Combining Texts

All the ideas for 'Brain Bisection and Unity of Consciousness', 'Proof of an External World' and 'The Laws of Thought'

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

---

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]

11. Knowledge Aims / B. Certain Knowledge / 2. Common Sense Certainty

6349	I can prove a hand exists, by holding one up, pointing to it, and saying 'here is one hand' [Moore,GE]

15. Nature of Minds / A. Nature of Mind / 5. Unity of Mind

2957	Brain bisection suggests unity of mind isn't all-or-nothing [Nagel, by Lockwood]

16. Persons / B. Nature of the Self / 4. Presupposition of Self

3285	We may be unable to abandon personal identity, even when split-brains have undermined it [Nagel]