Combining Philosophers

Ideas for Willard Quine, Robert B. Brandom and Frank P. Ramsey

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2 ideas

10. Modality / D. Knowledge of Modality / 3. A Posteriori Necessary
For Quine the only way to know a necessity is empirically [Quine, by Dancy,J]
     Full Idea: Quine argues that no necessity can be known other than empirically.
     From: report of Willard Quine (works [1961]) by Jonathan Dancy - Intro to Contemporary Epistemology 14.6
Quine's indispensability argument said arguments for abstracta were a posteriori [Quine, by Yablo]
     Full Idea: Fifty years ago, Quine convinced everyone who cared that the argument for abstract objects, if there were going to be one, would have to be a posteriori in nature; an argument that numbers, for example, are indispensable entities for 'total science'.
     From: report of Willard Quine (On What There Is [1948], §1) by Stephen Yablo - Apriority and Existence
     A reaction: This sets the scene for the modern debate on the a priori. The claim that abstractions are indispensable for a factual account of the physical world strikes me as highly implausible.