Combining Texts

All the ideas for 'Counterpart theory and Quant. Modal Logic', 'What Mary Didn't Know' and 'What is the Basis of Moral Obligation?'

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14 ideas

1. Philosophy / D. Nature of Philosophy / 5. Aims of Philosophy / d. Philosophy as puzzles
In philosophy the truth can only be reached via the ruins of the false [Prichard]
9. Objects / D. Essence of Objects / 1. Essences of Objects
Aristotelian essentialism says essences are not relative to specification [Lewis]
10. Modality / A. Necessity / 7. Natural Necessity
Causal necessities hold in all worlds compatible with the laws of nature [Lewis]
10. Modality / E. Possible worlds / 3. Transworld Objects / b. Rigid designation
It doesn't take the whole of a possible Humphrey to win the election [Lewis]
10. Modality / E. Possible worlds / 3. Transworld Objects / c. Counterparts
Counterpart theory is bizarre, as no one cares what happens to a mere counterpart [Kripke on Lewis]
Counterparts are not the original thing, but resemble it more than other things do [Lewis]
If the closest resembler to you is in fact quite unlike you, then you have no counterpart [Lewis]
Essential attributes are those shared with all the counterparts [Lewis]
15. Nature of Minds / B. Features of Minds / 5. Qualia / a. Nature of qualia
I say Mary does not have new knowledge, but knows an old fact in a new way [Perry on Jackson]
Is it unfair that physicalist knowledge can be written down, but dualist knowledge can't be [Perry on Jackson]
Mary knows all the physical facts of seeing red, but experiencing it is new knowledge [Jackson]
23. Ethics / C. Virtue Theory / 1. Virtue Theory / c. Particularism
I see the need to pay a debt in a particular instance, and any instance will do [Prichard]
The complexities of life make it almost impossible to assess morality from a universal viewpoint [Prichard]
23. Ethics / D. Deontological Ethics / 2. Duty
Seeing the goodness of an effect creates the duty to produce it, not the desire [Prichard]