Combining Texts

All the ideas for 'Leibniz: Guide for the Perplexed', 'Intuitionism' and 'The Theory of Knowledge'

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9 ideas

5. Theory of Logic / E. Structures of Logic / 2. Logical Connectives / a. Logical connectives
23476 Logical constants seem to be entities in propositions, but are actually pure form [Russell]
23477 We use logical notions, so they must be objects - but I don't know what they really are [Russell]
5. Theory of Logic / I. Semantics of Logic / 3. Logical Truth
18273 Logical truths are known by their extreme generality [Russell]
7. Existence / D. Theories of Reality / 8. Facts / d. Negative facts
22315 There can't be a negative of a complex, which is negated by its non-existence [Potter on Russell]
9. Objects / B. Unity of Objects / 2. Substance / d. Substance defined
19347 Substance needs independence, unity, and stability (for individuation); also it is a subject, for predicates [Perkins]
22. Metaethics / A. Ethics Foundations / 2. Source of Ethics / c. Ethical intuitionism
7260 If there are intuited moral facts, why should we care about them? [Dancy,J]
7261 Internalists say that moral intuitions are motivating; externalist say a desire is also needed [Dancy,J]
7262 Obviously judging an action as wrong gives us a reason not to do it [Dancy,J]
7265 Moral facts are not perceived facts, but perceived reasons for judgements [Dancy,J]