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All the ideas for 'Letters to Edward Stillingfleet', 'Aristotle's Theory of Substance' and 'How to Define Theoretical Terms'

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11 ideas

2. Reason / D. Definition / 2. Aims of Definition
15527 Defining terms either enables elimination, or shows that they don't require elimination [Lewis]
8. Modes of Existence / B. Properties / 3. Types of Properties
12354 A 'categorial' property is had by virtue of being or having an item from a category [Wedin]
9. Objects / B. Unity of Objects / 2. Substance / d. Substance defined
12358 Substance is a principle and a kind of cause [Wedin]
9. Objects / C. Structure of Objects / 2. Hylomorphism / a. Hylomorphism
12346 Form explains why some matter is of a certain kind, and that is explanatory bedrock [Wedin]
9. Objects / D. Essence of Objects / 3. Individual Essences
15990 Every individual thing which exists has an essence, which is its internal constitution [Locke]
10. Modality / E. Possible worlds / 3. Transworld Objects / b. Rigid designation
15530 A logically determinate name names the same thing in every possible world [Lewis]
11. Knowledge Aims / B. Certain Knowledge / 1. Certainty
15994 If it is knowledge, it is certain; if it isn't certain, it isn't knowledge [Locke]
14. Science / B. Scientific Theories / 8. Ramsey Sentences
15528 A Ramsey sentence just asserts that a theory can be realised, without saying by what [Lewis]
15526 There is a method for defining new scientific terms just using the terms we already understand [Lewis]
15529 It is better to have one realisation of a theory than many - but it may not always be possible [Lewis]
15531 The Ramsey sentence of a theory says that it has at least one realisation [Lewis]