|Species: groups of individuals based on common characteristics. See also biological species, natural kinds.|
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SellarsVsLocke: he should have allowed not only conjunctive but also disjunctive ideas. Not only the idea of being A and B but also the idea of being A or B.
Disjunction: the idea of a genus is the idea of the disjunction of all its species. So the idea of the triangular is the idea of the inequilateral or equilateral. SellarsVsLocke: he thought it was the idea of the inequilateral and equilateral. And that is of course the idea of an impossibility.
Der Empirismus und die Philosophie des Geistes Paderborn 1999