Combining Texts

All the ideas for 'Good and Evil', 'The Logical Syntax of Language' and 'External and Internal Relations'

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

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4 ideas

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]

8. Modes of Existence / A. Relations / 2. Internal Relations

21342

A relation is internal if two things possessing the relation could not fail to be related [Moore,GE, by Heil]

22. Metaethics / C. The Good / 1. Goodness / a. Form of the Good

22489

'Good' is an attributive adjective like 'large', not predicative like 'red' [Geach, by Foot]