Changing Theorem(AMS) in Lyx

Question

I use the theorem(AMS) module in Lyx. If i use the Lemma, Definition etc. enviroment then Lemma for example is written in bold letters. If i use the remark enviroment its in italic. I would like to change it, so that it is in bold as well. How can I do that?

Answer 1

Go to Document --> Settings --> Local Layout, add the below code, click Validate and OK. This will set the Remark style to the same as Lemma. If you want this style for many documents, create a new module as described in How to make "claim" environments look like "theorem" environment?

Style Remark
CopyStyle             Theorem
DependsOn         Theorem
LatexName             rem
LabelString           "Remark \thetheorem."
Font
  Shape               Up
  Size                Normal
EndFont
LabelFont
  Shape                Up
  Series              Italic
EndFont
Preamble
  \theoremstyle{plain}
  \newtheorem{rem}[thm]{\protect\remarkname}
EndPreamble
LangPreamble
  \providecommand{\remarkname}{_(Remark)}
EndLangPreamble
BabelPreamble
  \addto\captions$$lang{\renewcommand{\remarkname}{_(Remark)}}
EndBabelPreamble
End