Combining Texts

All the ideas for 'works', 'Precepts for Advancing Science and Arts' and 'Elements of Mathematical Logic'

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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]

13. Knowledge Criteria / D. Scepticism / 6. Scepticism Critique

19392

I don't recommend universal doubt; we constantly seek reasons for things which are indubitable [Leibniz]

29. Religion / B. Monotheistic Religion / 4. Christianity / d. Heresy

16713

Philosophers are the forefathers of heretics [Tertullian]

29. Religion / D. Religious Issues / 1. Religious Commitment / e. Fideism

6610	I believe because it is absurd [Tertullian]