18 ideas
10688 | 'Equivocation' is when terms do not mean the same thing in premises and conclusion [Beall/Restall] |
10690 | Formal logic is invariant under permutations, or devoid of content, or gives the norms for thought [Beall/Restall] |
10691 | Logical consequence needs either proofs, or absence of counterexamples [Beall/Restall] |
10695 | Logical consequence is either necessary truth preservation, or preservation based on interpretation [Beall/Restall] |
10689 | A step is a 'material consequence' if we need contents as well as form [Beall/Restall] |
10696 | A 'logical truth' (or 'tautology', or 'theorem') follows from empty premises [Beall/Restall] |
10693 | Models are mathematical structures which interpret the non-logical primitives [Beall/Restall] |
10692 | Hilbert proofs have simple rules and complex axioms, and natural deduction is the opposite [Beall/Restall] |
3978 | Associations are held to connect Ideas together in the way the world is connected together [Fodor] |
3976 | Intentional science needs objects with semantic and causal properties, and which obey laws [Fodor] |
3980 | Intentional states and processes may be causal relations among mental symbols [Fodor] |
3981 | Most psychological properties seem to be multiply realisable [Fodor] |
3975 | Folk psychology explains behaviour by reference to intentional states like belief and desire [Fodor] |
3982 | How could the extrinsic properties of thoughts supervene on their intrinsic properties? [Fodor] |
7751 | Meaning needs an intention to induce a belief, and a recognition that this is the speaker's intention [Grice] |
7752 | Only the utterer's primary intention is relevant to the meaning [Grice] |
7753 | We judge linguistic intentions rather as we judge non-linguistic intentions, so they are alike [Grice] |
3977 | Laws are true generalisations which support counterfactuals and are confirmed by instances [Fodor] |