Combining Texts

All the ideas for 'Cognition of Value in Aristotle's Ethics', 'works' and 'Gentzen's Analysis of First-Order Proofs'

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6 ideas

5. Theory of Logic / A. Overview of Logic / 1. Overview of Logic

13831

Logic is based on transitions between sentences [Prawitz]

5. Theory of Logic / E. Structures of Logic / 2. Logical Connectives / a. Logical connectives

13825

Natural deduction introduction rules may represent 'definitions' of logical connectives [Prawitz]

5. Theory of Logic / H. Proof Systems / 4. Natural Deduction

13823

In natural deduction, inferences are atomic steps involving just one logical constant [Prawitz]

22. Metaethics / A. Ethics Foundations / 2. Source of Ethics / h. Expressivism

4375	Evaluations are not disguised emotions; instead, emotion is a type of evaluation [Achtenberg]

27. Natural Reality / A. Classical Physics / 2. Thermodynamics / b. Heat

20645

Heat is a state of vibration, not a substance [Joule]

20972

Joule showed that energy converts to heat, and heat to energy [Joule, by Papineau]