# LCMS Convention Workbook_St. Louis Missouri_1969_S518 # Machine transcription, uncorrected — CHI Digital Archive (demonstration) “WHAT IS A DOCTRINE?” 507 church unity. Since this article is speaking of “true spiritual unity, without which there can be no faith in the heart nor righteousness in the heart before God,” 33 it is not in the first instance a programmatic statement for the establishment of denominational fel- lowship. Nevertheless, it has important implications for the latter. A pure understanding of the Gospel, and therefore correct preaching of the Gospel, calls for a correct understanding of the articles of faith treated in the Augsburg Confession, defended in its Apology, and explained in the remaining Lutheran Confessions, par- ticularly the Formula of Concord. All articles of faith are integrally related to the Gospel and articulate the Gospel from different perspectives. Consequently the preaching of the Gospel according to a pure under- 33 Apology, VI, 31; Tappert, p. 174. standing of it is not possible where any article of faith is either falsified or denied. 8. As demonstrated in the Theology of Fellowship ,3+ the establishment of pulpit and altar fellowship between denominations depends on unity in the faith, or what the Confessions call “mutual agreement in {the] doctrine and all its articles.” 3* Because of the ambiguities and various usages of the term “doctrine,” the church in dealing with the question of fellowship would do well to utilize the concept “article of faith.’ Used by the church long before the Reformation, this term was hon- ored by the Reformers, the framers of the Lutheran Confessions, the Lutheran dogmaticians, and the fathers of the Missouri Synod. 34 Proceedings, 1965, pp. 264—291. 35 Formula of Concord, Epitome, X, 7; Tappert, p. 493.