Combining Texts

All the ideas for 'The Sign of Four', 'Elements of Mathematical Logic' and 'On Duties ('De Officiis')'

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

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5 ideas

1. Philosophy / A. Wisdom / 1. Nature of Wisdom

21405

Cicero sees wisdom in terms of knowledge, but earlier Stoics saw it as moral [Cicero, by Long]

1. Philosophy / A. Wisdom / 2. Wise People

20871

Unfortunately we choose a way of life before we are old enough to think clearly [Cicero]

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]

14. Science / C. Induction / 1. Induction

22200

If you eliminate the impossible, the truth will remain, even if it is weird [Conan Doyle]

23. Ethics / D. Deontological Ethics / 3. Universalisability

6031	The essence of propriety is consistency [Cicero]