Combining Texts

All the ideas for 'Psychophysical supervenience', 'Opus Maius (major works)' 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]

8. Modes of Existence / B. Properties / 4. Intrinsic Properties

15456

Extrinsic properties, unlike intrinsics, imply the existence of a separate object [Kim, by Lewis]

26. Natural Theory / D. Laws of Nature / 8. Scientific Essentialism / d. Knowing essences

16745

No one even knows the nature and properties of a fly - why it has that colour, or so many feet [Bacon,R]