12 ideas
| 21054 | Reason enables the unbounded extension of our rules and intentions [Kant] |
| 17884 | Mathematical set theory has many plausible stopping points, such as finitism, and predicativism [Koellner] |
| 17893 | 'Reflection principles' say the whole truth about sets can't be captured [Koellner] |
| 10009 | Substitutional quantification is just a variant of Tarski's account [Wallace, by Baldwin] |
| 17894 | We have no argument to show a statement is absolutely undecidable [Koellner] |
| 17890 | There are at least eleven types of large cardinal, of increasing logical strength [Koellner] |
| 17887 | PA is consistent as far as we can accept, and we expand axioms to overcome limitations [Koellner] |
| 17891 | Arithmetical undecidability is always settled at the next stage up [Koellner] |
| 21053 | The manifest will in the world of phenomena has to conform to the laws of nature [Kant] |
| 21055 | Our aim is a constitution which combines maximum freedom with strong restraint [Kant] |
| 21056 | The vitality of business needs maximum freedom (while avoiding harm to others) [Kant] |
| 21057 | The highest ideal of social progress is a universal cosmopolitan existence [Kant] |