And as for 1 Corinthians 15, it says there that we are saved by the gospel, which is the gospel of God that Christ and all his apostles, including Paul preached.
None of the 12, prior to the dbr, ever preached the gospel of Christ, 1 Corinthians 15:1-4 KJV,with the dbr as its foundation, prior to its occurrence-you lied.
Show us where they did.
You won't/cannot.
Go ahead.