Combining Texts

All the ideas for 'Second Philosophy', 'Rechnungsmethoden (dissertation)' and 'works'

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

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5 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 / A. Overview of Logic / 7. Second-Order Logic

10594

Henkin semantics is more plausible for plural logic than for second-order logic [Maddy]

6. Mathematics / A. Nature of Mathematics / 3. Nature of Numbers / c. Priority of numbers

18256

Quantity is inconceivable without the idea of addition [Frege]

6. Mathematics / C. Sources of Mathematics / 2. Intuition of Mathematics

9831	Geometry appeals to intuition as the source of its axioms [Frege]

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]