Bulls
, which will be found always to contain in them a confusion of what the schoolmen would have called objectivity with subjectivity; in plain English, the impression of a thing as it exists in itself, and extrinsically, with the image which the mind abstracts from the impression. Thus, number, or the total of a series, is a generalization of the mind, an
ens rationis
not an
ens reale
. I have read many attempts at a definition of a
Bull
, and lately in the Edinburgh Review; but it then appeared to me that the definers had fallen into the same fault with Miss Edgeworth, in her delightful essay on
Bulls
, and given the definition of the genus,