How to define new environment, using proof-environment
I'm using the package amsthm and I like to define my own proof environment, where the title proof is replaced by Beweis.
So far, I tried
newenvironment{bew}{begin{proof}[textsc{textbf{Beweis:}}]}{end{proof}}
and this works fine. But now I like to improve the environment so that the argument should stay between Beweis and :
For example
begin{bew}[von Theorem 2.1]
Nice proof.
end{bew}
should look like
Beweis von Theorem 2.1: Nice proof.
theorems amsthm
add a comment |
I'm using the package amsthm and I like to define my own proof environment, where the title proof is replaced by Beweis.
So far, I tried
newenvironment{bew}{begin{proof}[textsc{textbf{Beweis:}}]}{end{proof}}
and this works fine. But now I like to improve the environment so that the argument should stay between Beweis and :
For example
begin{bew}[von Theorem 2.1]
Nice proof.
end{bew}
should look like
Beweis von Theorem 2.1: Nice proof.
theorems amsthm
The text "Proof" is provided byproofname
, so all you need to do isrenewcommand{proofname}{Beweis}
. You should be able to change the font too, if you want to.
– barbara beeton
9 hours ago
add a comment |
I'm using the package amsthm and I like to define my own proof environment, where the title proof is replaced by Beweis.
So far, I tried
newenvironment{bew}{begin{proof}[textsc{textbf{Beweis:}}]}{end{proof}}
and this works fine. But now I like to improve the environment so that the argument should stay between Beweis and :
For example
begin{bew}[von Theorem 2.1]
Nice proof.
end{bew}
should look like
Beweis von Theorem 2.1: Nice proof.
theorems amsthm
I'm using the package amsthm and I like to define my own proof environment, where the title proof is replaced by Beweis.
So far, I tried
newenvironment{bew}{begin{proof}[textsc{textbf{Beweis:}}]}{end{proof}}
and this works fine. But now I like to improve the environment so that the argument should stay between Beweis and :
For example
begin{bew}[von Theorem 2.1]
Nice proof.
end{bew}
should look like
Beweis von Theorem 2.1: Nice proof.
theorems amsthm
theorems amsthm
edited 8 hours ago
Bernard
172k775203
172k775203
asked 9 hours ago
Mundron SchmidtMundron Schmidt
1255
1255
The text "Proof" is provided byproofname
, so all you need to do isrenewcommand{proofname}{Beweis}
. You should be able to change the font too, if you want to.
– barbara beeton
9 hours ago
add a comment |
The text "Proof" is provided byproofname
, so all you need to do isrenewcommand{proofname}{Beweis}
. You should be able to change the font too, if you want to.
– barbara beeton
9 hours ago
The text "Proof" is provided by
proofname
, so all you need to do is renewcommand{proofname}{Beweis}
. You should be able to change the font too, if you want to.– barbara beeton
9 hours ago
The text "Proof" is provided by
proofname
, so all you need to do is renewcommand{proofname}{Beweis}
. You should be able to change the font too, if you want to.– barbara beeton
9 hours ago
add a comment |
1 Answer
1
active
oldest
votes
What you need is just changing the period with a colon. Unfortunately, amsmath
hardwires the period, so we need to patch proof
in order to remove the dependency.
The name will switch to “Beweis” as soon as you load babel
with an option for German, usually ngerman
if you adhere to the “neue Rechtschreibung”.
documentclass{article}
usepackage[T1]{fontenc}
usepackage[ngerman]{babel}
usepackage{amsthm}
usepackage{xpatch}
% we need to substitute . with a generic command
xpatchcmd{proof}{.}{proofpunctuation}{}{}
newcommand{proofpunctuation}{:} % change to your liking
begin{document}
begin{proof}
Das ist ein schöner Beweis.
end{proof}
end{document}
The input
begin{proof}[Beweis von Satz 1]
Das ist ein schöner Beweis.
end{proof}
will produce the expected result.
If you prefer boldface, another patch is in order.
documentclass{article}
usepackage[T1]{fontenc}
usepackage[ngerman]{babel}
usepackage{amsthm}
usepackage{xpatch}
% we need to substitute . with a generic command
xpatchcmd{proof}{.}{proofpunctuation}{}{}
xpatchcmd{proof}{itshape}{prooffont}{}{}
newcommand{proofpunctuation}{:}
newcommand{prooffont}{bfseries}
begin{document}
begin{proof}
Das ist ein schöner Beweis.
end{proof}
begin{proof}[Beweis von Satz 1]
Das ist ein schöner Beweis.
end{proof}
end{document}
If your font supports boldface small caps (few fonts do), you can say
newcommand{prooffont}{scshapebfseries}
A syntax such as begin{proof}[von Satz 1]
to automatically supply “Beweis” could be done too, but I'd not do it.
documentclass{article}
usepackage[T1]{fontenc}
usepackage[ngerman]{babel}
usepackage{amsthm}
usepackage{xpatch}
% we need to substitute . with a generic command
xpatchcmd{proof}{.}{proofpunctuation}{}{}
xpatchcmd{proof}{itshape}{prooffont}{}{}
xpatchcmd{proof}{#1}{proofnameifxproofname#1else #1fi}{}{}
newcommand{proofpunctuation}{:}
newcommand{prooffont}{bfseries}
begin{document}
begin{proof}
Das ist ein schöner Beweis.
end{proof}
begin{proof}[von Satz 1]
Das ist ein schöner Beweis.
end{proof}
end{document}
You can also do with a new environment, which avoids patching.
documentclass{article}
usepackage[T1]{fontenc}
usepackage[ngerman]{babel}
usepackage{amsthm}
usepackage{xparse}
NewDocumentEnvironment{bew}{o}
{proof[normalfontbfseriesproofnameIfValueT{#1}{ #1}:]}
{endproof}
begin{document}
begin{bew}
Das ist ein schöner Beweis.
end{bew}
begin{bew}[von Satz 1]
Das ist ein schöner Beweis.
end{bew}
end{document}
I really like your last example, because in that case I don't have to change all my enviroments :-) But begin{bew}[von Satz 1] give Beweis von Satz 1:. Somehow I get a point after the doublepoint.
– Mundron Schmidt
8 hours ago
@MundronSchmidt I can only guess you tampered with space factor codes. This will happen if you set (or a package/class you load does)sfcode`:=1000
. But in that case you would get the period also without the optional argument.
– egreg
8 hours ago
Not sure, because a use copied a lot of code. But in that case I will use the first version. That works well. I thank you!
– Mundron Schmidt
8 hours ago
add a comment |
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What you need is just changing the period with a colon. Unfortunately, amsmath
hardwires the period, so we need to patch proof
in order to remove the dependency.
The name will switch to “Beweis” as soon as you load babel
with an option for German, usually ngerman
if you adhere to the “neue Rechtschreibung”.
documentclass{article}
usepackage[T1]{fontenc}
usepackage[ngerman]{babel}
usepackage{amsthm}
usepackage{xpatch}
% we need to substitute . with a generic command
xpatchcmd{proof}{.}{proofpunctuation}{}{}
newcommand{proofpunctuation}{:} % change to your liking
begin{document}
begin{proof}
Das ist ein schöner Beweis.
end{proof}
end{document}
The input
begin{proof}[Beweis von Satz 1]
Das ist ein schöner Beweis.
end{proof}
will produce the expected result.
If you prefer boldface, another patch is in order.
documentclass{article}
usepackage[T1]{fontenc}
usepackage[ngerman]{babel}
usepackage{amsthm}
usepackage{xpatch}
% we need to substitute . with a generic command
xpatchcmd{proof}{.}{proofpunctuation}{}{}
xpatchcmd{proof}{itshape}{prooffont}{}{}
newcommand{proofpunctuation}{:}
newcommand{prooffont}{bfseries}
begin{document}
begin{proof}
Das ist ein schöner Beweis.
end{proof}
begin{proof}[Beweis von Satz 1]
Das ist ein schöner Beweis.
end{proof}
end{document}
If your font supports boldface small caps (few fonts do), you can say
newcommand{prooffont}{scshapebfseries}
A syntax such as begin{proof}[von Satz 1]
to automatically supply “Beweis” could be done too, but I'd not do it.
documentclass{article}
usepackage[T1]{fontenc}
usepackage[ngerman]{babel}
usepackage{amsthm}
usepackage{xpatch}
% we need to substitute . with a generic command
xpatchcmd{proof}{.}{proofpunctuation}{}{}
xpatchcmd{proof}{itshape}{prooffont}{}{}
xpatchcmd{proof}{#1}{proofnameifxproofname#1else #1fi}{}{}
newcommand{proofpunctuation}{:}
newcommand{prooffont}{bfseries}
begin{document}
begin{proof}
Das ist ein schöner Beweis.
end{proof}
begin{proof}[von Satz 1]
Das ist ein schöner Beweis.
end{proof}
end{document}
You can also do with a new environment, which avoids patching.
documentclass{article}
usepackage[T1]{fontenc}
usepackage[ngerman]{babel}
usepackage{amsthm}
usepackage{xparse}
NewDocumentEnvironment{bew}{o}
{proof[normalfontbfseriesproofnameIfValueT{#1}{ #1}:]}
{endproof}
begin{document}
begin{bew}
Das ist ein schöner Beweis.
end{bew}
begin{bew}[von Satz 1]
Das ist ein schöner Beweis.
end{bew}
end{document}
I really like your last example, because in that case I don't have to change all my enviroments :-) But begin{bew}[von Satz 1] give Beweis von Satz 1:. Somehow I get a point after the doublepoint.
– Mundron Schmidt
8 hours ago
@MundronSchmidt I can only guess you tampered with space factor codes. This will happen if you set (or a package/class you load does)sfcode`:=1000
. But in that case you would get the period also without the optional argument.
– egreg
8 hours ago
Not sure, because a use copied a lot of code. But in that case I will use the first version. That works well. I thank you!
– Mundron Schmidt
8 hours ago
add a comment |
What you need is just changing the period with a colon. Unfortunately, amsmath
hardwires the period, so we need to patch proof
in order to remove the dependency.
The name will switch to “Beweis” as soon as you load babel
with an option for German, usually ngerman
if you adhere to the “neue Rechtschreibung”.
documentclass{article}
usepackage[T1]{fontenc}
usepackage[ngerman]{babel}
usepackage{amsthm}
usepackage{xpatch}
% we need to substitute . with a generic command
xpatchcmd{proof}{.}{proofpunctuation}{}{}
newcommand{proofpunctuation}{:} % change to your liking
begin{document}
begin{proof}
Das ist ein schöner Beweis.
end{proof}
end{document}
The input
begin{proof}[Beweis von Satz 1]
Das ist ein schöner Beweis.
end{proof}
will produce the expected result.
If you prefer boldface, another patch is in order.
documentclass{article}
usepackage[T1]{fontenc}
usepackage[ngerman]{babel}
usepackage{amsthm}
usepackage{xpatch}
% we need to substitute . with a generic command
xpatchcmd{proof}{.}{proofpunctuation}{}{}
xpatchcmd{proof}{itshape}{prooffont}{}{}
newcommand{proofpunctuation}{:}
newcommand{prooffont}{bfseries}
begin{document}
begin{proof}
Das ist ein schöner Beweis.
end{proof}
begin{proof}[Beweis von Satz 1]
Das ist ein schöner Beweis.
end{proof}
end{document}
If your font supports boldface small caps (few fonts do), you can say
newcommand{prooffont}{scshapebfseries}
A syntax such as begin{proof}[von Satz 1]
to automatically supply “Beweis” could be done too, but I'd not do it.
documentclass{article}
usepackage[T1]{fontenc}
usepackage[ngerman]{babel}
usepackage{amsthm}
usepackage{xpatch}
% we need to substitute . with a generic command
xpatchcmd{proof}{.}{proofpunctuation}{}{}
xpatchcmd{proof}{itshape}{prooffont}{}{}
xpatchcmd{proof}{#1}{proofnameifxproofname#1else #1fi}{}{}
newcommand{proofpunctuation}{:}
newcommand{prooffont}{bfseries}
begin{document}
begin{proof}
Das ist ein schöner Beweis.
end{proof}
begin{proof}[von Satz 1]
Das ist ein schöner Beweis.
end{proof}
end{document}
You can also do with a new environment, which avoids patching.
documentclass{article}
usepackage[T1]{fontenc}
usepackage[ngerman]{babel}
usepackage{amsthm}
usepackage{xparse}
NewDocumentEnvironment{bew}{o}
{proof[normalfontbfseriesproofnameIfValueT{#1}{ #1}:]}
{endproof}
begin{document}
begin{bew}
Das ist ein schöner Beweis.
end{bew}
begin{bew}[von Satz 1]
Das ist ein schöner Beweis.
end{bew}
end{document}
I really like your last example, because in that case I don't have to change all my enviroments :-) But begin{bew}[von Satz 1] give Beweis von Satz 1:. Somehow I get a point after the doublepoint.
– Mundron Schmidt
8 hours ago
@MundronSchmidt I can only guess you tampered with space factor codes. This will happen if you set (or a package/class you load does)sfcode`:=1000
. But in that case you would get the period also without the optional argument.
– egreg
8 hours ago
Not sure, because a use copied a lot of code. But in that case I will use the first version. That works well. I thank you!
– Mundron Schmidt
8 hours ago
add a comment |
What you need is just changing the period with a colon. Unfortunately, amsmath
hardwires the period, so we need to patch proof
in order to remove the dependency.
The name will switch to “Beweis” as soon as you load babel
with an option for German, usually ngerman
if you adhere to the “neue Rechtschreibung”.
documentclass{article}
usepackage[T1]{fontenc}
usepackage[ngerman]{babel}
usepackage{amsthm}
usepackage{xpatch}
% we need to substitute . with a generic command
xpatchcmd{proof}{.}{proofpunctuation}{}{}
newcommand{proofpunctuation}{:} % change to your liking
begin{document}
begin{proof}
Das ist ein schöner Beweis.
end{proof}
end{document}
The input
begin{proof}[Beweis von Satz 1]
Das ist ein schöner Beweis.
end{proof}
will produce the expected result.
If you prefer boldface, another patch is in order.
documentclass{article}
usepackage[T1]{fontenc}
usepackage[ngerman]{babel}
usepackage{amsthm}
usepackage{xpatch}
% we need to substitute . with a generic command
xpatchcmd{proof}{.}{proofpunctuation}{}{}
xpatchcmd{proof}{itshape}{prooffont}{}{}
newcommand{proofpunctuation}{:}
newcommand{prooffont}{bfseries}
begin{document}
begin{proof}
Das ist ein schöner Beweis.
end{proof}
begin{proof}[Beweis von Satz 1]
Das ist ein schöner Beweis.
end{proof}
end{document}
If your font supports boldface small caps (few fonts do), you can say
newcommand{prooffont}{scshapebfseries}
A syntax such as begin{proof}[von Satz 1]
to automatically supply “Beweis” could be done too, but I'd not do it.
documentclass{article}
usepackage[T1]{fontenc}
usepackage[ngerman]{babel}
usepackage{amsthm}
usepackage{xpatch}
% we need to substitute . with a generic command
xpatchcmd{proof}{.}{proofpunctuation}{}{}
xpatchcmd{proof}{itshape}{prooffont}{}{}
xpatchcmd{proof}{#1}{proofnameifxproofname#1else #1fi}{}{}
newcommand{proofpunctuation}{:}
newcommand{prooffont}{bfseries}
begin{document}
begin{proof}
Das ist ein schöner Beweis.
end{proof}
begin{proof}[von Satz 1]
Das ist ein schöner Beweis.
end{proof}
end{document}
You can also do with a new environment, which avoids patching.
documentclass{article}
usepackage[T1]{fontenc}
usepackage[ngerman]{babel}
usepackage{amsthm}
usepackage{xparse}
NewDocumentEnvironment{bew}{o}
{proof[normalfontbfseriesproofnameIfValueT{#1}{ #1}:]}
{endproof}
begin{document}
begin{bew}
Das ist ein schöner Beweis.
end{bew}
begin{bew}[von Satz 1]
Das ist ein schöner Beweis.
end{bew}
end{document}
What you need is just changing the period with a colon. Unfortunately, amsmath
hardwires the period, so we need to patch proof
in order to remove the dependency.
The name will switch to “Beweis” as soon as you load babel
with an option for German, usually ngerman
if you adhere to the “neue Rechtschreibung”.
documentclass{article}
usepackage[T1]{fontenc}
usepackage[ngerman]{babel}
usepackage{amsthm}
usepackage{xpatch}
% we need to substitute . with a generic command
xpatchcmd{proof}{.}{proofpunctuation}{}{}
newcommand{proofpunctuation}{:} % change to your liking
begin{document}
begin{proof}
Das ist ein schöner Beweis.
end{proof}
end{document}
The input
begin{proof}[Beweis von Satz 1]
Das ist ein schöner Beweis.
end{proof}
will produce the expected result.
If you prefer boldface, another patch is in order.
documentclass{article}
usepackage[T1]{fontenc}
usepackage[ngerman]{babel}
usepackage{amsthm}
usepackage{xpatch}
% we need to substitute . with a generic command
xpatchcmd{proof}{.}{proofpunctuation}{}{}
xpatchcmd{proof}{itshape}{prooffont}{}{}
newcommand{proofpunctuation}{:}
newcommand{prooffont}{bfseries}
begin{document}
begin{proof}
Das ist ein schöner Beweis.
end{proof}
begin{proof}[Beweis von Satz 1]
Das ist ein schöner Beweis.
end{proof}
end{document}
If your font supports boldface small caps (few fonts do), you can say
newcommand{prooffont}{scshapebfseries}
A syntax such as begin{proof}[von Satz 1]
to automatically supply “Beweis” could be done too, but I'd not do it.
documentclass{article}
usepackage[T1]{fontenc}
usepackage[ngerman]{babel}
usepackage{amsthm}
usepackage{xpatch}
% we need to substitute . with a generic command
xpatchcmd{proof}{.}{proofpunctuation}{}{}
xpatchcmd{proof}{itshape}{prooffont}{}{}
xpatchcmd{proof}{#1}{proofnameifxproofname#1else #1fi}{}{}
newcommand{proofpunctuation}{:}
newcommand{prooffont}{bfseries}
begin{document}
begin{proof}
Das ist ein schöner Beweis.
end{proof}
begin{proof}[von Satz 1]
Das ist ein schöner Beweis.
end{proof}
end{document}
You can also do with a new environment, which avoids patching.
documentclass{article}
usepackage[T1]{fontenc}
usepackage[ngerman]{babel}
usepackage{amsthm}
usepackage{xparse}
NewDocumentEnvironment{bew}{o}
{proof[normalfontbfseriesproofnameIfValueT{#1}{ #1}:]}
{endproof}
begin{document}
begin{bew}
Das ist ein schöner Beweis.
end{bew}
begin{bew}[von Satz 1]
Das ist ein schöner Beweis.
end{bew}
end{document}
edited 9 hours ago
answered 9 hours ago
egregegreg
723k8819173221
723k8819173221
I really like your last example, because in that case I don't have to change all my enviroments :-) But begin{bew}[von Satz 1] give Beweis von Satz 1:. Somehow I get a point after the doublepoint.
– Mundron Schmidt
8 hours ago
@MundronSchmidt I can only guess you tampered with space factor codes. This will happen if you set (or a package/class you load does)sfcode`:=1000
. But in that case you would get the period also without the optional argument.
– egreg
8 hours ago
Not sure, because a use copied a lot of code. But in that case I will use the first version. That works well. I thank you!
– Mundron Schmidt
8 hours ago
add a comment |
I really like your last example, because in that case I don't have to change all my enviroments :-) But begin{bew}[von Satz 1] give Beweis von Satz 1:. Somehow I get a point after the doublepoint.
– Mundron Schmidt
8 hours ago
@MundronSchmidt I can only guess you tampered with space factor codes. This will happen if you set (or a package/class you load does)sfcode`:=1000
. But in that case you would get the period also without the optional argument.
– egreg
8 hours ago
Not sure, because a use copied a lot of code. But in that case I will use the first version. That works well. I thank you!
– Mundron Schmidt
8 hours ago
I really like your last example, because in that case I don't have to change all my enviroments :-) But begin{bew}[von Satz 1] give Beweis von Satz 1:. Somehow I get a point after the doublepoint.
– Mundron Schmidt
8 hours ago
I really like your last example, because in that case I don't have to change all my enviroments :-) But begin{bew}[von Satz 1] give Beweis von Satz 1:. Somehow I get a point after the doublepoint.
– Mundron Schmidt
8 hours ago
@MundronSchmidt I can only guess you tampered with space factor codes. This will happen if you set (or a package/class you load does)
sfcode`:=1000
. But in that case you would get the period also without the optional argument.– egreg
8 hours ago
@MundronSchmidt I can only guess you tampered with space factor codes. This will happen if you set (or a package/class you load does)
sfcode`:=1000
. But in that case you would get the period also without the optional argument.– egreg
8 hours ago
Not sure, because a use copied a lot of code. But in that case I will use the first version. That works well. I thank you!
– Mundron Schmidt
8 hours ago
Not sure, because a use copied a lot of code. But in that case I will use the first version. That works well. I thank you!
– Mundron Schmidt
8 hours ago
add a comment |
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The text "Proof" is provided by
proofname
, so all you need to do isrenewcommand{proofname}{Beweis}
. You should be able to change the font too, if you want to.– barbara beeton
9 hours ago