Combining Texts

All the ideas for 'Elements of Mathematical Logic', 'What is an Emotion?' and 'On the Syllogism IV'

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4 ideas

4. Formal Logic / E. Nonclassical Logics / 3. Many-Valued Logic

8942	Lukasiewicz's L3 logic has three truth-values, T, F and I (for 'indeterminate') [Lukasiewicz, by Fisher]

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 / A. Modes of Thought / 3. Emotions / a. Nature of emotions

23981

Rage is inconceivable without bodily responses; so there are no disembodied emotions [James]