Combining Texts

All the ideas for 'Metaphysics', 'Frege' and 'Second Philosophy'

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

---

3 ideas

4. Formal Logic / B. Propositional Logic PL / 1. Propositional Logic

7726	Aristotelian logic dealt with inferences about concepts, and there were also proposition inferences [Weiner]

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]

7. Existence / C. Structure of Existence / 8. Stuff / a. Pure stuff

16771

A composite is a true unity if all of its parts fall under one essence [Scheibler]