|Chisholm, Roderick M.
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Individuals: contingent things that are not states - states: things that are the being of other things - thing: not a state of something - limits: no entia per se, no substances - substrate: if "x is F", then "x" is the substrate and being F is the content.
Die erste Person Frankfurt 1992
Roderick M. Chisholm
Erkenntnistheorie Graz 2004