Combining Texts

All the ideas for 'Subjectivist's Guide to Objective Chance', 'Investigations into Logical Deduction' and 'works'

expand these ideas     |    start again     |     specify just one area for these texts

4 ideas

2. Reason / B. Laws of Thought / 2. Sufficient Reason
18241 Sufficient reason is implied by contradiction, of an insufficient possible which exists [Wolff, by Korsgaard]
5. Theory of Logic / H. Proof Systems / 4. Natural Deduction
13832 Natural deduction shows the heart of reasoning (and sequent calculus is just a tool) [Gentzen, by Hacking]
26. Natural Theory / D. Laws of Nature / 4. Regularities / b. Best system theory
9425 Lewis later proposed the axioms at the intersection of the best theories (which may be few) [Mumford on Lewis]
28. God / A. Divine Nature / 6. Divine Morality / b. Euthyphro question
18242 Confucius shows that ethics can rest on reason, rather than on revelation [Wolff, by Korsgaard]