Combining Texts

All the ideas for 'fragments/reports', 'Letters to Mersenne' and 'The Laws of Thought'

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9 ideas

1. Philosophy / G. Scientific Philosophy / 3. Scientism

3653	My Meditations are the complete foundation of my physics [Descartes]

3. Truth / A. Truth Problems / 2. Defining Truth

4736	Truth is such a transcendentally clear notion that it cannot be further defined [Descartes]

4. Formal Logic / B. Propositional Logic PL / 1. Propositional Logic

8083	Boole applied normal algebra to logic, aiming at an algebra of thought [Boole, by Devlin]

7727	Boole's notation can represent syllogisms and propositional arguments, but not both at once [Boole, by Weiner]

5. Theory of Logic / A. Overview of Logic / 2. History of Logic

8686	Boole made logic more mathematical, with algebra, quantifiers and probability [Boole, by Friend]

5. Theory of Logic / H. Proof Systems / 2. Axiomatic Proof

22277

Boole's method was axiomatic, achieving economy, plus multiple interpretations [Boole, by Potter]

9. Objects / E. Objects over Time / 8. Continuity of Rivers

579	Cratylus said you couldn't even step into the same river once [Cratylus, by Aristotle]

13. Knowledge Criteria / D. Scepticism / 1. Scepticism

578	Cratylus decided speech was hopeless, and his only expression was the movement of a finger [Cratylus, by Aristotle]

29. Religion / D. Religious Issues / 2. Immortality / b. Soul

3652	I can't prove the soul is indestructible, only that it is separate from the mortal body [Descartes]