Combining Texts

All the ideas for 'The Laws of Thought', 'Unity of Science as a Working Hypothesis' and 'Killing and Letting Die'

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8 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]
14. Science / D. Explanation / 2. Types of Explanation / j. Explanations by reduction
20653 Six reduction levels: groups, lives, cells, molecules, atoms, particles [Putnam/Oppenheim, by Watson]
20. Action / C. Motives for Action / 5. Action Dilemmas / c. Omissions
4692 It is not true that killing and allowing to die (or acts and omissions) are morally indistinguishable [Foot]
4694 Making a runaway tram kill one person instead of five is diverting a fatal sequence, not initiating one [Foot]
25. Social Practice / C. Rights / 1. Basis of Rights
4693 The right of non-interference (with a 'negative duty'), and the right to goods/services ('positive') [Foot]