[Iscool]

From the Apostles. He learned direct from the Apostles, who had the authority to preach the Faith to the believers. If they did not have this authority then they could not preach the Gospel as Iraneus said that they did.

The Apostles AND the Disciples had the authority to preach the Gospel...Even this Disciple...

[BenKenobi]

Then why doesn’t Iraneus speak of the Gospel as received from the disciples. He specifically says, the Gospel as received from the Apostles, that they had teaching authority in the Church because they were Apostles.