Combining Philosophers

Ideas for Plutarch, Amos and Gottlob Frege

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

display all the ideas for this combination of philosophers

---

2 ideas

4. Formal Logic / B. Propositional Logic PL / 2. Tools of Propositional Logic / e. Axioms of PL

9154	Frege agreed with Euclid that the axioms of logic and mathematics are known through self-evidence [Frege, by Burge]

9585	Since every definition is an equation, one cannot define equality itself [Frege]