He proposition, that the Duke of Wellington is mortal, is evidently an inference, it is got at as a conclusion from something else; but do we, in reality, conclude it from the proposition--All men are mortal? I answer, No. "The error committed is, I conceive, that of overlooking the distinction between the two parts of the process of philosophizing--the inferring part and the registering part; and ascribing to the latter the functions of the former. The mistake is that of referring a