one-court-of-justice doctrine.A principle in some states holding that there is but a single court

in the state and that this court is composed of several divisions, such as the supreme court, the courts of appeals, and district courts, probate courts, and any other legislatively created courts. • Michigan, for example, has embodied this doctrine in its constitution (art. VI, § 1). — Also termed one court of justice. [Cases: Courts 1.C.J.S. Courts §§ 2, 6, 9, 12–15.]

[Blacks Law 8th]