17 ideas
23326 | In the third century Stoicism died out, replaced by Platonism, with Aristotelian ethics [Frede,M] |
23335 | In late antiquity nearly all philosophers were monotheists [Frede,M] |
16137 | Earlier views of Aristotle were dominated by 'Categories' [Frede,M] |
23249 | The early philosophers thought that reason has its own needs and desires [Frede,M] |
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] |
21554 | Sets always exceed terms, so all the sets must exceed all the sets [Lackey] |
21553 | It seems that the ordinal number of all the ordinals must be bigger than itself [Lackey] |
16157 | Insurance on the original ship would hardly be paid out if the plank version was wrecked! [Frede,M] |
23333 | The idea of free will achieved universal acceptance because of Christianity [Frede,M] |
23334 | For Christians man has free will by creation in God's image (as in Genesis) [Frede,M] |
23337 | The Stoics needed free will, to allow human choices in a divinely providential cosmos [Frede,M] |
23336 | There is no will for Plato or Aristotle, because actions come directly from perception of what is good [Frede,M] |
23313 | The Gnostic demiurge (creator) is deluded, and doesn't care about us [Frede,M] |