It consists in mixing up the methods of procedure followed by speculation and ratiocination. when what is said of the subject has at one time the significance of its conceptual principle. and at another time the meaning of its predicate or accidental quality. The one mode of thinking invalidates the other;
Baztertu beharko litzatekeen zailtasun batek modu espekulatiboaren eta arrazoitzailearen arteko nahasketa osatzen du, behin subjektuaz esaten denak haren adigaiaren esanahia badu, beste behin, ordea, haren predikatuaren eta akzidentearen esanahia besterik ez.