Chapter: 26 – Ma’aseh Shabbat and Lifnei Iver

01. Principles Behind the Prohibition of Benefiting from Melakha Done on Shabbat

The Torah commands us to refrain from melakha on Shabbat. The Sages added a protective fence by prohibiting deriving benefit from melakha done on Shabbat (ma’aseh Shabbat), as it is improper to benefit on Shabbat from Shabbat desecration. Whether the … Continue reading

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02. The Prohibition of Benefiting from a Melakha Performed on Shabbat

As we have seen, if a Jew knowingly performs a melakha on Shabbat, neither he nor any other Jew may benefit from it during Shabbat. Even if he did the melakha unknowingly, according to most poskim no one may benefit … Continue reading

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03. Cases In Which Deriving Benefit Is Permitted

The prohibition on deriving benefit on Shabbat from the unknowing performance of a melakha applies only to a case of a melakha that is prohibited by Torah law. In contrast, if a rabbinically prohibited action was done unknowingly, one may … Continue reading

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04. Benefiting from an Action That Did Not Alter an Item

Some say that if a melakha did not physically alter an object, like if it was transported from a public domain to a private domain, the item does not become prohibited, and one may benefit from it on Shabbat in … Continue reading

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05. If One Did an Action of Disputed Permissibility

The prohibition on benefiting from a melakha done on Shabbat only applies when the action is clearly prohibited. However, if the action is the subject of dispute, even if general practice follows the stricter opinion, one may benefit be-di’avad from … Continue reading

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06. Power Outages

If there is a power outage, whether local or citywide, Jewish technicians may do what is necessary to restore power to all the area’s residents. This is because many areas have sick people whose lives would be at risk without … Continue reading

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07. Benefiting after Shabbat from a Melakha Performed on Shabbat

As we have learned, one who performs a melakha on Shabbat be-shogeg may benefit from it immediately after Shabbat, as may other Jews. If he transgressed be-mezid, he may never benefit from it, though others may benefit from it after … Continue reading

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08. After Shabbat

Starting half an hour after Shabbat ends, one may listen to news broadcasts produced by Jews, since sufficient time has elapsed for the producers to have collected the material and write the stories after Shabbat. However, one who listens to … Continue reading

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09. Interacting with Non-Observant Jews and Lifnei Iver

The Torah commands: “Do not put a stumbling block before the blind” (Vayikra 19:14), meaning that one may not cause another person to transgress (MT, Laws of a Murderer 12:14). This commandment is known as “lifnei iver” (“before the blind”). … Continue reading

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10. Keeping Websites and Vending Machines Open on Shabbat

If a Jew owns a vending machine, and most of its users are Jewish, he must disable it for Shabbat in order to avoid aiding their desecration of Shabbat. If most of the customers are non-Jews, he need not disable … Continue reading

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