Meinongian Semantics for Propositional Semantic Networks William J Rapaport author 1985-07 text 23rd Annual Meeting of the Association for Computational Linguistics Association for Computational Linguistics Chicago, Illinois, USA conference publication rapaport-1985-meinongian 10.3115/981210.981216 https://aclanthology.org/P85-1006/ 1985-07 43 48