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] |
18170 | The Axiom of Reducibility is self-effacing: if true, it isn't needed [Quine] |
14742 | It can't be indeterminate whether x and y are identical; if x,y is indeterminate, then it isn't x,x [Salmon,N] |
16188 | Serious Actualism says there are no facts at all about something which doesn't exist [Simchen] |
18885 | Kripke and Putnam made false claims that direct reference implies essentialism [Salmon,N] |