取り合えず入手文献名を記すにとどめます。

  • Michael Morris  Routledge Philosophy GuideBook to Wittgenstein and the Tractatus, Routledge, Routledge Philosophy GuideBooks Series, 2008
  • E.J. Lowe  “Keynote Address: Recent Progress in Metaphysics,” International Conference on Formal Ontology in Information Systems, October 17-19, 2001, Ogunquit, Maine