Combining Texts

Ideas for 'Frege philosophy of mathematics', 'Human, All Too Human' and 'The Philosophy of Nature: new essentialism'

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12 ideas

9. Objects / A. Existence of Objects / 2. Abstract Objects / a. Nature of abstracta

9885	The existence of abstract objects is a pseudo-problem [Dummett]

9. Objects / A. Existence of Objects / 2. Abstract Objects / c. Modern abstracta

9858	Abstract objects nowadays are those which are objective but not actual [Dummett]

9859	It is absurd to deny the Equator, on the grounds that it lacks causal powers [Dummett]

9860	'We've crossed the Equator' has truth-conditions, so accept the Equator - and it's an object [Dummett]

9. Objects / A. Existence of Objects / 2. Abstract Objects / d. Problems with abstracta

9872	Abstract objects need the context principle, since they can't be encountered directly [Dummett]

9. Objects / D. Essence of Objects / 1. Essences of Objects

5443	Kripke and others have made essentialism once again respectable [Ellis]

9. Objects / D. Essence of Objects / 2. Types of Essence

5444	'Individual essences' fix a particular individual, and 'kind essences' fix the kind it belongs to [Ellis]

9. Objects / D. Essence of Objects / 9. Essence and Properties

5462	Essential properties are usually quantitatively determinate [Ellis]

9. Objects / D. Essence of Objects / 13. Nominal Essence

5448	'Real essence' makes it what it is; 'nominal essence' makes us categorise it a certain way [Ellis]

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

9848	Content is replaceable if identical, so replaceability can't define identity [Dummett, by Dummett]

9842	Frege introduced criteria for identity, but thought defining identity was circular [Dummett]

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

5477	One thing can look like something else, without being the something else [Ellis]