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All the ideas for 'Substances without Substrata', 'The Problem of Natural Laws' and 'How to Define Theoretical Terms'

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8 ideas

2. Reason / D. Definition / 2. Aims of Definition
15527 Defining terms either enables elimination, or shows that they don't require elimination [Lewis]
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]
14. Science / B. Scientific Theories / 8. Ramsey Sentences
15531 The Ramsey sentence of a theory says that it has at least one realisation [Lewis]
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]
19. Language / F. Communication / 6. Interpreting Language / c. Principle of charity
6316 We translate in a way that makes the largest possible number of statements true [Wilson,NL]
26. Natural Theory / D. Laws of Nature / 3. Laws and Generalities
4800 Natural laws result from eliminative induction, where enumerative induction gives generalisations [Cohen,LJ, by Psillos]