Skip to content

Modal Idealism

David Builes

Oxford Studies in Philosophy of Mind October 23, 2024 DOI: 10.1093/9780198924159.003.0002 (opens in new tab)

Study at a glance

AI-extracted from the abstract
Characteristics Theoretical or philosophical paper Peer reviewed
Key points Argues that Modal Idealism—the thesis that Idealism is metaphysically necessary—is supported by four arguments: it avoids implausible brute necessities, follows from the Eleatic Principle, secures knowledge of conscious states against debunking arguments, and advances several perennial metaphysical debates.

Abstract

Abstract According to Idealism, every fundamental entity is conscious, and moreover every fundamental property is a phenomenal property. The goal of this chapter is to defend “Modal Idealism,” which is the thesis that Idealism is metaphysically necessary. In particular, I give four different arguments for Modal Idealism. First, I argue that, if at least some possible fundamental properties are phenomenal properties, then the denial of Modal Idealism leads to implausible brute necessities. Second, I argue that those who endorse the Eleatic Principle, according to which it is necessary that all concrete objects have causal powers, should endorse Modal Idealism. Third, I argue that Modal Idealism helps us secure our knowledge of our own conscious states in the face of influential “debunking” arguments. Fourth, I argue that Modal Idealism is theoretically fruitful: it allows us to make substantial progress on several perennial metaphysical debates beyond the philosophy of mind.