Combining Texts

All the ideas for 'Reportatio', 'Whitehead and the Rise of Modern Logic' and 'The Laws of Thought'

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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 / A. Overview of Logic / 7. Second-Order Logic

13639

Quine says higher-order items are intensional, and lack a clearly defined identity relation [Quine, by Shapiro]

5. Theory of Logic / H. Proof Systems / 2. Axiomatic Proof

22277

Boole's method was axiomatic, achieving economy, plus multiple interpretations [Boole, by Potter]

6. Mathematics / C. Sources of Mathematics / 6. Logicism / b. Type theory

21557

Russell confused use and mention, and reduced classes to properties, not to language [Quine, by Lackey]

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

9111	God is not wise, but more-than-wise; God is not good, but more-than-good [William of Ockham]

28. God / C. Attitudes to God / 4. God Reflects Humanity

9112	We could never form a concept of God's wisdom if we couldn't abstract it from creatures [William of Ockham]