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] |
13007 | Archimedes defined a straight line as the shortest distance between two points [Archimedes, by Leibniz] |
4442 | Most thinkers now reject self-predication (whiteness is NOT white) so there is no Third Man problem [Armstrong] |
16188 | Serious Actualism says there are no facts at all about something which doesn't exist [Simchen] |