Lots of writings from as early as approximately 110 by early christians that tell us that's exactly what they believed, right, Kolokotronis?
"Lots of writings from as early as approximately 110 by early christians that tell us that's exactly what they believed, right, Kolokotronis?"
Yes. The teachings of +Ignatius of Antioch, a friend and disciple of +John the Apostle and the 2nd successor of +Peter as bishop of Antioch, from earlier than 110 AD, outline the Eucharistic theology of the Church, a firm belief in the Real Presence, quite clearly.