15 ideas
| 9540 | A 'value-assignment' (V) is when to each variable in the set V assigns either the value 1 or the value 0 [Hughes/Cresswell] |
| 9541 | The Law of Transposition says (P→Q) → (¬Q→¬P) [Hughes/Cresswell] |
| 9543 | The rules preserve validity from the axioms, so no thesis negates any other thesis [Hughes/Cresswell] |
| 9544 | A system is 'weakly' complete if all wffs are derivable, and 'strongly' if theses are maximised [Hughes/Cresswell] |
| 2986 | Belief is the most important propositional attitude [Lyons] |
| 2978 | Consciousness no longer seems essential to intentionality [Lyons] |
| 2984 | Perceptions could give us information without symbolic representation [Lyons] |
| 2979 | Propositional attitudes require representation [Lyons] |
| 2987 | Folk psychology works badly for alien cultures [Lyons] |
| 2977 | All thinking has content [Lyons] |
| 21733 | The right-wing conception of freedom is based on the idea of self-ownership [Cohen,GA] |
| 21739 | Plenty of people have self-ownership, but still lack autonomy [Cohen,GA] |
| 21736 | It is doubtful whether any private property was originally acquired legitimately [Cohen,GA] |
| 21734 | It is plausible that no one has an initial right to own land and natural resources [Cohen,GA] |
| 21735 | Every thing which is now private started out as unowned [Cohen,GA] |