13 ideas
| 20350 | Metaphysics generalises the data, to get at the ontology [Richardson] |
| 20349 | Metaphysics aims at the essence of things, and a system to show how this explains other truths [Richardson] |
| 20351 | Metaphysics needs systems, because analysis just obsesses over details [Richardson] |
| 13831 | Logic is based on transitions between sentences [Prawitz] |
| 13827 | Logical consequence isn't a black box (Tarski's approach); we should explain how arguments work [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] |
| 13826 | Model theory looks at valid sentences and consequence, but not how we know these things [Prawitz] |
| 16669 | Everything that exists is either a being, or some mode of a being [Malebranche] |
| 20356 | Humans dominate because, unlike other animals, they have a synthesis of conflicting drives [Richardson] |
| 20366 | A mind that could see cause and effect as a continuum would deny cause and effect [Richardson] |
| 2594 | A true cause must involve a necessary connection between cause and effect [Malebranche] |
| 12726 | In a true cause we see a necessary connection [Malebranche] |