Combining Texts

All the ideas for '', 'Problems in Personal Identity' and 'A Dictionary of Philosophy'

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8 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 / D. Assumptions for Logic / 4. Identity in Logic

3299	In logic identity involves reflexivity (x=x), symmetry (if x=y, then y=x) and transitivity (if x=y and y=z, then x=z) [Baillie]

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

11212

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

11210

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

12. Knowledge Sources / B. Perception / 4. Sense Data / a. Sense-data theory

6455	Maybe 'sense-data' just help us to talk about unusual perceptual situations [Lacey]

12. Knowledge Sources / B. Perception / 4. Sense Data / b. Nature of sense-data

6454	Where do sense-data begin or end? Can they change? What sort of thing are they? [Lacey]

6453	Some claim sense-data are public, and are parts of objects [Lacey]

19. Language / F. Communication / 3. Denial

11214

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