“…Indeed, on some theories of progress mentioned below, false answers may contribute significantly to progress (see, e.g., footnote 19).6 The most notable exception is Cappelen (2017), which we discuss below. To be sure, there is a substantial literature about various epistemic implications of philosophical disagreement, such as whether it undermines knowledge, rational belief, assertability, or publishability of philosophical views(Goldberg, 2013a, Kelly, 2016, Barnett, 2019, Plakias, 2019, Fleisher, 2020. While we draw on this literature below, it will become clear that the epistemic implications of philosophical disagreements do not, without substantive further assumptions, imply anything about how much progress has been made in philosophy.…”