Ernie Lepore is a Board of Governors Professor of Philosophy at Rutgers University. He is the author of numerous books and papers in the philosophy of language, philosophical logic, metaphysics, and philosophy of mind, including Imagination and Convention (OUP, 2015) and, with Herman Cappelen, Liberating Content (OUP, 2016). David Sosa is a Temple Professor in the Humanities and Professor of Philosophy at the University of Texas at Austin. His publications include Bad Words: Philosophical Perspectives on Slurs (OUP, 2018) and Philosophy of Language (6th ed., OUP, 2012), and he is Editor-in-Chief of the journal Analytic Philosophy.