Combining Texts

All the ideas for '', 'The Nature of Existence vol.1' and 'Letters to Bouvet'

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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]

9. Objects / B. Unity of Objects / 2. Substance / d. Substance defined

22628

Substance has to exist, with no intrinsic qualities or relations [McTaggart]

19. Language / F. Communication / 3. Denial

11214

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

23. Ethics / D. Deontological Ethics / 1. Deontology

19407

We want good education and sociability, rather than lots of moral precepts [Leibniz]