These synods are not affiliated with each other and vary in their doctrinal beliefs.
en.wikipedia.org Other denominations have found unity in confessional documents, or doctrinal formularies, or a systematically articulated theology, or the pronouncements of magisterial authorities.
en.wikipedia.org They nursed the sick, cleaned homes, sewed carpet rags for local meeting houses, planted and tended gardens, promoted home industry, and shared doctrinal instruction and testimony.
en.wikipedia.org To emphasize his opponents' venality and thus question the motives for their doctrinal position, he used sarcasm, irony, significatio, and praemunitio.
en.wikipedia.org