Combining Texts

All the ideas for 'fragments/reports', 'The Laws of Thought' and 'On Mental Entities'

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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]

12. Knowledge Sources / B. Perception / 4. Sense Data / d. Sense-data problems

21686

Sense-data are dubious abstractions, with none of the plausibility of tables [Quine]

12. Knowledge Sources / D. Empiricism / 4. Pro-Empiricism

21685

Empiricism says evidence rests on the senses, but that insight is derived from science [Quine]

23. Ethics / C. Virtue Theory / 2. Elements of Virtue Theory / e. Character

541	Virtue comes more from habit than character [Critias]

28. God / C. Attitudes to God / 5. Atheism

542	Fear of the gods was invented to discourage secret sin [Critias]