Combining Philosophers

Ideas for Hermarchus, Bernard Bolzano and Peter Lipton

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

display all the ideas for this combination of philosophers

---

2 ideas

2. Reason / B. Laws of Thought / 1. Laws of Thought

7807	The laws of thought are true, but they are not the axioms of logic [Bolzano, by George/Van Evra]

2. Reason / B. Laws of Thought / 4. Contraries

16854

Contrary pairs entail contradictions; one member entails negation of the other [Lipton]