17th/18th Century Philosophy > 17th/18th Century British Philosophy > George Berkeley > Berkeley: Metaphysics > Berkeley: Immaterialism
Edited by Kenneth L Pearce (Valparaiso University)
|Summary||'Immaterialism' was Berkeley's name for his theory of the perceived world. This theory consists of the negative thesis that there are not, and could not be, material substances or substrata, and the positive thesis that the existence of bodies consists in their being perceived (as Berkeley says: their esse is percipi).|
|Key works||Major areas of dispute regarding Berkeley's immaterialism include the exact nature of the reduction of bodies to perceptions, and Berkeley's treatment of bodies unperceived by humans. On the first topic, Bennett 1971, sect. 29 defends a simple collection interpretation, which says that bodies are collections or sets of ideas. Atherton 2008 attributes to Berkeley a more sophisticated theory according to which an object is a structured collection of ideas. Winkler 1994, sect. 6.8, argues instead that Berkeley endorses a version of analytic phenomenalism, holding that claims about bodies are equivalent to certain subjunctive conditionals about human perceptions. On the second topic, it is widely recognized that Berkeley has two ways of talking about unperceived objects: he sometimes says that they exist because they would be perceived by humans under specified circumstances, and he sometimes says they exist because they are perceived by God. Bennett 1971, sect. 38, argues that Berkeley does not in fact believe objects unperceived by humans exist at all. Winkler 1994, ch. 7 argues that the two views are not contradictory, and Berkeley endorses both.|
|Introductions||Most introductory texts on Berkeley focus primarily on his immaterialism. Stoneham 2002 provides a sympathetic introduction, focused on the presentation in the Three Dialogues. Dicker 2011 provides a critical introduction with focus on the presentation in the Principles.|
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