Combining Texts

All the ideas for 'What is an Idea?', 'On the Syllogism IV' and 'Self-Reliance'

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4 ideas

2. Reason / A. Nature of Reason / 9. Limits of Reason

6558	A foolish consistency is the hobgoblin of little minds [Emerson]

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]

18. Thought / C. Content / 2. Ideas

19423

By an 'idea' I mean not an actual thought, but the resources we can draw on to think [Leibniz]