Characterizing that sorts of reasoning which derives propositions from the observance of realities, or by generalizations from details gets to axioms and meanings, or infers causes from impacts. This is the reverse of a priori reasoning.
Applied to knowledge which is based upon or derived from facts through induction or experiment; inductive or empirical.
virtually, from the latter or subsequent; for this reason, in logic, from a consequent to its antecedent, or from an effect to its cause: utilized of reasoning which follows this purchase, previously known as demonstratio quia, or imperfect demonstration.
Definition for "a posteriori"
Derived by or designating the process of reasoning…