5 ideas
18009 | Chomsky established the view that category mistakes are well-formed but meaningless [Chomsky, by Magidor] |
9565 | Zermelo made 'set' and 'member' undefined axioms [Zermelo, by Chihara] |
3339 | For Zermelo's set theory the empty set is zero and the successor of each number is its unit set [Zermelo, by Blackburn] |
18007 | Syntax is independent of semantics; sentences can be well formed but meaningless [Chomsky, by Magidor] |
12709 | Motion is not absolute, but consists in relation [Leibniz] |