The problem is that you can use the package
bbold (usepackake{}) which provides different different
characters.
Then the displayed characters are different from the printed one (with
pdflatex).
It does not seem very logical.
===========================================================================
Patrick DUPRÉ | | email: pdu...@gmx.com
Laboratoire de Physico-Chimie de l'Atmosphère | |
Université du Littoral-Côte d'Opale | |
Tel. (33)-(0)3 28 23 76 12 | | Fax: 03 28 65 82 44
189A, avenue Maurice Schumann | | 59140 Dunkerque, France
===========================================================================
> Sent: Wednesday, January 17, 2018 at 4:38 PM
> From: "David L. Johnson" <d...@lehigh.edu>
> To: lyx-users@lists.lyx.org
> Subject: Re: bbold
>
> On 01/17/2018 07:46 AM, Patrick Dupre wrote:
> > Hello,
> >
> > Lyx offers mathbb
> > But il looks like that it does not belong to the package
> > bbold
> > seems this package is not installed.
> >
> > My problem is that the package bbold gives me the symbol that I want (like
> > \mathbb{1})
> > while, that I get by default with lyx is a bizarre symbol.
> The thing to note is that \mathbb{} is only for capital letters. You do
> get strange symbols if you use it on lower-case letters. \mathbb{},
> usually called "blackboard bold" gives a font similar to what we usually
> use on a chalkboard to indicate a bold letter, with doubled line
> segments. Try \mathbb{R} for example.
>
> --
>
> David L. Johnson
> Department of Mathematics
> Lehigh University
>
>
