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Ideas for 'Logic (Port-Royal Art of Thinking)', 'Frege on Knowing the Foundations' and 'Truthmakers and Converse Barcan Formula'

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2 ideas

7. Existence / C. Structure of Existence / 7. Abstract/Concrete / b. Levels of abstraction

10502

We can rise by degrees through abstraction, with higher levels representing more things [Arnauld,A/Nicole,P]

7. Existence / D. Theories of Reality / 8. Facts / a. Facts

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If 'fact' is a noun, can we name the fact that dogs bark 'Mary'? [Williamson]