But yet so far as any complex idea of any sort of substances contains in it any simple idea, whose NECESSARY co-existence with any other MAY be discovered, so far universal propositions may with certainty be made concerning it: v.g.
Baina, hala ere, edozein motatako substantzien ideia konplexuren batek bere baitan beste ideia batekin beharrezko koexistentzia duela deskubri dakiokeen ideia bakunen bat daukan heinean proposizio unibertsalak ziurtasunez egin daitezke hari buruz;