Positive proof
Defined in 1 dictionary — Black's (1910)
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910
Direct or affirmative proof; that which directly establishes the fact in question ; as opposed to negative proof, which establishes the fact by showing that its opposite is not or cannot be true. Niles v. Rhodes, 7 Mich. 378; Falkner v. Behr, 75 Ga. 674; Schrack v. McKnight, 84 Pa. 30.
Defined under Proof in Black's Law Dictionary.