''Praedestinatus'' was a treatise composed in Rome during the 5th century, when

Pope Sixtus III Pope Sixtus III was the bishop of Rome from 31 July 432 to his death on 18 August 440. His ascension to the papacy is associated with a period of increased construction in the city of Rome. His feast day is celebrated by Catholics on 28 March. ...

was the Roman Bishop. The treatise attacks predestinarian beliefs taught by

Saint Augustine Augustine of Hippo ( , ; la, Aurelius Augustinus Hipponensis; 13 November 354 – 28 August 430), also known as Saint Augustine, was a theologian and philosopher of Berber origin and the bishop of Hippo Regius in Numidia, Roman North Af ...

. The treatise is composed of multiple refutations of "heresy", one of them being the "predestinationists". The author of treatise is unknown, but some have suggested him to have been

Arnobius the Younger Arnobius the Younger ( la, Arnobius Junior), Christian priest or bishop in Gaul, wrote from Rome around the year 460.''Ancient Christian Commentary on Scripture'', Old Testament volume VII, edited by Craig A. Blaising and Carmen S. Harden He is the ...

. The writer appears to have semi-Pelagian views, though still criticizing full-Pelagianism.

References

{{Italic title 5th-century Christian texts