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] |
17743 | De Morgan introduced a 'universe of discourse', to replace Boole's universe of 'all things' [De Morgan, by Walicki] |
16188 | Serious Actualism says there are no facts at all about something which doesn't exist [Simchen] |
3364 | All mental phenomena contain an object [Brentano] |
3225 | Mental unity suggests that qualia and intentionality must connect [Brentano, by Rey] |