7 ideas
16186 | The Barcan Formulas express how to combine modal operators with classical quantifiers [Simchen] |
16187 | The Barcan Formulas are orthodox, but clash with the attractive Actualist view [Simchen] |
16190 | BF implies that if W possibly had a child, then something is possibly W's child [Simchen] |
16188 | Serious Actualism says there are no facts at all about something which doesn't exist [Simchen] |
17319 | There are 'conceptual' explanations, with their direction depending on complexity [Schnieder] |
22745 | Pherecydes said the first principle and element is earth [Pherecydes, by Sext.Empiricus] |
5883 | Pherecydes was the first to say that the soul is eternal [Pherecydes, by Cicero] |