Eph 4:21 | PNT | STEP | If so be that ye have heard him, and have been taught by him . This does not express a doubt that they had heard and been taught by Christ. The idea is: If ye have heard, etc., as I know you have, you have been taught the truth in Jesus.

Ephesians 4:21

If so be that ye have heard him, and have been taught by him. This does not express a doubt that they had heard and been taught by Christ. The idea is: If ye have heard, etc., as I know you have, you have been taught the truth in Jesus.