τὰ μέλλοντα τοῖς γεγενημένοις τεκμαίρεσθαι → determine the future on the basis of the past
suppŭtātĭo: (subp-), ōnis, f. id.,I a reckoning up, computation, Vitr. 3, 1 med.; Arn. 2, 93: temporum, Aug. Civ. Dei, 18, 36: stadiorum, Mart. Cap. 6, § 609.
