4 ideas
16974 | The nature of each logical concept is given by a collection of inference rules [Correia] |
18431 | Internal relations combine some tropes into a nucleus, which bears the non-essential tropes [Simons, by Edwards] |
16973 | Explain logical necessity by logical consequence, or the other way around? [Correia] |
19384 | Space and time are the order of all possibilities, and don't just relate to what is actual [Leibniz] |