[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., 175–6. His [Kant’s] 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.
