Mishneh Torah, Sabbath 25

Sugya Map

• Core Issue: The classification of Muktzeh (set-aside objects) and the parameters of permitted handling (tiltul) on Shabbat.
• Primary Categories:
  • Kli She-melachto Le-heter (Utensils used for permitted purposes).
  • Kli She-melachto Le-issur (Utensils used for forbidden purposes).
  • Muktzeh Machmat Che-sron Kis (Valuable items set aside).
  • Muktzeh Machmat Issur (Items associated with prohibited activity at bein hashmashot).
• Nafka Mina: Whether a utensil’s status is fixed at twilight, the definition of "constructive use" for broken vessels, and the limits of tiltul min ha-tzad (indirect handling).
• Primary Sources: Shabbat 122b-123a, Shabbat 141b-142b, Mishneh Torah, Hilchot Shabbat 25.

Text Snapshot

Rambam, Hilchot Shabbat 25:1: "כלי שמלאכתו להיתר... כגון כוס לשתות בו, קערה לאכול בה, סכין לחתוך בו בשר... וקרדום לפצוע בו אגוזים."

• Leshon Nuance: The term melachto (his/its work) denotes the design or primary function of the object. Note the inclusion of kardom (hatchet/hammer); the Rambam clarifies that while a blacksmith's hammer is typically forbidden (le-issur), if it is designated for a permitted domestic task (cracking nuts), it shifts classification. The dikduk implies that "utility" is not inherent to the object's composition (metal vs. wood) but to the da’at (intent) of the user at the time of the utensil's designation.

Readings

1. The Maggid Mishneh on Muktzeh Machmat Issur

The Maggid Mishneh reconciles the Rambam’s stringency regarding items that were forbidden at the onset of Shabbat (bein hashmashot). He posits that the prohibition is not merely about the object, but about the state of the room at the transition of time. If a lamp was lit at twilight, it is a basis for a forbidden act. Even if the lamp is extinguished later, the "taint" of the forbidden status remains. The chiddush here is the temporal rigidity of muktzeh: the Sabbath is not a series of independent moments, but a singular, defined duration where the status of an object is "locked" at the entry point of the day.

2. Yitzchak Yeranen on the Conflict of Logic

The Yitzchak Yeranen notes a fascinating tension between the Rambam’s Commentary on the Mishnah and the Mishneh Torah. In his earlier work, Rambam explains that the prohibition of a lit lamp is shema yechabeh (lest one extinguish the flame). However, in the Mishneh Torah, he classifies it as muktzeh machmat issur. The Yitzchak Yeranen argues this is not a contradiction but a pedagogical evolution: the Mishneh Torah provides the halachic category (the status of the object), while the Commentary provides the ta’ama (the underlying Rabbinic concern). For us, on this Rosh Chodesh Tamuz, it serves as a reminder that the law often outgrows its original reason—once the Sages decree an object muktzeh, the classification persists even when the original rationale (fear of extinguishing) has passed.

Friction

The Kushya: If a broken vessel is only permitted if it can be used for a constructive purpose (as per Shabbat 123a), how can the Rambam argue that a broken piece of glass serves as a cover for a flask? If the glass was "born" (nolad) on Shabbat, it should be forbidden as a new entity that did not exist at bein hashmashot.

The Terutz: The Maggid Mishneh and later Acharonim suggest that nolad is not a universal category in Rambam’s system. Unlike the Tosafot, who fear the creation of new items, Rambam views the "broken piece" as an extension of the original vessel. The identity of the object is not destroyed by the break; it is merely transformed. As long as it retains the potential to be a vessel (a "cover"), it is not "new," but "repurposed." Thus, the terutz lies in the continuity of the object's utility: the vessel was always a "thing of use," and the break is merely a change in its geometry, not its ontological essence.

Intertext

• Parallel 1: Exodus 16:5 ("And they shall prepare that which they bring"). Rashi (Beitzah 26b) uses this verse to anchor the bein hashmashot rule. Rambam’s focus on the preparedness of the item at the dawn of Shabbat echoes this biblical mandate—the Sabbath requires a readiness of mind that excludes the chaotic, the "unprepared," and the professional.
• Parallel 2: Shulchan Aruch, Orach Chayim 308:2. The SA adopts Rambam’s view on large utensils. Even an unwieldy, heavy object is permitted if it is a "utensil." The friction between the "usability" and the "size" of the object is settled by the status of the object: if it is defined as a tool, its mass is irrelevant to its muktzeh status.

Psak/Practice

In modern practice, the Rambam’s strictness regarding basis (an object becoming forbidden because it supports a forbidden item) governs our handling of tables and drawers. If a smartphone or wallet (forbidden) is left on a table at the start of Shabbat, the table may become a basis for a forbidden item.

Heuristic: Always clear the surface. If one forgets, the Rambam’s insistence on the "status at bein hashmashot" means the table remains forbidden for the duration. However, the lenient practice—when a loss would be incurred—allows for tiltul min ha-tzad (shaking it off). We do not permit ourselves to "negate" the utensil, but we are allowed to "recover" it through indirect movement.

Takeaway

The Sabbath is a day where we govern the material world not by ignoring it, but by defining its purpose; once an object is "set aside" at the threshold of the day, we respect that boundary to preserve the sanctity of the rest.