4 ideas
17699 | Variables are auxiliary notions, and not part of the 'eternal' essence of logic [Schönfinkel] |
13095 | Essence is primitive force, or a law of change [Leibniz] |
19216 | Propositions (such as 'that dog is barking') only exist if their items exist [Williamson] |
2117 | The connection in events enables us to successfully predict the future, so there must be a constant cause [Leibniz] |