"ku'a" in the wave lessons

[Pierre Abbat]

"A set made with ku'a contains all the members of set A and those of set B. If
anything is a member of both sets, they are not counted twice." This doesn't
sound right. I thought it contained only what's in both sets.

Pierre
--
li fi'u vu'u fi'u fi'u du li pa

[John E Clifford]

Your summary is so ambiguous pt sounds like one that had official use.

---

From: Pierre Abbat <ph...@bezitopo.org>
To: loj...@googlegroups.com
Sent: Monday, May 20, 2013 1:12 PM
Subject: [lojban] "ku'a" in the wave lessons

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[Betsemes]

On Mon, May 20, 2013 at 2:12 PM, Pierre Abbat <ph...@bezitopo.org> wrote:
> "A set made with ku'a contains all the members of set A and those of set B. If
> anything is a member of both sets, they are not counted twice." This doesn't
> sound right. I thought it contained only what's in both sets.

According to CLL 14.15: "the intersection of two sets is a set
containing all the members that are in both sets". The wave lessons
have it wrong.

mu'o mi'e betsemes

[Ian Johnson]

On Mon, May 20, 2013 at 2:12 PM, Pierre Abbat <ph...@bezitopo.org> wrote:

"A set made with ku'a contains all the members of set A and those of set B. If
anything is a member of both sets, they are not counted twice." This doesn't
sound right. I thought it contained only what's in both sets.

You need to be careful about phrasing: intersection contains the values which are in both sets simultaneously, and only those. That said, I imagine the author(s) just interchanged ku'a and jo'e. Easy mistake, but it should be fixed.

mi'e la latro'a mu'o

[selpa'i]

la latro'a cu cusku di'e

> On Mon, May 20, 2013 at 2:12 PM, Pierre Abbat <ph...@bezitopo.org
> <mailto:ph...@bezitopo.org>> wrote:
>
> "A set made with ku'a contains all the members of set A and those of
> set B. If
> anything is a member of both sets, they are not counted twice." This
> doesn't
> sound right. I thought it contained only what's in both sets.
>
> You need to be careful about phrasing: intersection contains the values
> which are in both sets simultaneously, and only those.

ro da ro de ro di zo'u: da go cmima de ku'a di gi cmima de .e di

mu'o mi'e la selpa'i