Theology

The core soteriological promise of the New Testament is straightforward: belief in Christ guarantees the possession of everlasting life. For example, Jesus declares in John 6:47, “Most assuredly, I say to you, he who believes in Me has everlasting life.” In this proposition, simple faith in Christ functions as a sufficient condition for possessing eternal life. The fallacy of Denying the Antecedent occurs when an interpreter takes a conditional premise regarding discipleship or sanctification—such as “If a believer endures, he will reign with Christ” (2 Tim 2:12a)—and incorrectly infers: “Therefore, if a person does not endure, he is not eternally saved.” Paul explicitly refutes this logical fallacy in the very next verse: “If we are faithless, He remains faithful; He cannot deny Himself” (2 Tim 2:13). While unfaithfulness forfeits the reward of reigning, it does not and cannot negate the possession of eternal life, which was received as an unearned, irrevocable gift (Eph 2:8–9). Confusing a sufficient condition for entrance into heaven with necessary conditions for temporal discipleship collapses justification into works, undermining the believer’s absolute assurance.