it is for the other. One, then,New Boulder Parka, will be in virtue of its own nature one sort of animal, and the other another, e.g. one a horse and the other a man. This difference,Nike Kobe 9 Elite High-Top Męskie, then, must be an otherness of the genus. For I give the name of ‘difference in the genus’ an otherness which makes the genus itself other.
This, then,Damskie Barbour Betty Interactive Liner, will be a contrariety (as can be shown also by induction). For all things are divided by opposites, and it has been proved that contraries are in the same genus. For contrariety was seen to be complete difference; and all difference in species is a difference from something in something; so that this is the same for both and is their genus. (Hence also all contraries which are different in species and not in genus are in the same line of predication,Tigres Drakt, and other than one another in the highest degree-for the difference is complete-,Air Jordan Retro 1 Męskie, and cannot be present along with one another.) The difference, then, is a contrariety.
This, then, is what it is to be ‘other in species’-to have a contrariety,BVB Borussia Dortmund Drakt, being in the same genus and being indivisible (and those things are the same in species which have no contrariety, being indivisible); we say ‘being indivisible’, for in the process of division contrarieties arise in the intermediate stages before we come to the indivisibles. Evidently, therefore, with reference to that which is called the genus, none of the species-of-a-genus is either the same as it or other than it in species (and this is fitting; for the matter is indicated by negation, and the genus is the matter of that of which it is called the genus, not in the sense in which we speak of the genus or family of the Heraclidae,Moncler Kurtki Mêskie, but in that in which the genus is an element in a thing’s nature), nor is it so with reference to things which are not in the same genus, but it will differ in genus from them,Canada Goose Victoria Parka, and in species from things in the same genus. For a thing’s difference from that from which it differs in species must be a contrariety; and this belongs only to things in the same genus.
Book X Chapter 9
One might raise the question, why woman does not differ from man in species, when female and male are contrary and their difference is a contrariety; and why a female and a male animal are not different in species, though this difference belongs to animal in virtue of its own nature,Dakota Slippers 5131, and not as paleness or darkness does; both ‘female’ and ‘male’ belong to it qua animal. This question is almost the same as the other,Klay Thompson Drakter, why one contrariety makes things different in species and another does not, e.g. ‘with feet’ and ‘with wings’ do, but paleness and darkness do not. Perhaps it is because the former are modifications peculiar to the genus, and the latter are less so. And since one element is definition and one is matter, contrarieties which are in the definition make a difference in species,Norwegian Fur Bunda, but those which are in the thing taken as including its matter do not make one. And so paleness in a man, or darkness, does not make one,Chelsea Quilted Bunda, nor is there a difference in species between the pale man
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