Combining Texts

All the ideas for 'Theory of Knowledge (2nd edn)', 'The Logical Syntax of Language' and 'Letter to G.H. Schaller'

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

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5 ideas

1. Philosophy / C. History of Philosophy / 4. Later European Philosophy / b. Seventeenth century philosophy

2945	Most philosophers start with reality and then examine knowledge; Descartes put the study of knowledge first [Lehrer]

1. Philosophy / F. Analytic Philosophy / 4. Conceptual Analysis

2946	You cannot demand an analysis of a concept without knowing the purpose of the analysis [Lehrer]

5. Theory of Logic / B. Logical Consequence / 1. Logical Consequence

13342

Carnap defined consequence by contradiction, but this is unintuitive and changes with substitution [Tarski on Carnap]

5. Theory of Logic / C. Ontology of Logic / 4. Logic by Convention

13251

Each person is free to build their own logic, just by specifying a syntax [Carnap]

16. Persons / F. Free Will / 5. Against Free Will

4871	A thing is free if it acts only by the necessity of its own nature [Spinoza]