I was reading the "A Dictionary of Basic Japanese Grammar" book on the
particles と and や to better understand how they differ and I ended up with a
question that I haven't been able to find the answer for; either in the book
or on the web.

My question is: can the の particle be used to indicate possession (or any of
the other uses it has in joining nouns) for multiple items when you have a
list using と or や? For instance, If I said:

> 学校の校長と看護婦が今来ている。  
>  The school principal and the nurse are coming now.

What I want to understand is if the sentence above indicates that the nurse in
question also works at the school, or if it gives no indication of that, or if
it is ambiguous. Is there some other construction to indicate explicitly that
both the principal and the nurse are from the "school"? What about the other
side of the particle? Would this be correct:

> 私と弟の文書はかばんにあった？  
>  My brother's documents and mine were in the bag.

Or should I write this differently to get this meaning? Also, are the rules
for using や to make an in-exhaustive list any different?
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question
particle-と particle-の
The use of the particle の with a list of objects (や or と)
> 学校の校長と看護婦が今来ている。  
>  Only two people are coming (Other guests may not come).  
>  学校の校長や看護婦が今来ている。  
>  School principals and nurses are also coming now. (Others may come)

But above sentences do not show any other information. But I can guess 「来ている
coming」 is used for guests. Or they do not have any plan to go there (may be a
holiday or day-off), students found them at the school unexpectedly.

You can say for workers at this school. 「いる exist」 or 「戻ってきている return」can be
used.
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> 学校の校長と看護婦が今来ている。

In the end, I would interpret both the school principal and the nurse to be
workers of the school, just because it sounds natural, and I would use such
expression. But I can definitely challenge that and prove wrong, as follows.

* * *

> My question is; can the の particle be used to indicate possession (or any of
> the other uses it has in joining nouns) for multiple items when you have a
> list using と or や?

Yes it can, but depends on the situation.

> For instance, If I said: 学校の校長と看護婦が今来ている。

This is no different from English. Take the following sentence:

**" The nurse and the principal from the school are here with us now"** It can
mean either:

  * The nurse from the school and the principal from the school
  * The nurse NOT from the school and the principal from the school

Technically there may be a rule that takes away the ambiguity, but in real
life I'd say this is subjective.

> What I want to understand is if the sentence above indicates that the nurse
> in question also works at the school, or if it gives no indication of that,
> or if it is ambiguous.

For the above reason, the answer is "it is ambiguous". But there are hints. We
don't really have 看護婦 in most schools. We mostly have a 保健室の先生 :) So this may
be a hint that the 看護婦 is not affiliated with the school. But some schools do
have nurses too, so we can't be sure. And the word 看護婦 can start a whole new
debate in modern society if we start overthinking!

**学校の校長と教頭 (VP or dean) が今来ている**

They're both probably from the school

**学校の校長と警察官 (police officer) が今来ている**

Come on, the cop can't be from the school

> Is there some other construction to indicate explicitly that both the
> principal and the nurse are from the "school"?

Not elegant but explicitly: **学校の校長と学校の看護婦が今来ている。**

> What about the other side of the particle? Would this be correct:
> 私と弟の文書はかばんにあった？ My brother's documents and mine were in the bag.

It would be correct, but only because of common sense. We know that you can't
be found inside a bag. But what is I were to say:

**鉛筆と弟の文書はかばんにあった？**

or say like this:

**鉛筆と、弟の文書はかばんにあった？**

Now this would NOT mean "My brother's documents and pencil's (documents) were
in the bag.", would it? It would mean "My brother's documents and (someone's)
pencil were in the bag".
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answer