Combining Texts

All the ideas for '', 'On the Concept of Number' and 'What Mary Didn't Know'

expand these ideas     |    start again     |     specify just one area for these texts


8 ideas

5. Theory of Logic / A. Overview of Logic / 1. Overview of Logic
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
Standardly 'and' and 'but' are held to have the same sense by having the same truth table [Rumfitt]
The sense of a connective comes from primitively obvious rules of inference [Rumfitt]
6. Mathematics / C. Sources of Mathematics / 7. Formalism
Hilbert said (to block paradoxes) that mathematical existence is entailed by consistency [Hilbert, by Potter]
15. Nature of Minds / B. Features of Minds / 5. Qualia / a. Nature of qualia
I say Mary does not have new knowledge, but knows an old fact in a new way [Perry on Jackson]
Is it unfair that physicalist knowledge can be written down, but dualist knowledge can't be [Perry on Jackson]
Mary knows all the physical facts of seeing red, but experiencing it is new knowledge [Jackson]
19. Language / F. Communication / 3. Denial
We learn 'not' along with affirmation, by learning to either affirm or deny a sentence [Rumfitt]