6 ideas
6007 | If you know your father, but don't recognise your father veiled, you know and don't know the same person [Eubulides, by Dancy,R] |
6006 | If you say truly that you are lying, you are lying [Eubulides, by Dancy,R] |
6008 | Removing one grain doesn't destroy a heap, so a heap can't be destroyed [Eubulides, by Dancy,R] |
20660 | At one level maths and nature are very similar, suggesting some deeper origin [Wolfram] |
14367 | An explanation is a causal graph [Woodward,J, by Strevens] |
20659 | Space and its contents seem to be one stuff - so space is the only existing thing [Wolfram] |