Combining Texts

All the ideas for 'Phenomenalism', 'Completeness of Axioms of Logic' and 'On the Basis of Morality'

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6 ideas

4. Formal Logic / C. Predicate Calculus PC / 3. Completeness of PC

17751

Gödel proved the completeness of first order predicate logic in 1930 [Gödel, by Walicki]

11. Knowledge Aims / C. Knowing Reality / 2. Phenomenalism

2614	Modern phenomenalism holds that objects are logical constructions out of sense-data [Ayer]

12. Knowledge Sources / B. Perception / 4. Sense Data / a. Sense-data theory

2615	The concept of sense-data allows us to discuss appearances without worrying about reality [Ayer]

22. Metaethics / A. Ethics Foundations / 2. Source of Ethics / b. Rational ethics

21375

Reason can be vicious, and great crimes have to be rational [Schopenhauer]

22. Metaethics / A. Ethics Foundations / 2. Source of Ethics / e. Human nature

21379

Man's three basic ethical incentives are egoism, malice and compassion [Schopenhauer]

25. Social Practice / F. Life Issues / 6. Animal Rights

21376

Philosophy treats animals as exploitable things, ignoring the significance of their lives [Schopenhauer]