13 ideas
18261 | A simplification which is complete constitutes a definition [Kant] |
9193 | ZF set theory has variables which range over sets, 'equals' and 'member', and extensionality [Dummett] |
9194 | The main alternative to ZF is one which includes looser classes as well as sets [Dummett] |
22275 | Logic gives us the necessary rules which show us how we ought to think [Kant] |
9195 | Intuitionists reject excluded middle, not for a third value, but for possibility of proof [Dummett] |
9186 | First-order logic concerns objects; second-order adds properties, kinds, relations and functions [Dummett] |
9187 | Logical truths and inference are characterized either syntactically or semantically [Dummett] |
9191 | Ordinals seem more basic than cardinals, since we count objects in sequence [Dummett] |
9192 | The number 4 has different positions in the naturals and the wholes, with the same structure [Dummett] |
18260 | If we knew what we know, we would be astonished [Kant] |
19727 | Reliabilist knowledge is evidence based belief, with high conditional probability [Comesaņa] |
19725 | In a sceptical scenario belief formation is unreliable, so no beliefs at all are justified? [Comesaņa] |
19726 | How do we decide which exact process is the one that needs to be reliable? [Comesaņa] |