Combining Texts

Ideas for 'On the Question of Absolute Undecidability', 'Word and Object' and 'The Philosopher's Toolkit'

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8 ideas

9. Objects / A. Existence of Objects / 1. Physical Objects

7924	The notion of a physical object is by far the most useful one for science [Quine]

8464	Physical objects in space-time are just events or processes, no matter how disconnected [Quine]

9. Objects / D. Essence of Objects / 15. Against Essentialism

8482	Mathematicians must be rational but not two-legged, cyclists the opposite. So a mathematical cyclist? [Quine]

12136

Cyclist are not actually essentially two-legged [Brody on Quine]

9. Objects / F. Identity among Objects / 2. Defining Identity

17594

We can paraphrase 'x=y' as a sequence of the form 'if Fx then Fy' [Quine]

9. Objects / F. Identity among Objects / 3. Relative Identity

4640	If identity is based on 'true of X' instead of 'property of X' we get the Masked Man fallacy ('I know X but not Y') [Baggini /Fosl, by PG]

9. Objects / F. Identity among Objects / 4. Type Identity

4647	'I have the same car as you' is fine; 'I have the same fiancée as you' is not so good [Baggini /Fosl]

9. Objects / F. Identity among Objects / 7. Indiscernible Objects

4639	Leibniz's Law is about the properties of objects; the Identity of Indiscernibles is about perception of objects [Baggini /Fosl]