Ideas of Augustus De Morgan, by Theme
[British, 1806 - 1871, Professor at King's College, London.]
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5. Theory of Logic / E. Structures of Logic / 6. Relations in Logic
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De Morgan started the study of relations and their properties [Walicki]
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De Morgan found inferences involving relations, which eluded Aristotle's syllogistic [Hart,WD]
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5. Theory of Logic / G. Quantification / 2. Domain of Quantification
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De Morgan introduced a 'universe of discourse', to replace Boole's universe of 'all things' [Walicki]
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