39 ideas
13838 | A decent modern definition should always imply a semantics [Hacking] |
13833 | 'Thinning' ('dilution') is the key difference between deduction (which allows it) and induction [Hacking] |
13834 | Gentzen's Cut Rule (or transitivity of deduction) is 'If A |- B and B |- C, then A |- C' [Hacking] |
13835 | Only Cut reduces complexity, so logic is constructive without it, and it can be dispensed with [Hacking] |
13845 | The various logics are abstractions made from terms like 'if...then' in English [Hacking] |
13840 | First-order logic is the strongest complete compact theory with Löwenheim-Skolem [Hacking] |
13844 | A limitation of first-order logic is that it cannot handle branching quantifiers [Hacking] |
13842 | Second-order completeness seems to need intensional entities and possible worlds [Hacking] |
13837 | With a pure notion of truth and consequence, the meanings of connectives are fixed syntactically [Hacking] |
13839 | Perhaps variables could be dispensed with, by arrows joining places in the scope of quantifiers [Hacking] |
3005 | 'Jocasta' needs to be distinguished from 'Oedipus's mother' because they are connected by different properties [Fodor] |
13843 | If it is a logic, the Löwenheim-Skolem theorem holds for it [Hacking] |
7014 | A particle and a coin heads-or-tails pick out to perfectly well-defined predicates and properties [Fodor] |
3008 | Evolution suggests that innate knowledge of human psychology would be beneficial [Fodor] |
2990 | Contrary to commonsense, most of what is in the mind seems to be unlearned [Fodor] |
3009 | Sticklebacks have an innate idea that red things are rivals [Fodor] |
2994 | In CRTT thought may be represented, content must be [Fodor] |
15494 | We can't use propositions to explain intentional attitudes, because they would need explaining [Fodor] |
7326 | Intentionality doesn't go deep enough to appear on the physicists' ultimate list of things [Fodor] |
3001 | Behaviourism has no theory of mental causation [Fodor] |
2993 | Any piece of software can always be hard-wired [Fodor] |
3011 | Causal powers must be a crucial feature of mental states [Fodor] |
5498 | Mind is a set of hierarchical 'homunculi', which are made up in turn from subcomponents [Fodor, by Lycan] |
2995 | Supervenience gives good support for mental causation [Fodor] |
2991 | Hume's associationism offers no explanation at all of rational thought [Fodor] |
3002 | If mind is just physical, how can it follow the rules required for intelligent thought? [Fodor] |
2992 | We may be able to explain rationality mechanically [Fodor] |
2988 | Folk psychology is the only explanation of behaviour we have [Fodor] |
3010 | Belief and desire are structured states, which need mentalese [Fodor] |
2999 | Obsession with narrow content leads to various sorts of hopeless anti-realism [Fodor] |
3012 | Do identical thoughts have identical causal roles? [Fodor] |
2998 | Grice thinks meaning is inherited from the propositional attitudes which sentences express [Fodor] |
3006 | Whatever in the mind delivers falsehood is parasitic on what delivers truth [Fodor] |
3007 | Many different verification procedures can reach 'star', but it only has one semantic value [Fodor] |
3004 | The meaning of a sentence derives from its use in expressing an attitude [Fodor] |
3000 | Meaning holism is a crazy doctrine [Fodor] |
3003 | Very different mental states can share their contents, so content doesn't seem to be constructed from functional role [Fodor] |
2996 | Mental states may have the same content but different extensions [Fodor] |
468 | Musical performance can reveal a range of virtues [Damon of Ath.] |