[Avodah] simple eruv question

[Sholom Simon]

Yes, thank you, I did intend to write gud achis.

Take a bridge that goes over a local road.  Can we say that the side of the
bridge (presuming it is straight) forms a mechitza, and we extend downward
via gud achis?  Or do we say pi tiqra because we treat the bridge like a
roof?  (I think you are explaining this, but I don't fully get it).

(And thanks for repeating your "why" of "halacha vs reality"!)

-- Sholom


On Fri, Oct 23, 2020 at 5:03 PM Micha Berger <micha at aishdas.org> wrote:

> On Fri, Oct 23, 2020 at 12:36:51PM -0400, Sholom Simon via Avodah wrote:
> > What's the difference between "gud asik" and "pi tikra yored v'soseim" ?
>
> A gud asiq "pulling upward" an existing piece of wall that is near the
> floor.
>
> A gud akhis, which is what I think you meant, is "pulling downward" an
> existing piect of wall that is near the top.
>
> Pi tiqra is treating the end of a roof as defining the end of the space,
> thereby implying a wall. So, gud akhis doesn't involve the space being
> covered, and pi tiqra doesn't require the edge of the roof having a
> "lip" for a gud akhis.
>
> I recently answered on FB something about the "why" of all this. Since
> we're touching the subject, I'll see what people here think.
>
> Someone wrote:
>     Has anyone read an article on why halacha operates with concepts
>     outside of physical reality? For example the concepts of lavod,
>     Barayrah, ...? Did surrounding cultures have these ideas (such as
>     (legal) Halachic reality versus objective reality)?
>
> My reply, drawing from a philosphy of halakhah that I posted about
> here repeatedly:
>     I would say, before dealing with your question, that you are looking
>     at the wrong set of realia.
>
>     Halakhah is a tool for refining people. Therefore its "facts" are
>     human experiences, not objective realities. To take your example
>     of lavud: If something is enough of a wall to feel like it defines
>     a space, it defines a space. And if the soul / character shaping
>     experience requires a defined space, feeling like you're "in"
>     something, we wouldn't care about whether or not there is a gap in
>     the wall.
>
> :-)BBii!
> -Micha
>
> --
> Micha Berger                 If a person does not recognize one's own
> worth,
> http://www.aishdas.org/asp   how can he appreciate the worth of another?
> Author: Widen Your Tent                - Rabbi Yaakov Yosef of Polnoye,
> - https://amzn.to/2JRxnDF                author of Toldos Yaakov Yosef
>
>
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