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In metaphysics, extension signifies both 'stretching out' (Latin: extensio) as well as later 'taking up space', and most recently, spreading one's internal mental cognition into the external world. The history of thinking about extension can be traced back at least to Archytas' spear analogy for the infinity of space. How far can one's hand or ...
philosophy. postmaterialism, value orientation that emphasizes self-expression and quality of life over economic and physical security. The term postmaterialism was first coined by American social scientist Ronald Inglehart in The Silent Revolution: Changing Values and Political Styles Among Western Publics (1977).
5 sty 2016 · This identification of body, extension, quantity, and divisibility is a crucial step in Descartes’ program to mathematize natural philosophy: “I recognize no matter in corporeal things apart from that which the geometers call quantity” (AT VIIIA 78, CSM I 247).
3 lut 2009 · Descartes states in the Principles of Philosophy that attributes are the essence of a thing, so the essence of mind is thought or thinking, and the essence of body is to be extended (Principles, I, §53, CSM, I, p. 210, AT 25).
6 lip 2006 · Contexts in which extension is all that matters are, naturally, called extensional, while contexts in which extension is not enough are intensional. Mathematics is typically extensional throughout—we happily write “\(1+4=2+3\)” even though the two terms involved may differ in meaning (more about this later).
In philosophical discussions, particularly in the context of naming and necessity, extension relates to the actual objects in the world that a term refers to, as opposed to its intension, which involves the meaning or concept associated with that term.
This chapter is the first of four that consider issues pertaining to the nature of extension. The focus here is on whether extension needs to be explained by a real accident—quantity—or whether extension may be an intrinsic feature of matter.
