Combining Texts

All the ideas for 'In Metaphysics', 'Space, Time and Deity (2 vols)' and 'The Laws of Thought'

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7 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]
7. Existence / A. Nature of Existence / 6. Criterion for Existence
16660 Are things distinct if they are both separate, or if only one of them can be separate? [Duns Scotus, by Pasnau]
9. Objects / B. Unity of Objects / 2. Substance / a. Substance
16626 Substance is only grasped under the general heading of 'being' [Duns Scotus]
17. Mind and Body / A. Mind-Body Dualism / 6. Epiphenomenalism
14494 Epiphenomenalism is like a pointless nobleman, kept for show, but soon to be abolished [Alexander,S]