6 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] |
9463 | Classical logic is bivalent, has excluded middle, and only quantifies over existent objects [Jacquette] |
16188 | Serious Actualism says there are no facts at all about something which doesn't exist [Simchen] |
5655 | Happiness is not satisfaction of desires, but fulfilment of values [Bradley, by Scruton] |