4 ideas
20660 | At one level maths and nature are very similar, suggesting some deeper origin [Wolfram] |
13083 | The essence is the necessary properties, and the concept includes what is contingent [Leibniz] |
4577 | There is no necessity higher than natural necessity, and that is just regularity [Quine] |
20659 | Space and its contents seem to be one stuff - so space is the only existing thing [Wolfram] |