Probatio Mortua
Defined in 3 dictionaries — Cyclopedic (1922), Ballentine's (1916), Black's (1910)
The Cyclopedic Law Dictionary
Walter A. Shumaker and George Foster Longsdorf; ed. James C. Cahill · 1922
Dead proof; that
Ballentine's Law Dictionary
James A. Ballentine · 1916
Dead proof; i. e., by writings or things.
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910
Dead proof; that is proof by inanimate objects, such as deeds or other written evidence.
Defined under Probatio in Black's Law Dictionary.