Combining Texts

All the ideas for 'works', 'Elements of Mathematical Logic' and 'Moral Beliefs'

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6 ideas

4. Formal Logic / E. Nonclassical Logics / 3. Many-Valued Logic

8942	Lukasiewicz's L3 logic has three truth-values, T, F and I (for 'indeterminate') [Lukasiewicz, by Fisher]

5. Theory of Logic / D. Assumptions for Logic / 3. Contradiction

10121

Contradiction is not a sign of falsity, nor lack of contradiction a sign of truth [Pascal]

22. Metaethics / A. Ethics Foundations / 1. Nature of Ethics / e. Ethical cognitivism

23683

Moral norms are objective, connected to facts about human goods [Foot, by Hacker-Wright]

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

23684

Morality gives everyone reasons to act, irrespective of their desires [Foot, by Hacker-Wright]

23690

We all have reason to cultivate the virtues, even when we lack the desire [Foot, by Hacker-Wright]

22. Metaethics / C. The Good / 1. Goodness / b. Types of good

22379

The meaning of 'good' and other evaluations must include the object to which they attach [Foot]