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] |
16674 | The quantity is just the matter, in that it has extended parts and is diffuse [Charleton] |
16188 | Serious Actualism says there are no facts at all about something which doesn't exist [Simchen] |
9155 | An a priori proof is independent of experience [Leibniz] |