#\DeclareLyXModule{Standard Theorems}
#\DeclareCategory{Maths}
#DescriptionBegin
#Defines some theorem environments for use with non-AMS classes. By default, 
#the theorems are numbered consecutively throughout the document. This can be
#changed by loading one of the 'Theorems (Numbered by ...)' modules.
#DescriptionEnd
#Excludes: theorems-ams | theorems-ams-bytype | theorems-bytype

# Author: Richard Kimberly Heck <rikiheck@lyx.org>
# Edited sep '22 by Udi Fogiel <udifoglle@gmail.com>

Format 99

Counter theorem
	GuiName Theorem
	LaTeXName thm
End

Input theorems.inc
Input theorems-proof-std.inc

Style Theorem
	Preamble
		\def\lyx@reverse@two#1#2{#2#1}
		\def\lyx@plain{plain}
		\def\lyx@definition{definition}
		\def\lyx@remark{remark}
		\newcommand\theoremstyle[1]{%
			\def\lyx@style{#1}%
			\ifx\lyx@style\lyx@plain
				\def\lyx@headfont{\bfseries}%
				\def\lyx@bodyfont{\itshape}%
			\else
				\ifx\lyx@style\lyx@definition
					\def\lyx@headfont{\bfseries}%
					\def\lyx@bodyfont{\upshape}%
				\else
					\ifx\lyx@style\lyx@remark
						\def\lyx@headfont{\itshape}%
						\def\lyx@bodyfont{\upshape}%
					\fi
				\fi
			\fi
		}
		\def\@xthm#1#2{%
			\@begintheorem{\normalfont\csname lyx@\@firstoftwo#2@headfont\endcsname \@secondoftwo#2}{\begingroup\upshape\csname the#1\endcsname\endgroup.}\normalfont\csname lyx@\@firstoftwo#2@bodyfont\endcsname\ignorespaces
		}
		\def\@ythm#1#2[#3]{%
			\@opargbegintheorem{\normalfont{\csname lyx@\@firstoftwo#2@headfont\endcsname \@secondoftwo#2}}{\begingroup\csname lyx@\@firstoftwo#2@headfont\endcsname\upshape\csname the#1\endcsname\endgroup}{#3\lyx@reverse@two{\begingroup\normalfont\csname lyx@\@firstoftwo#2@headfont\endcsname.\endgroup}}\normalfont\csname lyx@\@firstoftwo#2@bodyfont\endcsname\ignorespaces
		}
		\def\lyx@othm#1[#2]#3{\@othm{#1}[#2]{{#1}{#3}}}
		\def\lyx@nthm#1#2{\@ifnextchar[{\@xnthm{#1}{{#1}{#2}}}{\@ynthm{#1}{{#1}{#2}}}}
		\renewcommand\newtheorem[1]{%
			\expandafter\let\csname lyx@#1@headfont\expandafter\endcsname\lyx@headfont
			\expandafter\let\csname lyx@#1@bodyfont\expandafter\endcsname\lyx@bodyfont
			\@ifnextchar[{\lyx@othm{#1}}{\lyx@nthm{#1}}}
		\newcommand\lyx@starred@newtheorem[2]{\newtheorem{#1}{#2}\expandafter\def\csname the#1\endcsname{\unskip}}
		\newcommand\lyx@reg@newtheorem[2]{\newtheorem{#1}[thm]{#2}}
		\newcommand\lyx@newtheorem{\@ifstar{\lyx@starred@newtheorem}{\lyx@reg@newtheorem}}
		\theoremstyle{plain}
		\newtheorem{thm}{\protect\theoremname}
	EndPreamble
End