And though men of art have reduced this into those general rules, WHAT IS, IS, and IT IS IMPOSSIBLE FOR THE SAME THING TO BE AND NOT TO BE, for ready application in all cases, wherein there may be occasion to reflect on it: yet it is certain that the first exercise of this faculty is about particular ideas.
Eta logikariek arau bi hauetara laburbildu badute ere, hau da, "badena bada" eta "ezinezko da gauza bera izatea eta ez izatea", horretaz gogoeta egiteko aukera dagoen kasu orotan berehala aplikatzeko, hala ere egia da ahalmen hau ideia partikularren inguruan hasten dela jardunean.