Rosh

If one was interrupted during prayer, must one return to the beginning or only to where one left off?

[Agreed with Tosafot's distinction between onес and voluntary delays]

Are tzitzit strings valid if spun by a non-Jew while a Jew stands over him and instructs him to do it lishmah?

Strings spun by a non-Jew are valid when a Jew stands over him and directs the work to be lishmah.

Is it permitted to recite liturgical poems (piyutim) and krovot during the Amidah prayer?

Piyutim may be recited during the Amidah because they constitute communal needs.

What is the authority structure and disagreement regarding the status of lands outside the Land of Israel that need rain in winter?

The custom of asking for rain should follow the climate needs of each place, not the Babylonian cale…

When multiple people are dining together, in what order should they wash their hands — does the most distinguished person wash first or last?

The gadol should wash last, so that there is no gap between his washing and eating (no hefsek and no…

Does speech between netilat yadayim and eating constitute a problematic interruption (hefsek), and how long a delay is problematic?

Any speech after washing — even minimal — constitutes a problematic hefsek and must be avoided.

When non-meal foods (e.g., fruits) are eaten first with bread and again with bread at the end of the meal, do they require a blessing when eaten without bread in between?

If the fruits were originally brought during the meal to accompany bread, and one ate them with brea…

Does saying 'hav lan v'nvarekh' (let us say the blessing) constitute a hefsek ha-da'at (lapse of attention) requiring a new blessing before drinking again?

After 'hav lan v'nvarekh,' eating is treated the same as drinking — a new blessing is required befor…

Does the tzitzit obligation depend on the time of day (day/night) or on the garment's designation (daytime/nighttime garment)?

The obligation depends on the garment's designation: a nighttime garment is exempt from tzitzit even…

According to the Rosh, does a garment designated for both day and night require tzitzit?

A garment designated for both day and nighttime use is obligated in tzitzit, even when worn at night…

If one ate and left the location without blessing, and did so intentionally (b'mezid), must he return to the original location to recite Birkat Hamazon?

Even if negligent (b'shogeg), he should return to his original location and bless l'chatchila. B'die…

In the blessing of the land, should one say 'Who has caused our ancestors to inherit a good, pleasant, and spacious land... Covenant and Torah'?

One should not say 'Who has caused our ancestors to inherit a good, pleasant, and spacious land... C…

In the first blessing, if one said a very abbreviated form mentioning God's name, rulership, and the general subject of nourishment without the full established formula, has one fulfilled the obligation?

One must follow the establishment of the Sages and not deviate from the proper nusach

Is a tallit made for use as burial shrouds exempt from tzitzit even when worn by the living owner during his lifetime?

A garment designated for nighttime (or for the dead) is exempt from tzitzit even when worn during th…

May one recite a blessing (before or after eating) on a forbidden item?

Agrees with the Ra'avad that the Mishnah's prohibition on zimun for forbidden food does not automati…