Study Pesachim folio 55A with parallel Hebrew-English text, traditional commentary, and modern study tools. Free access to Babylonian Talmud online.
The tanna is teaching a series of leniencies. He taught only those aspects in which the 9th of Av is more lenient than a communal fast. He did not teach those aspects in which it is more stringent. There was no attempt made to enumerate all the differences.
It was stated in the Mishnah: And in all places Torah scholars are idle and do not perform labor on the 9th of Av, and according to Rabban Shimon ben Gamliel one should always conduct himself like a Torah scholar in this regard and refrain from performing labor. The Talmud asks: Is that to say that
R' Yoḥanan said: The attribution of the opinions is reversed in one of the sources. Rav Sheisha, son of Rav Idi, said: Do not reverse either text, as it is possible to resolve the difficulty in another manner. The contradiction between the statement of the Rabbis here and the statement of the Rabbis
Similarly, the contradiction between the statement of Rabban Shimon ben Gamliel here and the statement of Rabban Shimon ben Gamliel there is not difficult. There, in the case of reciting Shema on one’s wedding night, it is that we require concentration, and it is clear to all that he is unable to c
Mishnah: Apropos the discussion of performing labor on Passover eve, differences in other customs were cited. And the Rabbis say: In Judea, people would perform labor on Passover eves until midday, and in the Galilee people would not perform labor on Passover eve at all. With regard to performing