According to the subset account of realization, a property, F, is realized by another property, G, whenever F is individuated by a non-empty proper subset of the causal powers by which G is ...

Conservation Biology, Vol. 1, No. 4 (Dec., 1987), pp. 323-334 (12 pages) The nested subset hypothesis states that the species comprising a depauperate insular biota are a proper subset of those in ...