Combining Texts

All the ideas for 'Counterpart theory and Quant. Modal Logic', 'A Short History of German Philosophy' and 'On the Syllogism IV'

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11 ideas

1. Philosophy / E. Nature of Metaphysics / 3. Metaphysical Systems
Early Romantics sought a plurality of systems, in a quest for freedom [Hösle]
5. Theory of Logic / E. Structures of Logic / 6. Relations in Logic
De Morgan started the study of relations and their properties [De Morgan, by Walicki]
De Morgan found inferences involving relations, which eluded Aristotle's syllogistic [De Morgan, by Hart,WD]
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]
25. Social Practice / E. Policies / 5. Education / d. Study of history
In the 18th century history came to be seen as progressive, rather than cyclical [Hösle]