What is the function of the Sign at Cana in John 2:1-12?

The Function of the "Sign at Cana" in John. 2:1-12 In the Gospel of John, John writes about the seven "signs" that Jesus preformed for the duration of his public ministry. John uses the seven signs to lead up to the climax of Book III, "The Book of Glory". John additionally uses the "signs" to construct his bases for establishing Jesus is the Messiah, the Only Son of God. He ingeniously selected these particular seven …

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