is occasionally used generally for a demand or a request in Roman law as a synonym of petitio . For a Roman formula lawsuit in the 3rd cent. AD (in the context of the edict title de postulando; cf. also Cod. Iust. 2,6) Ulpian defines postulare as desiderium suum vel amici sui in iure ... exponere: vel alterius desiderio contradicere ('to expound to the court one's own or a friend's request or to contradict somebody else's request', Dig. 3,1,1,2).
By a postulatio actionis a plaintiff requested a praetor to allow the action on which he had agreed with the accused by way of an editio (…