Combining Texts

All the ideas for 'fragments/reports', 'The Bacchae' and 'The Laws of Thought'

expand these ideas     |    start again     |     specify just one area for these texts

---

10 ideas

1. Philosophy / B. History of Ideas / 2. Ancient Thought

1597	Thales was the first western thinker to believe the arché was intelligible [Roochnik on Thales]

1. Philosophy / D. Nature of Philosophy / 7. Despair over Philosophy

9283	Our ancient beliefs can never be overthrown by subtle arguments [Euripides]

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]

10. Modality / C. Sources of Modality / 5. Modality from Actuality

3013	Nothing is stronger than necessity, which rules everything [Thales, by Diog. Laertius]

26. Natural Theory / A. Speculations on Nature / 6. Early Matter Theories / c. Ultimate substances

1494	Thales said water is the first principle, perhaps from observing that food is moist [Thales, by Aristotle]

27. Natural Reality / A. Classical Physics / 1. Mechanics / a. Explaining movement

1713	Thales must have thought soul causes movement, since he thought magnets have soul [Thales, by Aristotle]

29. Religion / A. Polytheistic Religion / 2. Greek Polytheism

1742	Thales said the gods know our wrong thoughts as well as our evil actions [Thales, by Diog. Laertius]