Responsa for Shabbat 257:7
כדרב עולא בריה דרב עילאי דאמר כל צרכי חולה נעשין ע"י ארמאי בשבת וכדרב המנונא דאמר רב המנונא דבר שאין בו סכנה אומר לנכרי ועושה
we desecrate the Sabbath for her. [From] seven [days], if she says 'I need it,' we desecrate the Sabbath for her; if she says, 'I do not need it,' we do not desecrate the Sabbath for her. [From] thirty days, even if she says, 'I need it,' we may not desecrate the Sabbath for her,<span class="x" onmousemove="('comment',' For she certainly does not need it and is in no danger. ');"><sup>5</sup></span>
Maharach Or Zarua Responsa
R. Hayyim Eliezer corresponded with his son and discussed whether a Jew is permitted to benefit from work that was performed by a Gentile on the Sabbath, or holidays, as well as work done by a Jew on these days under certain extenuating circurastances.
R. Hayyim Eliezer recalls that one time, the winterhouse was once heated by a Gentile on the Sabbath, and his father refused to eat therein. R. Samuel of Falaise in the name of R. Yom Tov permitted one to dwell in a winterhouse that was warmed by a Gentile on the Sabbath. In our city, most of the people rely upon this decision and dwell in winterhouses that are warmed by Gentiles on the Sabbath.
R. Hayyim Eliezer recalls that one time, the winterhouse was once heated by a Gentile on the Sabbath, and his father refused to eat therein. R. Samuel of Falaise in the name of R. Yom Tov permitted one to dwell in a winterhouse that was warmed by a Gentile on the Sabbath. In our city, most of the people rely upon this decision and dwell in winterhouses that are warmed by Gentiles on the Sabbath.
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