In the file .lyx I found the lines:
\use_package amsmath 1
\use_package amssymb 0
I changed the second line to:
\use_package amssymb 1
and it worked: the graphic symbol trianglequal appears in the generated PDF
file.
These settings correspond, in the dialog Document Settings | Math Options, to:
0: amssymb set to "Do not load"
1: amssymb set to "Load automatically"
Finally, I can set the use of the amssymb package through the LyX interface in
"Document Settings | Math Options".
Thanks for your help
P.S. It remains to be understood the difference between "Load automatically"
and "Load always".
Da: lyx-users <lyx-users-boun...@lists.lyx.org> Per conto di Paul Rubin
Inviato: sabato 22 febbraio 2025 22:03
A: lyx-users@lists.lyx.org
Oggetto: Re: Print symbol \triangleq
On 2/22/25 12:57, Cesare Padovani wrote:
Hi all,
I have a problem with printing the special symbol \triangleq (which is a "="
with a little triangle over it). When printing, it is as if there were no
symbol at all.
Does anyone know how to solve this problem? For now I am using the symbol
\equiv (which is a "=" with three dashes instead of two).
Best regards,
Cesare
First question: do you have the amssymb LaTeX package (amssymb.sty) installed?
Second question: assuming so, does your document preamble contain
"\usepackage{amssymb}"? Paul
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