On 9/5/24 8:13 AM, johann.pla...@th-deg.de wrote:
Hallo everybody,
I am a new user of Lyx and have three questions:
1. I want to write down the set of positiv real numbers including
zero, which is in mathematical language an R with a superscript (+)
and a subscript (0). In Lyx I can write only a super- or a subscript,
but not both. How can I write a super- and a subscript at once?
As Rich said, this is easy. Just type _ and then enter the subscript;
then use the right arrow to exit the subscript. Then type ^ and enter
the superscript. Note that you can get these from the toolbar, too.
Also, you can enter the usual math symbol for the reals: You can find it
on the toolbar on the submenu headed by the upside down delta. Or you
can enter: \mathbb (math blackboard), then space, then enter "R". Again,
use the arrow keys to exit this environment.
2. I wrote a mathematical definition with a head-line "Difinition of
xxx", followed by the correponding text. I could also generate a box
around my definition. Now I want to draw a line in my box which
separates my head-line from the text. What should I do?
It would help to see an example file that does the part you can do.
3. How can I incorporate a new paket in lyx? I have read that one
should "write ERT LaTeX-Code into the document". But what does this
mean? Please, be very detailed in your answers.
You mean new package?
Riki
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