible worlds鈥攂oth in the聽semantics of various kinds of languages and logics, and in broader issues in metaphysics. I will argue that, given very modest assumptions concerning the role of worlds in semantics, that any defender of possible…

Title: Composition as Identity defeats an Ethical Objection to Four-Dimensionalism Abstract: Johnston, Olson, and Taylor have argued against four-dimensionalism on the grounds that it commits us to the existence of personites, which are proper temporal parts of four-dimensional persons. They argue that the existence of personites makes many of our moral beliefs and practices untenable,…