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Hilchos Shabbos Siman שי"ט
DAAT · LEVEL 3 — MAGISTERIAL SUMMARY

Siman שי"ט

סימן שי"ט · דִּין הַבּוֹרֵר בְּשַׁבָּת
Recap & mnemonics for review
Magisterial Summary · Hilchos Shabbos · 17 seifim
For memorization and review after Levels 1 & 2

📑 Summary Plan

  1. The central axiom of the siman
  2. Key concepts in brief
  3. Hierarchy of cases
  4. Decision tree
  5. Sorting or eating? — the border of borer
  6. Pitfalls to avoid
  7. Modern practical cases
  8. Final summary table
  9. The practical commandments

1. The Central Axiom

Siman שי"ט in one sentence.
בורר (to select) is one of the 39 melochos — one of the most transgressed through ignorance. Selecting is permitted only if the 3 conditions are met: okhel mitoch psoles (take the good, not the waste) + b'yad (by hand, no instrument) + l'alter (to eat now). If one is missing → assur.

2. Key Concepts in Brief

ConceptDefinitionApplication
בוררTo select — separate the mixedAv melocho, mid'oraisa
אוכל מתוך פסולתTake the good, not the waste1st condition
בידBy hand, without selection tool2nd condition
לאלתרFor immediate consumption3rd condition
בורר לאוצרSorting for storage / laterChayav — even same day

3. Hierarchy of Cases

1. Take the good, by hand, to eat now → permitted (3 conditions met).
↓
2. Take the good, by hand, but for later → assur (borer le-otzar).
↓
3. Take the waste from the good → assur (derech berirah).
↓
4. Sorting with an instrument (sieve, colander) → chayav mid'oraisa, even for now.

4. Decision Tree (the 3-conditions test)

Q1: Am I taking the good (okhel) and not the waste?
↓
Q2: Am I doing it by hand (no sieve, colander)?
↓
Q3: Is it for the meal I'm starting now?
↓
3 YES → permitted. One NO → assur.

5. Sorting or Eating? — the Border of Borer

The most delicate point of the siman isn't the 3-conditions test itself, but knowing how to recognize that one is sorting. Many everyday gestures look like borer without being it, and vice versa. Three criteria draw the line.

a. Sorting presupposes a mixture (ta'aroves)

There is borer only where two things are mixed and one separates them. Taking an apple set next to a banana is not sorting: they are two distinct foods, just neighbors. Likewise, choosing one dish among several dishes on the table is choice, not sorting. Borer begins when good and waste (or two species) are intertwined and an act of separation is needed.

b. One single type is never psoles

When all pieces are of the same species — large and small pieces of the same fruit, thicker and thinner slices — there is neither okhel nor psoles: none is "waste." Choosing the large pieces is therefore permitted, because what's left isn't discarded as undesirable but simply not chosen. Berirah requires duality good / bad, or at least two species being separated.

c. The border with derech achilah

The decisive edge case: peeling a fruit, pitting, removing an egg shell. Removing the peel is "taking the waste from the good" — the very prohibition of borer! The resolution: these gestures are the normal way of eating (derech achilah) and not an act of sorting, on condition they are done for immediate consumption. Peeling an orange to eat right away is permitted; peeling a bag of oranges for later becomes borer le-otzar.

The rule of discernment. Ask yourself: (1) is there a real mixture to untangle? (2) am I dealing with two species / good-and-waste, or one single type? (3) is my act the way of eating or a preparation task? If one of these three is missing, there is no borer — but at the slightest doubt, take the strict view and consult your Rav.

6. Mnemonic "אב"ל"

א — Okhel (אוכל מתוך פסולת) — take the good, not the waste.

ב — B'yad (ביד) — by hand, no selection tool.

ל — L'alter (לאלתר) — to eat now.

— All 3 together = permitted. One missing = assur.

7. Pitfalls to Avoid

Pitfall 1 — Removing the waste: the natural reflex is to remove what one doesn't want. That is precisely the issur! One must take the good, not remove the bad.
Pitfall 2 — Sorting in advance: preparing a sorted plate for the evening meal = borer le-otzar, chayav — even on the same day.
Pitfall 3 — The colander: draining pasta, filtering = selection instrument. Assur mid'oraisa, even for immediate eating.
Pitfall 4 — Fish bones: removing them = removing the waste. Delicate topic — consult a Rav.
Pitfall 5 — Thinking borer only concerns food: sorting also applies to objects (utensils, clothes, toys).

8. Modern Practical Cases

SituationConduct
Choosing from a salad what to eatPermitted (the good, by hand, now)
Removing onions one doesn't likeAssur (removing waste)
Peeling a fruit to eat right awayPermitted (derech achilah)
Draining pasta in a colanderAssur (selection tool) — prepare before Shabbos
Removing a fly from a cupTake it with some liquid around it
Sorting utensils to set the tableTake what one needs now
Picking the large pieces of one same dishPermitted (one type, no berirah)

9. Final Summary Table

ElementDetail
Subject of the simanThe melocho of borer — selecting on Shabbos
Number of seifim17
Mishnah Berurah69 entries
Talmudic sourceShabbos 73a-74a (avos melochos; sugya of sorting)
The 3 conditionsאוכל מתוך פסולת / ביד / לאלתר
MB warning"Many stumble in the prohibition of borer"
Practical decision3-conditions test at every separation; in doubt → Rav

10. The Practical Commandments of Siman שי"ט

Sorting on Shabbos — the checklist

  1. Take the good (okhel), never remove the waste.
  2. By hand, without sieve, colander, or selection tool.
  3. For now (the meal one is starting) — never for later.
  4. All 3 conditions together → permitted; one missing → assur.
  5. Draining / filtering: prepare before Shabbos.
  6. Borer also concerns objects (utensils, clothes).
  7. In doubt (bones, fly) → consult the Rav.
📚 Recap of the Learning Path
You have studied Siman שי"ט in 3 levels:
  • 🌱 Level 1 — Base: the 17 seifim, English translation, halachic concepts
  • ⚡ Level 2 — Lamdan: Talmudic sources, Rishonim's shitos, machlokes, nafka minos
  • ✨ Level 3 — Summary: axiom, mnemonic, decision tree, practical commandments
To go further: Level 4 — Daas HaRav (Alter Rebbe's shitah on Shulchan Aruch HaRav siman שי"ט).
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DAAT · Rav Yosef Chaim Samama

סימן שי"ט · Level 3 — Magisterial Summary
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