s ▁asp ir ations ▁were ▁strongly ▁opposed , ▁especially ▁by ▁the ▁patri arch ▁of ▁Constantin ople . ▁Yet ▁through ▁him ▁the ▁pap acy ▁still ▁gained ▁some ▁ground ." ▁No ▁reference ▁was ▁made ▁in ▁Can on ▁ 2 8 ▁to ▁the ▁b ish ops ▁of ▁Rome ▁or ▁Constantin ople ▁having ▁their ▁authority ▁from ▁being ▁success ors ▁to ▁Peter ▁or ▁Andrew ▁respectively . ▁Instead , ▁the ▁stated ▁reasons ▁in ▁the ▁actual ▁text ▁of ▁the ▁Can on ▁that ▁the ▁epis cop acy ▁of ▁these ▁cities ▁had ▁been ▁granted ▁their ▁status ▁was ▁the ▁importance ▁of ▁these ▁cities ▁as ▁major ▁cities ▁of ▁the ▁emp ire ▁of ▁the ▁time . ▁Con sequently , ▁Pope ▁Leo ▁declared ▁canon ▁ 2 8 ▁null ▁and ▁void . ▁ ▁Conf ession ▁of ▁Chal ced on ▁ ▁The ▁Conf ession ▁of ▁Chal ced on ▁provides ▁a ▁clear ▁statement ▁on ▁the ▁two ▁n atures ▁of ▁Christ , ▁human ▁and ▁divine : ▁ ▁The ▁full ▁text ▁of ▁the ▁definition ▁which ▁re aff ir ms ▁the ▁dec isions ▁of ▁the ▁Council ▁of ▁E ph es us , ▁the ▁pre - em in ence ▁of ▁the ▁Cre ed ▁of ▁Nice a ▁( 3 2 5 ). ▁It ▁also ▁canon ises ▁as ▁author itative ▁two ▁of ▁Cy ril ▁of ▁Alexand ria ' s ▁letters ▁and ▁the ▁T ome ▁of ▁Leo ▁written ▁against ▁E ut ych es ▁and ▁sent ▁to ▁Arch bishop ▁F lav ian ▁of ▁Constantin ople ▁in ▁ 4 4 9 . ▁ ▁Can ons ▁The ▁work ▁of ▁the ▁council ▁was ▁completed ▁by ▁a ▁series ▁of ▁ 3