Combining Texts

All the ideas for 'works (all lost)', 'The Scientific Revolution 1500-1800' and 'Is Hume's Principle analytic?'

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2 ideas

18. Thought / E. Abstraction / 7. Abstracta by Equivalence
An 'abstraction principle' says two things are identical if they are 'equivalent' in some respect [Boolos]
26. Natural Theory / D. Laws of Nature / 11. Against Laws of Nature
The idea of laws of nature arose in the Middle Ages [Hall,AR, by Ellis]