Rif Shabbat 56b {Shabbat 138a continues ... 138b}

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56b

{Shabbat 138a continues}
and if he does he is not culpable, but it is forbidden. However, one must not make a permanent tent, and if he does he is liable to a sin-offering. But a bed, chair, three-legged stool, and a footstool may be set up at the very outset.

"NOR POUR [WINE] THROUGH A SUSPENDED {STRAINER} ON SHABBAT":
It was a question to them: What if one does strain [wine]?
Rav Kahana said: If one strains he incurs a sin-offering.

And on what grounds is he warned {that he is violating}?
Rabba said: On the grounds of selecting {borer}.
And Rabbi Zera said: On the score of sifting.

Rami bar Yechezkel recited: One must not spread a doubled-over sheet,
{Rabbenu Chananel explains: Tent-wise over a pole. the ends being fastened to the ground, so that the whole forms a tent under which he can lie}
yet if he does he is not culpable, but it is forbidden. And if a thread {chut} or a cord {meshicha} was wound about it, it may be spread at the very outset.

To explain, such as a doubled over sheet which is tied between two walls, and it drapes and touches the ground, and he enters between its two ends and sleeps under it, in its shade - and there is not in its roof a handsbreadth - and therefore, it is not reckoned a permanent tent, but rather a temporary tent. And since there is not in its roof a handsbreath, nor within three {=lavud} to its roof a handsbreadth. And therefore he is not liable, yet it is forbidden. And if there were threads from yesterday {before Shabbat}, and he pitches it today {on Shabbat}, it is {entirely} permitted.

Rav Yosef said: I saw the canopy beds of Rav Huna's house stretched out at night and thrown down in the morning.

Rav Kahana said: I saw the canopy beds of Rav Papa's house, and of Rav Huna the son of Rav Yehoshua's house stretched out at night and thrown down in the morning.

Rav cited Rabbi Chiyya: A [door] curtain {vilon} may be hung up and taken down.
To explain vilon, it is a curtain.

And Shmuel cited Rabbi Chiyya:
{Shabbat 138b}
A bridal bed may be set up and it may be dismantled.

Rav Shisha {our gemara: Sheshet} son of Rav Iddi said: A peaked cap {סיאנא} is permitted. {Jastrow: A felt cap with a shade in front.}
To explain, this is a hat that people place on their heads, and it forms a tent on their face {to protect} from the sun.
But it was stated: a peaked cap is forbidden?
There is no difficulty: in the one case it is a handbreadth; in the other it is not a handbreadth.
If so, if one lets his cloak protrude a handbreadth, is he too culpable?
Rather [say] there is no difficulty: here it is tightly fitted [on his head]; there it is not tightly fitted.
{Rashi: and if it blows off he may come to carry it}

Rami bar Yechezkel sent to Rav Huna: Tell us, pray. those well-favoured dicta which you told us [formerly] in Rav's name, two about Shabbat and one about Torah.
He sent [back] to him: As to what was taught {in a brayta}, It is permitted to stretch the leather bag by its thongs, Rav said: They learnt this only of two men; but [if done] by one man, it is forbidden.
Abaye said: But a canopy, even [if stretched] by ten men, is forbidden, [for] it is impossible that it shall not be somewhat stretched.

What is the other [dictum]? This that they learnt {in a brayta}: If one of the shafts of a stove falls off, it [the stove] may be handled; if both [fall off], it may not be handled -- Rav said: Even if one [falls out] it is forbidden, lest he [re]fix it.

And the halacha is like Rav.

'[And one about] Torah' -- what?