By the stronger reason; all the more.
Definition of A Fortiori
Advertisement
Definitions from Black's Law Dictionary: 2nd Edition and Ballentine's Law Dictionary as are available for each term in each dictionary.
-
Ballentine's Law Dictionary -
Black's Law Dictionary: 2nd EditionBy a stronger reason. A term used in logic to denote an argument to the effect that because one ascertained fact exists, therefore another, which is included in it or analogous to it, and which is less improbable, unusual or surprising, must also exist