Doctrines of the Calvinistic Heritage The Calvinistic heritage affirms many of the same doctrines that Lutherans do, such as the Trinity, the incarnation of Christ, the divine authority of Scripture (but not of tradition), and justification by Christ’s righteousness being credited to us. Some differences occur in the following areas. Salvation by Grace The Reformed teach the total depravity of humanity and the necessity of saving grace, unconditional election, and the atonement of Christ. We cannot