Thetically

adv. [f. THETICAL + -LY².] In a thetical manner; by way of assertion or positive statement; positively.

1657.  W. Morice, Coena quasi Κοινὴ, v. 58. Why should the same thing be true when proposed thetically, generall and to the ear, and false when applyed hypothetically, particularly and to the eye…?

1697.  G. K., Disc. Geom. Problems, 12. [I] have proposed it rather Problematically than Thetically.

1870.  M. J. Evans, Oosterzee’s Theol. N. T., 305. The doctrine of justification is in the Epistle to the Romans presented more thetically (i. e. by way of statement), in Galatians more polemically.