Combining Texts

All the ideas for '', 'The Logical Basis of Metaphysics' and 'Life of Theseus'

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6 ideas

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

11211

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

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 / c. not

18801

Classical negation is circular, if it relies on knowing negation-conditions from truth-conditions [Dummett]

9. Objects / E. Objects over Time / 9. Ship of Theseus

1212	Replacing timbers on Theseus' ship was the classic illustration of the problem of growth and change [Plutarch]

19. Language / F. Communication / 3. Denial

11214

We learn 'not' along with affirmation, by learning to either affirm or deny a sentence [Rumfitt]