Combining Texts

Ideas for '(Nonsolipsistic) Conceptual Role Semantics', 'Logicism Revisited' and 'Sophistical Refutations'

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7 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

10061

The If-thenist view only seems to work for the axiomatised portions of mathematics [Musgrave]

10065

Perhaps If-thenism survives in mathematics if we stick to first-order logic [Musgrave]

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

16967

'Are Coriscus and Callias at home?' sounds like a single question, but it isn't [Aristotle]

12597

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

5. Theory of Logic / I. Semantics of Logic / 3. Logical Truth

10049

Logical truths may contain non-logical notions, as in 'all men are men' [Musgrave]

10050

A statement is logically true if it comes out true in all interpretations in all (non-empty) domains [Musgrave]