On the theory of inconsistent formal systems.
Newton C. A. da Costa · Notre Dame Journal of Formal Logic · 1974
1. Meinong's theory is discussed, for example, by Russell (cf.[21] and the articles by Meinong, Ameseder and Mally cited there).One of the objections formulated by Russell against Meinong's theory is precisely that it implies a derogation of the principle of contradiction.