Combining Texts

All the ideas for 'Science and Method', 'Barcan Formulae' and 'Cognition of Value in Aristotle's Ethics'

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3 ideas

4. Formal Logic / D. Modal Logic ML / 7. Barcan Formula
Barcan:nothing comes into existence; Converse:nothing goes out; Both:domain is unchanging [Vervloesem]
6. Mathematics / A. Nature of Mathematics / 2. Geometry
One geometry cannot be more true than another [Poincaré]
22. Metaethics / A. Ethics Foundations / 2. Source of Ethics / h. Expressivism
Evaluations are not disguised emotions; instead, emotion is a type of evaluation [Achtenberg]