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Ideas for '(Nonsolipsistic) Conceptual Role Semantics', 'The Semantic Conception of Truth' and 'works'

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6 ideas

5. Theory of Logic / A. Overview of Logic / 1. Overview of Logic

12595

We have a theory of logic (implication and inconsistency), but not of inference or reasoning [Harman]

5. Theory of Logic / C. Ontology of Logic / 3. If-Thenism

21493

Pure mathematics deals only with hypotheses, of which the reality does not matter [Peirce]

5. Theory of Logic / D. Assumptions for Logic / 1. Bivalence

19102

Bivalence is a regulative assumption of enquiry - not a law of logic [Peirce, by Misak]

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

19192

The truth definition proves semantic contradiction and excluded middle laws (not the logic laws) [Tarski]

5. Theory of Logic / E. Structures of Logic / 2. Logical Connectives / d. and

12597

I might accept P and Q as likely, but reject P-and-Q as unlikely [Harman]

5. Theory of Logic / L. Paradox / 6. Paradoxes in Language / a. The Liar paradox

19187

The Liar makes us assert a false sentence, so it must be taken seriously [Tarski]