6 ideas
17750 | The first clear proof of the consistency of the first order predicate logic was in 1928 [Hilbert/Ackermann, by Walicki] |
22040 | Freedom is produced by the activity of the mind, and is not intrinsically given [Hegel] |
22039 | Geist is distinct from nature, not as a substance, but because of its normativity [Hegel, by Pinkard] |
14802 | Physical and psychical laws of mind are either independent, or derived in one or other direction [Peirce] |
14800 | The world is full of variety, but laws seem to produce uniformity [Peirce] |
14801 | Darwinian evolution is chance, with the destruction of bad results [Peirce] |