Combining Philosophers

Ideas for Hermarchus, Alcmaeon and Michael Dummett

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14 ideas

9. Objects / A. Existence of Objects / 1. Physical Objects
10541 Concrete objects such as sounds and smells may not be possible objects of ostension [Dummett]
9. Objects / A. Existence of Objects / 2. Abstract Objects / a. Nature of abstracta
10545 Abstract objects may not cause changes, but they can be the subject of change [Dummett]
9885 The existence of abstract objects is a pseudo-problem [Dummett]
9. Objects / A. Existence of Objects / 2. Abstract Objects / b. Need for abstracta
10555 If we can intuitively apprehend abstract objects, this makes them observable and causally active [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]
10543 Abstract objects must have names that fall within the range of some functional expression [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
10320 If a genuine singular term needs a criterion of identity, we must exclude abstract nouns [Dummett, by Hale]
10547 Abstract objects can never be confronted, and need verbal phrases for reference [Dummett]
9872 Abstract objects need the context principle, since they can't be encountered directly [Dummett]
9. Objects / A. Existence of Objects / 3. Objects in Thought
10531 There is a modern philosophical notion of 'object', first introduced by Frege [Dummett]
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]