[f. as prec. + -ITY, after priority.]
1. The quality of being original and underived from experience; innateness in the mind.
1854. Tulk, trans. Chalybaäs Hist. Philos., ii. 29. The same Kantian criterion of a-priority.
1870. C. S. Peirce, Notation Log. Rel., 51, note. The question concerning the apriority of space.
1879. Lewes, Study Psychol., 1756. His forms are pure abstractions, and he declines to predicate anything of them except their à-priority and universality.
2. Deductiveness; practice of à priori reasoning.
1879. Athenæum, 12 July, 44/2. Even the sublime apriority of Prof. Fawcett descends to such concrete matters as Indian Exchequer Bills and Land Settlement Bill in the last edition of his text-book.