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When positive commandments override negative ones, must we still minimize violations through shinui (unusual methods)? The shiur develops two competing interpretations of Reish Lakish's principle from Tosafot, showing that the answer depends on whether the mitzvah (מצוה) can be delayed and whether hiddur mitzvah applies.
This complex shiur analyzes the fundamental principle of Reish Lakish regarding the relationship between positive and negative commandments. The discussion centers on Masechta Shabbos (שבת) 130b and examines when positive commandments (aseh) can override negative commandments (lo sa'aseh). The Ran raises a fundamental question about why one should violate Shabbos to bring circumcision implements in a normal manner when it could be done with a shinui (unusual manner). The Rambam (רמב"ם) rules in Hilchot Shabbos that when there is pikuach nefesh (danger to life), all Shabbos prohibitions are completely overridden without requiring any shinui. The shiur explores two competing interpretations of Reish Lakish's principle. According to one view, presented in Tosafot in Eruvin, the principle allows for sequence - sometimes the negative commandment pushes off the positive commandment entirely, meaning one should wait until tomorrow rather than violate the prohibition. This approach holds that when possible, one should do things in the most efficient way, even if it requires violating Shabbos, because efficiency in mitzvah (מצוה) performance is itself a value.
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Masechta Shabbos 130b
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