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Ideas for '', 'Criterion of Validity in Reasoning' and '(Nonsolipsistic) Conceptual Role Semantics'

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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]

11211

If a sound conclusion comes from two errors that cancel out, the path of the argument must matter [Rumfitt]

5. Theory of Logic / A. Overview of Logic / 3. Value of Logic

14780

Only study logic if you think your own reasoning is deficient [Peirce]

5. Theory of Logic / E. Structures of Logic / 2. Logical Connectives / a. Logical connectives

11210

Standardly 'and' and 'but' are held to have the same sense by having the same truth table [Rumfitt]

11212

The sense of a connective comes from primitively obvious rules of inference [Rumfitt]

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]