Combining Texts

All the ideas for 'Letters to Oldenburg', 'The Laws of Thought' and 'Quaestiones de anima'

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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]

9. Objects / C. Structure of Objects / 2. Hylomorphism / d. Form as unifier

16766

One thing needs a single thing to unite it; if there were two forms, something must unite them [Aquinas]

22. Metaethics / A. Ethics Foundations / 1. Nature of Ethics / f. Ethical non-cognitivism

4867	Whether nature is beautiful or orderly is entirely in relation to human imagination [Spinoza]

28. God / A. Divine Nature / 3. Divine Perfections

4866	God is a being with infinite attributes, each of them infinite or perfect [Spinoza]

28. God / B. Proving God / 3. Proofs of Evidence / e. Miracles

4868	Trying to prove God's existence through miracles is proving the obscure by the more obscure [Spinoza]