Combining Texts

All the ideas for '', 'works' and 'Survival and Identity, with postscript'

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7 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]
6. Mathematics / C. Sources of Mathematics / 6. Logicism / b. Type theory
6409 The 'simple theory of types' distinguishes levels among properties [Ramsey, by Grayling]
10. Modality / A. Necessity / 4. De re / De dicto modality
16079 De re modal predicates are ambiguous [Lewis, by Rudder Baker]
11. Knowledge Aims / A. Knowledge / 4. Belief / c. Aim of beliefs
3212 Beliefs are maps by which we steer [Ramsey]
19. Language / F. Communication / 3. Denial
11214 We learn 'not' along with affirmation, by learning to either affirm or deny a sentence [Rumfitt]