Talmud for Ketubot 55:15

The Greek speakers did not use to do this, but a single person reads the entire portion⁷⁹If the congregation knows no Hebrew, a professional reader will read it for them. Tosephta 3:13.. If one knew the portion he reads it completely. If of seven persons each one knows three verses, they all read⁸⁰Even though the customary reading is longer, if the congregation manages to find among their members three who together can read 21 verses, they can conduct regular services.. If one knows three verses he reads them repeatedly⁸¹If no professional is available, one person may read 3 verses 7 times.. Rebbi Ze`ira in the name of Rav Jeremiah, a slave is counted for the count of seven⁸²Even though he is not counted in a quorum of ten adult males.; “and spoke” is counted as one of three verses⁸³The short verse, the Eternal spoke to Moses as follows, is counted as a full verse of the required three. Babli 21b.. But did not Rebbi Ḥama bar Uqba say in the name of Rebbi Yose ben Rebbi Ḥanina, it is forbidden to teach Torah to one’s slave⁸⁴Babli Ketubot28a.? Explain it if he learned it by himself or that his master taught him like Tabi⁸⁵The slave in Rabban Gamliel’s house for whom the master warranted that he was a moral person..