Combining Texts

All the ideas for 'works', 'The Ego and Its Own' and 'Elements of Mathematical Logic'

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

---

3 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 / G. Quantification / 2. Domain of Quantification

17743

De Morgan introduced a 'universe of discourse', to replace Boole's universe of 'all things' [De Morgan, by Walicki]

23. Ethics / F. Existentialism / 6. Authentic Self

7073	I am a creative nothing, out of which I myself create everything [Stirner]