Combining Texts

All the ideas for 'Locke on Essences and Kinds', 'Philosophical Naturalism' and 'Could There Be Unicorns?'

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21 ideas

4. Formal Logic / D. Modal Logic ML / 1. Modal Logic
16951 It was realised that possible worlds covered all modal logics, if they had a structure [Dummett]
4. Formal Logic / D. Modal Logic ML / 3. Modal Logic Systems / a. Systems of modal logic
16952 If something is only possible relative to another possibility, the possibility relation is not transitive [Dummett]
16953 Relative possibility one way may be impossible coming back, so it isn't symmetrical [Dummett]
4. Formal Logic / D. Modal Logic ML / 3. Modal Logic Systems / d. System T
16960 If possibilitiy is relative, that might make accessibility non-transitive, and T the correct system [Dummett]
4. Formal Logic / D. Modal Logic ML / 3. Modal Logic Systems / g. System S4
16958 In S4 the actual world has a special place [Dummett]
7. Existence / D. Theories of Reality / 5. Naturalism
3509 Externalism may be the key idea in philosophical naturalism [Papineau]
9. Objects / D. Essence of Objects / 13. Nominal Essence
15642 If kinds depend only on what can be observed, many underlying essences might produce the same kind [Eagle]
15645 Nominal essence are the observable properties of things [Eagle]
15643 Nominal essence mistakenly gives equal weight to all underlying properties that produce appearances [Eagle]
10. Modality / E. Possible worlds / 1. Possible Worlds / a. Possible worlds
16957 Possible worlds aren't how the world might be, but how a world might be, given some possibility [Dummett]
10. Modality / E. Possible worlds / 1. Possible Worlds / c. Possible worlds realism
16959 If possible worlds have no structure (S5) they are equal, and it is hard to deny them reality [Dummett]
17. Mind and Body / A. Mind-Body Dualism / 8. Dualism of Mind Critique
3513 How does a dualist mind represent, exist outside space, and be transparent to itself? [Papineau]
17. Mind and Body / C. Functionalism / 8. Functionalism critique
3514 Functionalism needs causation and intentionality to explain actions [Papineau]
17. Mind and Body / D. Property Dualism / 5. Supervenience of mind
3510 Epiphenomenalism is supervenience without physicalism [Papineau]
3511 Supervenience requires all mental events to have physical effects [Papineau]
17. Mind and Body / E. Mind as Physical / 1. Physical Mind
3515 Knowing what it is like to be something only involves being (physically) that thing [Papineau]
17. Mind and Body / E. Mind as Physical / 7. Anti-Physicalism / b. Multiple realisability
3512 If a mental state is multiply realisable, why does it lead to similar behaviour? [Papineau]
19. Language / F. Communication / 4. Private Language
3516 The Private Language argument only means people may misjudge their experiences [Papineau]
23. Ethics / C. Virtue Theory / 1. Virtue Theory / d. Virtue theory critique
16956 To explain generosity in a person, you must understand a generous action [Dummett]
26. Natural Theory / B. Natural Kinds / 4. Source of Kinds
15641 Kinds are fixed by the essential properties of things - the properties that make it that kind of thing [Eagle]
26. Natural Theory / B. Natural Kinds / 7. Critique of Kinds
16954 Generalised talk of 'natural kinds' is unfortunate, as they vary too much [Dummett]