When David Hume (Dialogues concerning Natural Religion) protests that the universe is a " singular effect " and that we have no right to affirm a cause for it, unless we have experience of the origin of many universes, and can generalize the conclusion, They all have causes - he may be unassailable upon empiricist grounds.
Were too peculiar for us to generalize upon these data as to the Seleucid and Antigonid realms. That the Seleucid kings drew in a principal part of their revenues from tribute levied upon the various native races, distributed in their village communities as tillers of the soil goes without saying.
In the former case the cartographer is merely called upon to reduce and generalize the information given by his originals, to make a judicious selection of place names, and to take care that the map is not overcrowded with names and details.
If f =ay, 4 = b' be any two binary forms, we generalize by forming the function (m-k)!
It would hardly be safe to generalize from these observations; the effects may possibly be dependent upon the physical condition of the metals.