At Wed, 13 Mar 2019 12:39:30 -0400, Robert Haas <robertmh...@gmail.com> wrote in <ca+tgmobvgtnwceod_nqojupoyrecxd8xcsp4e2b8sbegvyg...@mail.gmail.com> > On Wed, Mar 13, 2019 at 12:20 AM Kyotaro HORIGUCHI > <horiguchi.kyot...@lab.ntt.co.jp> wrote: > > +Multivariate MCV (most-common values) lists are a straightforward > > extension of > > > > "lists are *a*" is wrong? > > No, that's correct. Not sure exactly what your concern is, but it's > probably related to the fact that the first parent of the sentences > (before "are") is plural and the second part is singular. It does
Exactly, with some doubt on my reading. > seem a little odd that you can say "lists are an extension," mixing > singular and plural, but English lets you do stuff like that. Thank you for the kind explanation. I'm not sure but I understand this as '"lists" is an extension' turned into 'lists are an extension'. That is, the "lists' expresses a concept rather than the plurarilty. (But I haven't got a gut feeling..) regards. -- Kyotaro Horiguchi NTT Open Source Software Center
