Doctrinal minimalism

...Christian unity is grounded and expressed in the unity of the Apostolic Tradition, and that the divisions among Christians, complicated as they might be by “non-theological” (cultural, historical, socio-psychological, etc.) factors, are ultimately rooted in deviations from the one faith. These divisions cannot be healed by compromise or doctrinal minimalism.
SCOBA guide for ecumenical diaogue

SCOBA: First Movement

It is the acceptance of God's revelation as found and lived in the reality of the one historical and visible Church of Christ that delimits the beginning and the end of the ecumenical movement for us.
SCOBA guide for ecumenical dialogue