9 ideas
13342 | Carnap defined consequence by contradiction, but this is unintuitive and changes with substitution [Tarski on Carnap] |
13251 | Each person is free to build their own logic, just by specifying a syntax [Carnap] |
18935 | Semantic theory should specify when an act of naming is successful [Sawyer] |
18945 | Millians say a name just means its object [Sawyer] |
18934 | Sentences with empty names can be understood, be co-referential, and even be true [Sawyer] |
18938 | Frege's compositional account of truth-vaues makes 'Pegasus doesn't exist' neither true nor false [Sawyer] |
18947 | Definites descriptions don't solve the empty names problem, because the properties may not exist [Sawyer] |
7861 | Libet says the processes initiated in the cortex can still be consciously changed [Libet, by Papineau] |
6660 | Libet found conscious choice 0.2 secs before movement, well after unconscious 'readiness potential' [Libet, by Lowe] |