15:12Now if Christ is preached that he is raised from among the dead, how say some among you that there is not a resurrection of those that are dead?

15:13But if there is not a resurrection of those that are dead, neither is Christ raised:

15:16For if those that are dead are not raised, neither is Christ raised;

15:20(But now Christ is raised from among the dead, first-fruits of those fallen asleep.