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Curated Torah sources across every topic, from classical texts to contemporary responsa.
Milk Utensils After Meat Dishwasher Contact
Sources addressing when utensils that absorbed one category of food (milk or meat) may be used for the opposite category after exposure to hot water or washing cycles. The determination hinges on factors including heat intensity, time elapsed, residual fat, and the status of the vessel involved.
קערות של בשר שהודחו ביורה חולבת בחמין
Dina Demalchuta Dina and Secular Tax Law
Sources address whether Jewish law recognizes and obligates compliance with secular tax laws established by non-Jewish governments. The sources trace the principle from Talmudic teachings through medieval codifications, exploring the theological and legal basis for honoring state-imposed financial obligations.
דִּינָא דְמַלְכוּתָא דִּינָא
Dina Demalchuta Dina and Government Taxation
Sources examine whether the halachic principle of dina demalchuta dina—the law of the land is binding—grants halachic force to taxes imposed by the governing authority. The sources discuss the conditions under which governmental taxation is enforceable under Jewish law, including distinctions between arbitrary and fixed levies.
דִּינָא דְמַלְכוּתָא דִּינָא
Publicizing a Found Wallet: Obligations and Methods
Jewish law requires a finder of a lost item to make efforts to return it to its owner. Sources outline when and how a finder must publicize a find, particularly for identifiable items like a wallet, and describe the progression of announcement methods developed by the Sages.
כיצד המוצא מציאה במקום שישראל מצוים שם חייב להכריז
Liability for Fire Damage to a Neighbor's Field
These sources establish the halakhic principles governing financial responsibility when fire spreads from one person's property and damages a neighbor's field or crops. They address the owner's liability for unintentional damage, the basis for such liability in Torah, and the distinction between ordinary and extraordinary circumstances.
שלם ישלם המבער את הבערה
Chalav Akum: The Rabbinic Decree and Supervision
These sources examine the rabbinic prohibition against milk produced by non-Jews without Jewish supervision, tracing the halakhic reasoning from the Talmud through the classical codes and later responsa. They explore the concerns underlying the gezeirah, how supervision addresses them, and applications to modern dairy production.
שמא עירב בו חלב טמא
Women's Immersion and Shabbat Eve Timing
Sources discuss the halakhic parameters governing when women should immerse in the mikvah, particularly regarding immersion on Shabbat eve and the relationship between the obligation to immerse promptly and the constraints of Shabbat.
מצוה לטבול בזמנה שלא לבטל מפריה ורביה
Mikvah Immersion on Erev Shabbat
Sources address the permissibility and halakhic considerations for women to immerse in the mikvah on the eve of Shabbat, including the obligation to immerse when a husband is present and practical circumstances that may affect timing.
ומותרת לטבול ליל שבת אם לא יכלה לטבול קודם לכן
The Status of Yayin Nesech in Contemporary Practice
Sources examine whether the prohibition against yayin nesech (wine poured as a libation to idols) remains binding in halakhah, or whether it has been suspended or nullified under certain conditions. The sources address both the theoretical basis of the prohibition and its practical application in different contexts.
בזמן הזה שאינו שכיח שהאומות מנסכים
Instrumental Music in the Synagogue
Poskim discuss the prohibition on playing musical instruments in the synagogue, grounding the restriction in laws of mourning for the destruction of the Temple and the requirement to maintain reverence and proper conduct within the sanctuary. The sources address which instruments are forbidden and under what circumstances.
שלא לנגן בכלי שיר וכל מיני זמר
Halakhic Perspectives on Health Hazards
These sources establish the halakhic obligation to guard against danger to life and remove hazards, drawing on biblical commandments, Talmudic principles, and medieval and later codifications. They form the foundation for evaluating whether activities that pose health risks—such as smoking—are permitted under Jewish law.
וְנִשְׁמַרְתֶּם מְאֹד לְנַפְשֹׁתֵיכֶם
Answering Amen to Blessings Through Electronic Mediation
Sources addressing whether one may answer amen to a blessing heard indirectly through a microphone, telephone, or other intervening medium. The sources examine the halakhic requirements for hearing a beracha and the validity of responses when sound is mediated rather than direct.
אִם קוֹל שׁוֹפָר שָׁמַע — יָצָא