Combining Texts

All the ideas for 'fragments/reports', 'Letter to G.H. Schaller' and 'The Laws of Thought'

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6 ideas

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]

16. Persons / F. Free Will / 5. Against Free Will

4871	A thing is free if it acts only by the necessity of its own nature [Spinoza]

23. Ethics / C. Virtue Theory / 1. Virtue Theory / a. Nature of virtue

467	A virtue is a combination of intelligence, strength and luck [Ion]