Indubitable Proof
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
Evidence which is not only found credible, but is of such weight and directness as to make out the facte alleged beyond a doubt.
Hart v. Carroll, 85 Pa. 511; Jermyn v. McClure, 195 Pa. 245, 45 AH. 938.