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Ideas for 'fragments/reports', 'Abstract Objects' and 'Letters to Fichte'

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6 ideas

5. Theory of Logic / B. Logical Consequence / 5. Modus Ponens

8078	Modus ponens is one of five inference rules identified by the Stoics [Chrysippus, by Devlin]

5. Theory of Logic / D. Assumptions for Logic / 2. Excluded Middle

6023	Every proposition is either true or false [Chrysippus, by Cicero]

5. Theory of Logic / F. Referring in Logic / 1. Naming / d. Singular terms

10316

We should decide whether singular terms are genuine by their usage [Hale]

10312

Often the same singular term does not ensure reliable inference [Hale]

10313

Plenty of clear examples have singular terms with no ontological commitment [Hale]

10322

If singular terms can't be language-neutral, then we face a relativity about their objects [Hale]