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    Chapter 2 · Central kushyot & analysis

    Avedah mi-da’at - is it even a "lost" item? (25b)

    Lesson 10 of 24 18 min

    A person deliberately set an item down in an open place, then forgot it. Is that a "lost object" the finder must return? This case challenges the very definition of "aveidah".

    Lesson goals
    • 01Define "avedah mi-da’at" and its source
    • 02Identify Rav Yehuda’s and Shmuel’s positions
    • 03See why the obligation rests on some genuine "loss"
    01

    Building the Definition: What is 'Aveidah'?

    Our journey into the world of lost objects begins by understanding the fundamentals. What makes an item an 'aveidah' that requires return? Not every found item is a lost item.

    בבא מציעא כא ע"א
    מניין שחפץ שיש לו סימנים חייב להכריז עליו? שנאמר: 'והודעת לאחיך'.

    From where do we know that an object with identifying marks must be announced? As it is stated: 'And you shall make it known to your brother' (Deuteronomy 22:2).

    The Torah commands us to return lost objects. But this commandment assumes a genuine 'loss' has occurred. What happens when the owner 'lost' the item intentionally?

    אבידה מדעתAvedah mi-da'at
    An item whose owner placed it in a certain location knowingly, but then forgot it. This is a loss 'with knowledge,' not an accidental loss.
    02

    The Challenge: Is 'Avedah mi-da'at' a Loss at All?

    Here our central question begins. If a person places an item somewhere knowingly, is it considered a 'lost object' in the Torah's sense? Is the finder obligated to return it?

    Kushya

    How can an item intentionally placed be considered lost? The owner knew where he put it! Only afterward did he forget.

    בבא מציעא כה ע"ב
    אמר רב יהודה: אבידה מדעת – אינה אבידה. ושמואל אמר: אבידה מדעת – הרי זו אבידה.

    Rav Yehuda said: An 'avedah mi-da'at' is not an aveidah. And Shmuel said: An 'avedah mi-da'at' is indeed an aveidah.

    Here we encounter a fundamental dispute between Rav Yehuda and Shmuel. This dispute shapes our understanding of the essence of a lost object.

    03

    Decoding the Dispute: Rav Yehuda vs. Shmuel

    1. 1Let's start with Rav Yehuda: He focuses on the initial action. The owner placed the item knowingly. There was no initial 'loss' here.
    2. 2Therefore, according to him, there is no obligation to return it. The finder is not considered 'returning a lost object'.
    3. 3Shmuel, on the other hand, focuses on the outcome. Ultimately, the item is lost to its owner. The owner does not know where it is.
    Insight

    The difference lies in the question: Do we define 'aveidah' by the initial intention of placement, or by the state of the item and owner at the moment of finding?

    Rav Yehuda emphasizes the lack of initial loss. Shmuel emphasizes the ultimate loss. Both build their positions on logical foundations.

    04

    Application and Implications: When and How?

    Understanding this dispute is crucial not only for defining 'aveidah' but also for grasping broader principles in Halakha. Do we focus on intention or outcome?

    Terutz

    Despite their disagreement, both agree that one is obligated to return only when there is some 'loss' from the owner's perspective. The dispute is merely when that loss is considered an 'aveidah' obligating the finder.

    In many cases, Jewish law adopts the more lenient approach. But a deep understanding of both positions allows us to navigate complex situations.

    Vocabulary from the dictionary

    Each word links to the full dictionary entry - source, translation, and grammar.

    Practice

    Life drill: an umbrella left in a café - aveidah? aveidah mi-da’at? Justify.

    Lesson wrap-up

    The mitzva of return expresses responsibility. No real loss - no responsibility.

    Check your understanding

    Test yourself before marking the lesson complete.

    Question 1 of 4

    What is the most accurate definition of 'avedah mi-da'at'?