• Andrea Cantini  “Paradoxes and Contemporary Logic”, in: The Stanford Encyclopedia of Philosophy, October 16, 2007

This entry concentrates on the emergence of non-trivial logical themes and notions from the discussion on paradoxes from the beginning of the 20th century until 1945, and attempts to assess their importance for the development of contemporary logic.

Main Contents
1. Introduction
2. Paradoxes: early developments (1897–1917)
3. Paradoxes, predicativism and the doctrine of types: 1905–1913
4. Logical developments and paradoxes until 1930
5. Paradoxes: between metamathematics and type-free foundations (1930–1945)
6. Conclusion: a glance at present-day investigations

この文は、Frege Structureをご専門とされている方がお書きになられているのはないかと思う。