Combining Texts

Ideas for 'Rationality', 'Grundlagen der Arithmetik (Foundations)' and 'Definitions'

expand these ideas     |    start again     |     choose another area for these texts

display all the ideas for this combination of texts

---

3 ideas

7. Existence / A. Nature of Existence / 1. Nature of Existence

8643	Affirmation of existence is just denial of zero [Frege]

7. Existence / A. Nature of Existence / 4. Abstract Existence

8911	If abstracta are non-mental, quarks are abstracta, and yet chess and God's thoughts are mental [Rosen on Frege]

8634	The equator is imaginary, but not fictitious; thought is needed to recognise it [Frege]