1682. Sir T. Browne, Chr. Mor., III. xiii. (1716), 97. A Retrograde cognition of times past … is more satisfactory than a suspended Knowledge of what is yet unexistent.
1723. Blackmore, Alfred, Pref. p. xlv. Only empty Phantasms, and the unexistent Creatures of human Invention.
1746. Young, Nt. Th., IX. 812. Are there … those to whom Unseen and unexistent, are the same?
