Combining Texts

All the ideas for 'fragments/reports', 'The Laws of Thought' and 'Forget the 'correspondence theory of truth''

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

8 ideas

3. Truth / A. Truth Problems / 5. Truth Bearers
10845 To be true a sentence must express a proposition, and not be ambiguous or vague or just expressive [Lewis]
3. Truth / B. Truthmakers / 2. Truthmaker Relation
10847 Truthmakers are about existential grounding, not about truth [Lewis]
3. Truth / B. Truthmakers / 11. Truthmaking and Correspondence
10846 Truthmaker is correspondence, but without the requirement to be one-to-one [Lewis]
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]
13. Knowledge Criteria / E. Relativism / 2. Knowledge as Convention
1556 By nature people are close to one another, but culture drives them apart [Hippias]