Combining Texts

Ideas for 'Parmenides', 'Reference and Generality (3rd ed)' and 'Grundgesetze der Arithmetik 2 (Basic Laws)'

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11 ideas

9. Objects / A. Existence of Objects / 6. Nihilism about Objects
8969 We should abandon absolute identity, confining it to within some category [Geach, by Hawthorne]
9. Objects / B. Unity of Objects / 1. Unifying an Object / b. Unifying aggregates
15851 Parts must belong to a created thing with a distinct form [Plato]
9. Objects / B. Unity of Objects / 3. Unity Problems / e. Vague objects
9891 The first demand of logic is of a sharp boundary [Frege]
9. Objects / C. Structure of Objects / 5. Composition of an Object
15846 In Parmenides, if composition is identity, a whole is nothing more than its parts [Plato, by Harte,V]
9. Objects / C. Structure of Objects / 8. Parts of Objects / a. Parts of objects
15849 Plato says only a one has parts, and a many does not [Plato, by Harte,V]
15850 Anything which has parts must be one thing, and parts are of a one, not of a many [Plato]
9. Objects / C. Structure of Objects / 8. Parts of Objects / c. Wholes from parts
13259 It seems that the One must be composed of parts, which contradicts its being one [Plato]
9. Objects / F. Identity among Objects / 3. Relative Identity
16075 Denial of absolute identity has drastic implications for logic, semantics and set theory [Wasserman on Geach]
12152 Identity is relative. One must not say things are 'the same', but 'the same A as' [Geach]
9. Objects / F. Identity among Objects / 6. Identity between Objects
15847 Two things relate either as same or different, or part of a whole, or the whole of the part [Plato]
9. Objects / F. Identity among Objects / 8. Leibniz's Law
16073 Leibniz's Law is incomplete, since it includes a non-relativized identity predicate [Geach, by Wasserman]