it ism ) ▁since ▁it ▁declared ▁the ▁complete ▁absor ption ▁of ▁Christ ' s ▁man hood ▁in ▁his ▁single ▁divine ▁nature ▁whereas ▁the ▁Co pts ▁clearly ▁u ph eld ▁the ▁doctrine ▁of ▁the ▁two ▁n atures , ▁divine ▁and ▁human ▁- ▁myst ically ▁un ited ▁in ▁one ▁( m ia phys it ism ) ▁without ▁confusion , ▁cor ruption , ▁or ▁change . ▁As ▁a ▁strictly ▁traditional ▁church , ▁its ▁religious ▁leaders ▁have ▁sought ▁bib lic al ▁just ification ▁for ▁this ▁interpretation ▁of ▁the ▁Nice an ▁Cre ed ▁and ▁the ▁Cy ril ian ▁formula , ▁but ▁mean while ▁have ▁restricted ▁the ▁subst ance ▁of ▁their ▁variance ▁to ▁interpretation . ▁ ▁Lit urg ical ▁comm emor ations ▁The ▁Eastern ▁Orth odox ▁Church ▁comm emor ates ▁the ▁" H oly ▁F athers ▁of ▁the ▁ 4 th ▁E c umen ical ▁Council , ▁who ▁assemble d ▁in ▁Chal ced on " ▁on ▁the ▁Sunday ▁on ▁or ▁after ▁July ▁ 1 3 ; ▁▁ ▁however , ▁in ▁some ▁places ▁( e . g . ▁Russia ) ▁on ▁that ▁date ▁is ▁rather ▁a ▁fe ast ▁of ▁the ▁F athers ▁of ▁the ▁First ▁Six ▁E c umen ical ▁Coun c ils . ▁ ▁For ▁both ▁of ▁the ▁above ▁complete ▁prop ers ▁have ▁been ▁composed ▁and ▁are ▁found ▁in ▁the ▁M ena ion . ▁ ▁For ▁the ▁former ▁" The ▁Office ▁of ▁the ▁ 6 3 0 ▁Holy ▁and ▁God - b ear ing ▁F athers ▁of ▁the ▁ 4 th ▁... ▁Sum mon ed ▁against ▁the ▁Mon oph