Kehillah in Corinth I 15:15-17

Orthodox Jewish Bible

¹⁵ Moreover, we are found also to be edei sheker (false witnesses) [SHEMOT 20:16; DEVARIM 19:16-21] misrepresenting Hashem Himself, because we gave solemn edut (testimony 1:6) as in the presence of G-d that Hashem raised Rebbe, Melech HaMoshiach—whom, of course, He did not raise if, as you say, the Mesim are not bemetzius (in fact) raised.

¹⁶ For if the Mesim (Dead persons) have not Techiyah, neither has Rebbe, Melech HaMoshiach had a Techiyah;

¹⁷ And if Rebbe, Melech HaMoshiach has not already had his Techiyah from the Mesim, your emunah is futile, you are still in your averos (sins),