y ▁of ▁the ▁T ome ▁using ▁Cy ril ' s ▁letters ▁( which ▁included ▁the ▁twelve ▁an ath emas ) ▁as ▁their ▁criteria ▁un anim ously ▁determined ▁it ▁to ▁be ▁orth odox , ▁and ▁the ▁council , ▁with ▁few ▁exceptions , ▁supported ▁this . ▁ ▁It ▁approved ▁the ▁cre ed ▁of ▁N ica ea ▁( 3 2 5 ), ▁the ▁cre ed ▁of ▁Constantin ople ▁( 3 8 1 ; ▁subsequently ▁known ▁as ▁the ▁Nic ene ▁Cre ed ), ▁two ▁letters ▁of ▁Cy ril ▁against ▁N est or ius , ▁which ▁ins isted ▁on ▁the ▁unity ▁of ▁divine ▁and ▁human ▁persons ▁in ▁Christ , ▁and ▁the ▁T ome ▁of ▁Pope ▁Leo ▁I ▁confirm ing ▁two ▁distinct ▁n atures ▁in ▁Christ . ▁ ▁Accept ance ▁ ▁The ▁dog m atic ▁definitions ▁of ▁the ▁council ▁are ▁recognized ▁as ▁norm ative ▁by ▁the ▁Eastern ▁Orth odox ▁and ▁Catholic ▁Church es , ▁as ▁well ▁by ▁certain ▁other ▁Western ▁Church es ; ▁also , ▁most ▁Protest ants ▁agree ▁that ▁the ▁council ' s ▁teach ings ▁regarding ▁the ▁Tr inity ▁and ▁the ▁Inc arn ation ▁are ▁orth odox ▁doctrine ▁which ▁must ▁be ▁ad her ed ▁to . ▁The ▁council , ▁however , ▁is ▁rejected ▁by ▁the ▁Ass y rian ▁Church ▁of ▁the ▁East ▁and ▁the ▁Oriental ▁Orth odox ▁Church es , ▁the ▁latter ▁teaching ▁rather ▁that ▁" The ▁Lord ▁Jesus ▁Christ ▁is ▁God ▁the ▁Inc arn ate ▁Word . ▁He ▁poss esses ▁the ▁perfect ▁God head ▁and ▁the ▁perfect ▁man hood . ▁His ▁fully ▁divine ▁nature ▁is ▁un ited