Ex Certa Scientia
A New Law Dictionary and Glossary · Alexander M. Burrill · 1850
A New Law Dictionary and Glossary
Lat. Of certain or sure knowledge. Formal words anciently used in letters patent, implying that the king had full knowledge and understanding of the matter.
1 Co. 40 b; Alton Wood'* s case. 1 Mann. Or. db Scott, 518, arg.
See Ex gratia speeiali, <fec.