4 ideas
14286 | In nearby worlds where A is true, 'if A,B' is true or false if B is true or false [Stalnaker] |
12191 | Counterfactuals are true if logical or natural laws imply the consequence [Goodman, by McFetridge] |
14285 | A possible world is the ontological analogue of hypothetical beliefs [Stalnaker] |
5880 | Xenocrates held that the soul had no form or substance, but was number [Xenocrates, by Cicero] |