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Meinong / Chisholm: Solution: there is the possibility of something round and there is the possibility of something quare - nothing has both - there are properties that can not even be exemplified - I 22 solution: each property is such that there is a possibility that there is someone who thinks of it.
Die erste Person Frankfurt 1992
Roderick M. Chisholm
Erkenntnistheorie Graz 2004