Paul argued in 1 Corinthians 15:
Now if Christ is preached that He rose from the dead, how can some of you say that there is no resurrection of the dead? If there is no resurrection of the dead, then Christ has not risen. If Christ has not risen, then our preaching is vain, and your faith is also vain. Yes, and we would then be found false witnesses of God, because we have testified that God raised up Christ, whom He did not raise up, if in fact the dead do not rise. For if the dead do not rise, then Christ has not been raised. If Christ is not raised, your faith is vain; you are still in your sins. Then they also who have fallen asleep in Christ have perished. If in this life only we have hope in Christ, we are of all men most miserable.
I can see why Paul draws this conclusion, but I don’t understand this as a good argument for the resurrection of the dead. Does our joy in Christ prove that the joy will last? I am not sure that this makes sense.
I can see the argument that my joy in Christ might be “counterfeit” like it is often said of Mormons. Does consciousness of death without conscious of resurrection even qualify as “joy in Christ”?