Synod of Jassy

The purpose of the synod was to counter what Eastern Orthodox considered as Protestant doctrinal errors that had entered Eastern Orthodox Christian theology, and to offer a comprehensive Eastern Orthodox statement on the content and character of the Eastern Orthodox faith.

Including representatives of the Greek and Slavic Churches, it condemned the Calvinist teachings ascribed to Cyril Lucaris and ratified (a somewhat amended text of) Peter Mogila's Expositio fidei (Statement of Faith, also known as the Orthodox Confession), a description of Christian orthodoxy in a question and answer format. The Statement of Faith became fundamental for establishing the Eastern Orthodox world's attitude toward Reformation thought. The major contribution of the synod was the reinforced sense of unity in the Eastern Orthodox Church through the promulgation of an authoritative statement agreed upon by all the major sees.