τὰ μέλλοντα τοῖς γεγενημένοις τεκμαίρεσθαι → determine the future on the basis of the past
intersectĭo: ōnis, f. interseco,I an intersection; in archit., the part cut out between two teeth in indented work: intersectio, quae Graece μετοχή dicitur, Vitr. 3, 3.