upright=1.2|The Antichrist (the figure on the left, with the attributes of a king) by Herrad of Landsberg (about 1180), from the 12th-century Hortus deliciarum upright=1.2|The Antichristdetail from a fresco at Osogovo Monastery in the Republic of North Macedonia. The reads "All kings and nations bow before the Antichrist." In Christian eschatology, the Antichrist, or anti-Christ, refers to people prophesied by the Bible to oppose Christ and substitute themselves in Christ's place before the Second Coming. The term Antichrist (including one plural form) is found five times in the New Testament, solely in the First and Second Epistle of John.BibleGateway.com: translations of 1 John 2:18 The Antichrist is announced as the one  " who denies the Father and the Son. "  The five uses of the term "antichrist" or "antichrists" in the Johannine epistles do not clearly present a single latter-day individual Antichrist. The articles "the deceiver" or "the antichrist" are usually seen as marking out a certain category of persons, rather than an individual. 
upright=1.2|The Antichrist (the figure on the left, with the attributes of a king) by Herrad of Landsberg (about 1180), from the 12th-century Hortus deliciarum upright=1.2|The Antichristdetail from a fresco at Osogovo Monastery in the Republic of North Macedonia. The reads "All kings and nations bow before the Antichrist." In Christian eschatology, the Antichrist, or anti-Christ, refers to people prophesied by the Bible to oppose Christ and substitute themselves in Christ's place before the Second Coming. The term Antichrist (including one plural form) is found five times in the New Testament, solely in the First and Second Epistle of John.BibleGateway.com: translations of 1 John 2:18 The Antichrist is announced as the one that " denieth that Jesus is the Christ " according to 1 John. The five uses of the term "antichrist" or "antichrists" in the Johannine epistles do not clearly present a single latter-day individual Antichrist. The articles "the deceiver" or "the antichrist" are usually seen as marking out a certain category of persons, rather than an individual. Therefore Judaism, a religion which denies that Jesus is the Christ, is antichrist, according to 1 John. Accepting "the Father" but denying "the Son", is impossible according to 1 John 2:23 because "whosoever denieth the Son, the same hath not the Father: (but) he that acknowledgeth the Son hath the Father also."
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that
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who denies the Father and the Son.
denieth that Jesus is the Christ
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according to 1 John.
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Therefore Judaism, a religion which denies that Jesus is the Christ, is antichrist, according to 1 John. Accepting "the Father" but denying "the Son", is impossible according to 1 John 2:23 because "whosoever denieth the Son, the same hath not the Father: (but) he that acknowledgeth the Son hath the Father also."