Combining Texts

All the ideas for 'People and Their Bodies', 'Is Hume's Principle analytic?' and 'On the Syllogism IV'

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4 ideas

5. Theory of Logic / E. Structures of Logic / 6. Relations in Logic

17744

De Morgan started the study of relations and their properties [De Morgan, by Walicki]

13501

De Morgan found inferences involving relations, which eluded Aristotle's syllogistic [De Morgan, by Hart,WD]

9. Objects / E. Objects over Time / 5. Temporal Parts

16209

How can point-duration slices of people have beliefs or desires? [Thomson]

18. Thought / E. Abstraction / 7. Abstracta by Equivalence

8693	An 'abstraction principle' says two things are identical if they are 'equivalent' in some respect [Boolos]