ten ess ▁of ▁his ▁two ▁n atures : ▁God head ▁and ▁man hood . ▁The ▁council ▁also ▁issued ▁ 2 7 ▁discipl inary ▁can ons ▁gover ning ▁church ▁administration ▁and ▁authority . ▁In ▁a ▁further ▁dec ree , ▁later ▁known ▁as ▁canon ▁ 2 8 , ▁the ▁b ish ops ▁declared ▁that ▁the ▁See ▁of ▁Constantin ople ▁( New ▁Rome ) ▁had ▁the ▁patri arch al ▁status ▁with ▁" equal ▁privileges " ▁(" τ ῶ ν ▁ <0xE1> <0xBC> <0xB4> σ ω ν ▁ ἀ π ο λ α ύ ο υ σ α ν " ▁in ▁Greek , ▁" a equal ibus ▁privile gi is " ▁in ▁Latin ) ▁to ▁the ▁See ▁of ▁Rome . Sch wer in , ▁Philip , ▁How ▁the ▁Bishop ▁of ▁Rome ▁Ass umed ▁the ▁Title ▁of ▁" V ic ar ▁of ▁Christ ", ▁p 3 , ▁" Le o ▁believed ▁that ▁in ▁him ▁was ▁the ▁voice ▁of ▁Peter . ▁The ▁Four th ▁E c umen ical ▁Council ▁at ▁Chal ced on ▁in ▁ 4 5 1 ▁declared ▁that ▁Constantin ople ▁had ▁the ▁same ▁patri arch al ▁status ▁as ▁Rome ▁( 2 8 th ▁canon ), ▁a ▁statement ▁with ▁which ▁Leo ▁never ▁agreed , ▁and ▁which ▁he ▁even ▁tried ▁to ▁declare ▁invalid . ▁When ▁Leo ▁tried ▁to ▁re inst ate ▁a ▁def rock ed ▁French ▁bishop , ▁St . ▁Hil ary ▁who ▁pres ided ▁over ▁the ▁Gall ican ▁Church ▁as ▁Supreme ▁Pont iff , ▁told ▁Leo ▁to ▁keep ▁his ▁Roman ▁nose ▁out ▁of ▁French ▁affairs . ▁Leo ’