9 ideas
13831 | Logic is based on transitions between sentences [Prawitz] |
13825 | Natural deduction introduction rules may represent 'definitions' of logical connectives [Prawitz] |
13823 | In natural deduction, inferences are atomic steps involving just one logical constant [Prawitz] |
8978 | Events are made of other things, and are not fundamental to ontology [Bennett] |
9295 | Not only substances have attributes; events, actions, states and qualities can have them [Teichmann] |
9293 | Body-spirit interaction ought to result in losses and increases of energy in the material world [Teichmann] |
10364 | Facts are about the world, not in it, so they can't cause anything [Bennett] |
9292 | The Soul has no particular capacity (in the way thinking belongs to the mind) [Teichmann] |
9294 | No individuating marks distinguish between Souls [Teichmann] |