Combining Texts

All the ideas for 'reports', 'Letters to Wolff' and 'Symbolic Reasoning'

expand these ideas     |    start again     |     specify just one area for these texts

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3 ideas

4. Formal Logic / F. Set Theory ST / 3. Types of Set / b. Empty (Null) Set

21548

The null class is the class with all the non-existents as its members [MacColl, by Lackey]

9. Objects / D. Essence of Objects / 9. Essence and Properties

13191

The properties of a thing flow from its essence [Leibniz]

25. Social Practice / D. Justice / 3. Punishment / c. Deterrence of crime

1743	The greatest deterrence for injustice is if uninjured parties feel as much indignation as those who are injured [Solon, by Diog. Laertius]