How can I define a command that uses round parentheses around its arguments?

The name of the pictureThe name of the pictureThe name of the pictureClash Royale CLAN TAG#URR8PPP











up vote
11
down vote

favorite
2












I defined a command for probability distributions, for example:



usepackageamsmath
usepackagexstring

DeclarePairedDelimiterXRoundBrackets[1]()#1
newcommandp[1]RoundBracketsStrSubstitute[0]#1mid


This can be used as px. However, I would like to use it as p(x|y). Is there some TeX magic to make that possible?










share|improve this question





















  • Please state your question clearly and give a minimal working example!
    – Kuttens
    Aug 19 at 15:07














up vote
11
down vote

favorite
2












I defined a command for probability distributions, for example:



usepackageamsmath
usepackagexstring

DeclarePairedDelimiterXRoundBrackets[1]()#1
newcommandp[1]RoundBracketsStrSubstitute[0]#1mid


This can be used as px. However, I would like to use it as p(x|y). Is there some TeX magic to make that possible?










share|improve this question





















  • Please state your question clearly and give a minimal working example!
    – Kuttens
    Aug 19 at 15:07












up vote
11
down vote

favorite
2









up vote
11
down vote

favorite
2






2





I defined a command for probability distributions, for example:



usepackageamsmath
usepackagexstring

DeclarePairedDelimiterXRoundBrackets[1]()#1
newcommandp[1]RoundBracketsStrSubstitute[0]#1mid


This can be used as px. However, I would like to use it as p(x|y). Is there some TeX magic to make that possible?










share|improve this question













I defined a command for probability distributions, for example:



usepackageamsmath
usepackagexstring

DeclarePairedDelimiterXRoundBrackets[1]()#1
newcommandp[1]RoundBracketsStrSubstitute[0]#1mid


This can be used as px. However, I would like to use it as p(x|y). Is there some TeX magic to make that possible?







macros parentheses






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked Aug 19 at 15:03









danijar

257212




257212











  • Please state your question clearly and give a minimal working example!
    – Kuttens
    Aug 19 at 15:07
















  • Please state your question clearly and give a minimal working example!
    – Kuttens
    Aug 19 at 15:07















Please state your question clearly and give a minimal working example!
– Kuttens
Aug 19 at 15:07




Please state your question clearly and give a minimal working example!
– Kuttens
Aug 19 at 15:07










3 Answers
3






active

oldest

votes

















up vote
15
down vote



accepted










xparse makes defining a macro with a different kind of mandatory argument delimiter requirement fairly easy. Below, r() does just that.



enter image description here



documentclassarticle

usepackagemathtools,xparse,etoolbox

DeclarePairedDelimiterXRoundBrackets[1]()#1

NewDocumentCommandpr r() %
defprArg#1% Capture argument in macro
patchcmdprArgmid% Replace

begindocument

$pr(a|b)$

enddocument


etoolbox is used to replace | with mid.






share|improve this answer




















  • Great, thank you! This also works with mathematical symbols inside the probability distribution that I had problems with earlier. Is there any reason why defining my probability distributions like this would be discouraged?
    – danijar
    Aug 19 at 16:11











  • How would I modify this to pass the symbol in front of the parentheses (p, q , p_theta, etc) into the command? I know I can just write it before the command but it would be easier to see that it belongs together if it were an argument.
    – danijar
    Aug 19 at 16:22






  • 3




    @danijar: Look at this example.
    – Werner
    Aug 19 at 16:29

















up vote
11
down vote













This also supports the usual options for DeclarePairedDelimiter:



documentclassarticle
usepackageamsmath
usepackagexparse
usepackagemleftright

ExplSyntaxOn

NewDocumentCommandpsOr()

IfBooleanTF#1

mleft(
danijar_middlevert:
#3
mright)


group_begin:
danijar_sizedvert:n #2
mathopen#2(
#3
mathclose#2)
group_end:



cs_new_protected:Nn danijar_middlevert:
__danijar_middle:
mathcode`
cs_new_protected:Nn __danijar_middle:

;middlevert;


cs_new_protected:Nn danijar_sizedvert:n
__danijar_mid:
mathcode`
cs_new_protected:Nn __danijar_mid:

mathrell__danijar_size_tlvert


ExplSyntaxOff

begindocument

$p(x) neq p(x|y)$
qquad
$p[big](x) neq p[big](x|y)$
qquad
$p[Big](x) neq p[Big](x|y)$
qquad
$p*(dfracab)neq p*(dfracab|y)$

enddocument


enter image description here



The idea is to locally make | math active, with an appropriate definition, which is ;middlevert; when automatic sizing is declared, or mathrel<size>vert when a manual size is selected.



If you want to add the “P” for “probability”:



documentclassarticle
usepackageamsmath
usepackagexparse
usepackagemleftright

ExplSyntaxOn

NewDocumentCommandpsOr()

operatornameP
IfBooleanTF#1

mleft(
danijar_middlevert:
#3
mright)


group_begin:
danijar_sizedvert:n #2
mathopen#2(
#3
mathclose#2)
group_end:



cs_new_protected:Nn danijar_middlevert:
__danijar_middle:
mathcode`
cs_new_protected:Nn __danijar_middle:

;middlevert;


cs_new_protected:Nn danijar_sizedvert:n
__danijar_mid:
mathcode`
cs_new_protected:Nn __danijar_mid:

mathrell__danijar_size_tlvert


ExplSyntaxOff

begindocument

$p(x) neq p(x|y)$

$p[big](x) neq p[big](x|y)$

$p[Big](x) neq p[Big](x|y)$

$p*(dfracab)neq p*(dfracab|y)$

enddocument


enter image description here






share|improve this answer






















  • Wow, that's amazing. It's a bit more than what I need right now, but if I need symbols of vastly different height inside the parentheses I can go back here and replace the macro with this one.
    – danijar
    Aug 19 at 16:24

















up vote
9
down vote













Probably @Werner's answer is the way to go (robust and easily modified), but in this case, plain TeX also seems to work:



documentclassarticle

defpr(#1|#2)(#1 mid #2)

begindocument

$pr(a|b)$
$pr(a_r|b^2)$

enddocument


resulting output






share|improve this answer
















  • 2




    This makes the use of | also mandatory (for conditional probability), which might not be the case in general. You'll have to update the definition of pr to accommodate for that conditional use.
    – Werner
    Aug 19 at 15:40










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3 Answers
3






active

oldest

votes








3 Answers
3






active

oldest

votes









active

oldest

votes






active

oldest

votes








up vote
15
down vote



accepted










xparse makes defining a macro with a different kind of mandatory argument delimiter requirement fairly easy. Below, r() does just that.



enter image description here



documentclassarticle

usepackagemathtools,xparse,etoolbox

DeclarePairedDelimiterXRoundBrackets[1]()#1

NewDocumentCommandpr r() %
defprArg#1% Capture argument in macro
patchcmdprArgmid% Replace

begindocument

$pr(a|b)$

enddocument


etoolbox is used to replace | with mid.






share|improve this answer




















  • Great, thank you! This also works with mathematical symbols inside the probability distribution that I had problems with earlier. Is there any reason why defining my probability distributions like this would be discouraged?
    – danijar
    Aug 19 at 16:11











  • How would I modify this to pass the symbol in front of the parentheses (p, q , p_theta, etc) into the command? I know I can just write it before the command but it would be easier to see that it belongs together if it were an argument.
    – danijar
    Aug 19 at 16:22






  • 3




    @danijar: Look at this example.
    – Werner
    Aug 19 at 16:29














up vote
15
down vote



accepted










xparse makes defining a macro with a different kind of mandatory argument delimiter requirement fairly easy. Below, r() does just that.



enter image description here



documentclassarticle

usepackagemathtools,xparse,etoolbox

DeclarePairedDelimiterXRoundBrackets[1]()#1

NewDocumentCommandpr r() %
defprArg#1% Capture argument in macro
patchcmdprArgmid% Replace

begindocument

$pr(a|b)$

enddocument


etoolbox is used to replace | with mid.






share|improve this answer




















  • Great, thank you! This also works with mathematical symbols inside the probability distribution that I had problems with earlier. Is there any reason why defining my probability distributions like this would be discouraged?
    – danijar
    Aug 19 at 16:11











  • How would I modify this to pass the symbol in front of the parentheses (p, q , p_theta, etc) into the command? I know I can just write it before the command but it would be easier to see that it belongs together if it were an argument.
    – danijar
    Aug 19 at 16:22






  • 3




    @danijar: Look at this example.
    – Werner
    Aug 19 at 16:29












up vote
15
down vote



accepted







up vote
15
down vote



accepted






xparse makes defining a macro with a different kind of mandatory argument delimiter requirement fairly easy. Below, r() does just that.



enter image description here



documentclassarticle

usepackagemathtools,xparse,etoolbox

DeclarePairedDelimiterXRoundBrackets[1]()#1

NewDocumentCommandpr r() %
defprArg#1% Capture argument in macro
patchcmdprArgmid% Replace

begindocument

$pr(a|b)$

enddocument


etoolbox is used to replace | with mid.






share|improve this answer












xparse makes defining a macro with a different kind of mandatory argument delimiter requirement fairly easy. Below, r() does just that.



enter image description here



documentclassarticle

usepackagemathtools,xparse,etoolbox

DeclarePairedDelimiterXRoundBrackets[1]()#1

NewDocumentCommandpr r() %
defprArg#1% Capture argument in macro
patchcmdprArgmid% Replace

begindocument

$pr(a|b)$

enddocument


etoolbox is used to replace | with mid.







share|improve this answer












share|improve this answer



share|improve this answer










answered Aug 19 at 15:16









Werner

421k589171588




421k589171588











  • Great, thank you! This also works with mathematical symbols inside the probability distribution that I had problems with earlier. Is there any reason why defining my probability distributions like this would be discouraged?
    – danijar
    Aug 19 at 16:11











  • How would I modify this to pass the symbol in front of the parentheses (p, q , p_theta, etc) into the command? I know I can just write it before the command but it would be easier to see that it belongs together if it were an argument.
    – danijar
    Aug 19 at 16:22






  • 3




    @danijar: Look at this example.
    – Werner
    Aug 19 at 16:29
















  • Great, thank you! This also works with mathematical symbols inside the probability distribution that I had problems with earlier. Is there any reason why defining my probability distributions like this would be discouraged?
    – danijar
    Aug 19 at 16:11











  • How would I modify this to pass the symbol in front of the parentheses (p, q , p_theta, etc) into the command? I know I can just write it before the command but it would be easier to see that it belongs together if it were an argument.
    – danijar
    Aug 19 at 16:22






  • 3




    @danijar: Look at this example.
    – Werner
    Aug 19 at 16:29















Great, thank you! This also works with mathematical symbols inside the probability distribution that I had problems with earlier. Is there any reason why defining my probability distributions like this would be discouraged?
– danijar
Aug 19 at 16:11





Great, thank you! This also works with mathematical symbols inside the probability distribution that I had problems with earlier. Is there any reason why defining my probability distributions like this would be discouraged?
– danijar
Aug 19 at 16:11













How would I modify this to pass the symbol in front of the parentheses (p, q , p_theta, etc) into the command? I know I can just write it before the command but it would be easier to see that it belongs together if it were an argument.
– danijar
Aug 19 at 16:22




How would I modify this to pass the symbol in front of the parentheses (p, q , p_theta, etc) into the command? I know I can just write it before the command but it would be easier to see that it belongs together if it were an argument.
– danijar
Aug 19 at 16:22




3




3




@danijar: Look at this example.
– Werner
Aug 19 at 16:29




@danijar: Look at this example.
– Werner
Aug 19 at 16:29










up vote
11
down vote













This also supports the usual options for DeclarePairedDelimiter:



documentclassarticle
usepackageamsmath
usepackagexparse
usepackagemleftright

ExplSyntaxOn

NewDocumentCommandpsOr()

IfBooleanTF#1

mleft(
danijar_middlevert:
#3
mright)


group_begin:
danijar_sizedvert:n #2
mathopen#2(
#3
mathclose#2)
group_end:



cs_new_protected:Nn danijar_middlevert:
__danijar_middle:
mathcode`
cs_new_protected:Nn __danijar_middle:

;middlevert;


cs_new_protected:Nn danijar_sizedvert:n
__danijar_mid:
mathcode`
cs_new_protected:Nn __danijar_mid:

mathrell__danijar_size_tlvert


ExplSyntaxOff

begindocument

$p(x) neq p(x|y)$
qquad
$p[big](x) neq p[big](x|y)$
qquad
$p[Big](x) neq p[Big](x|y)$
qquad
$p*(dfracab)neq p*(dfracab|y)$

enddocument


enter image description here



The idea is to locally make | math active, with an appropriate definition, which is ;middlevert; when automatic sizing is declared, or mathrel<size>vert when a manual size is selected.



If you want to add the “P” for “probability”:



documentclassarticle
usepackageamsmath
usepackagexparse
usepackagemleftright

ExplSyntaxOn

NewDocumentCommandpsOr()

operatornameP
IfBooleanTF#1

mleft(
danijar_middlevert:
#3
mright)


group_begin:
danijar_sizedvert:n #2
mathopen#2(
#3
mathclose#2)
group_end:



cs_new_protected:Nn danijar_middlevert:
__danijar_middle:
mathcode`
cs_new_protected:Nn __danijar_middle:

;middlevert;


cs_new_protected:Nn danijar_sizedvert:n
__danijar_mid:
mathcode`
cs_new_protected:Nn __danijar_mid:

mathrell__danijar_size_tlvert


ExplSyntaxOff

begindocument

$p(x) neq p(x|y)$

$p[big](x) neq p[big](x|y)$

$p[Big](x) neq p[Big](x|y)$

$p*(dfracab)neq p*(dfracab|y)$

enddocument


enter image description here






share|improve this answer






















  • Wow, that's amazing. It's a bit more than what I need right now, but if I need symbols of vastly different height inside the parentheses I can go back here and replace the macro with this one.
    – danijar
    Aug 19 at 16:24














up vote
11
down vote













This also supports the usual options for DeclarePairedDelimiter:



documentclassarticle
usepackageamsmath
usepackagexparse
usepackagemleftright

ExplSyntaxOn

NewDocumentCommandpsOr()

IfBooleanTF#1

mleft(
danijar_middlevert:
#3
mright)


group_begin:
danijar_sizedvert:n #2
mathopen#2(
#3
mathclose#2)
group_end:



cs_new_protected:Nn danijar_middlevert:
__danijar_middle:
mathcode`
cs_new_protected:Nn __danijar_middle:

;middlevert;


cs_new_protected:Nn danijar_sizedvert:n
__danijar_mid:
mathcode`
cs_new_protected:Nn __danijar_mid:

mathrell__danijar_size_tlvert


ExplSyntaxOff

begindocument

$p(x) neq p(x|y)$
qquad
$p[big](x) neq p[big](x|y)$
qquad
$p[Big](x) neq p[Big](x|y)$
qquad
$p*(dfracab)neq p*(dfracab|y)$

enddocument


enter image description here



The idea is to locally make | math active, with an appropriate definition, which is ;middlevert; when automatic sizing is declared, or mathrel<size>vert when a manual size is selected.



If you want to add the “P” for “probability”:



documentclassarticle
usepackageamsmath
usepackagexparse
usepackagemleftright

ExplSyntaxOn

NewDocumentCommandpsOr()

operatornameP
IfBooleanTF#1

mleft(
danijar_middlevert:
#3
mright)


group_begin:
danijar_sizedvert:n #2
mathopen#2(
#3
mathclose#2)
group_end:



cs_new_protected:Nn danijar_middlevert:
__danijar_middle:
mathcode`
cs_new_protected:Nn __danijar_middle:

;middlevert;


cs_new_protected:Nn danijar_sizedvert:n
__danijar_mid:
mathcode`
cs_new_protected:Nn __danijar_mid:

mathrell__danijar_size_tlvert


ExplSyntaxOff

begindocument

$p(x) neq p(x|y)$

$p[big](x) neq p[big](x|y)$

$p[Big](x) neq p[Big](x|y)$

$p*(dfracab)neq p*(dfracab|y)$

enddocument


enter image description here






share|improve this answer






















  • Wow, that's amazing. It's a bit more than what I need right now, but if I need symbols of vastly different height inside the parentheses I can go back here and replace the macro with this one.
    – danijar
    Aug 19 at 16:24












up vote
11
down vote










up vote
11
down vote









This also supports the usual options for DeclarePairedDelimiter:



documentclassarticle
usepackageamsmath
usepackagexparse
usepackagemleftright

ExplSyntaxOn

NewDocumentCommandpsOr()

IfBooleanTF#1

mleft(
danijar_middlevert:
#3
mright)


group_begin:
danijar_sizedvert:n #2
mathopen#2(
#3
mathclose#2)
group_end:



cs_new_protected:Nn danijar_middlevert:
__danijar_middle:
mathcode`
cs_new_protected:Nn __danijar_middle:

;middlevert;


cs_new_protected:Nn danijar_sizedvert:n
__danijar_mid:
mathcode`
cs_new_protected:Nn __danijar_mid:

mathrell__danijar_size_tlvert


ExplSyntaxOff

begindocument

$p(x) neq p(x|y)$
qquad
$p[big](x) neq p[big](x|y)$
qquad
$p[Big](x) neq p[Big](x|y)$
qquad
$p*(dfracab)neq p*(dfracab|y)$

enddocument


enter image description here



The idea is to locally make | math active, with an appropriate definition, which is ;middlevert; when automatic sizing is declared, or mathrel<size>vert when a manual size is selected.



If you want to add the “P” for “probability”:



documentclassarticle
usepackageamsmath
usepackagexparse
usepackagemleftright

ExplSyntaxOn

NewDocumentCommandpsOr()

operatornameP
IfBooleanTF#1

mleft(
danijar_middlevert:
#3
mright)


group_begin:
danijar_sizedvert:n #2
mathopen#2(
#3
mathclose#2)
group_end:



cs_new_protected:Nn danijar_middlevert:
__danijar_middle:
mathcode`
cs_new_protected:Nn __danijar_middle:

;middlevert;


cs_new_protected:Nn danijar_sizedvert:n
__danijar_mid:
mathcode`
cs_new_protected:Nn __danijar_mid:

mathrell__danijar_size_tlvert


ExplSyntaxOff

begindocument

$p(x) neq p(x|y)$

$p[big](x) neq p[big](x|y)$

$p[Big](x) neq p[Big](x|y)$

$p*(dfracab)neq p*(dfracab|y)$

enddocument


enter image description here






share|improve this answer














This also supports the usual options for DeclarePairedDelimiter:



documentclassarticle
usepackageamsmath
usepackagexparse
usepackagemleftright

ExplSyntaxOn

NewDocumentCommandpsOr()

IfBooleanTF#1

mleft(
danijar_middlevert:
#3
mright)


group_begin:
danijar_sizedvert:n #2
mathopen#2(
#3
mathclose#2)
group_end:



cs_new_protected:Nn danijar_middlevert:
__danijar_middle:
mathcode`
cs_new_protected:Nn __danijar_middle:

;middlevert;


cs_new_protected:Nn danijar_sizedvert:n
__danijar_mid:
mathcode`
cs_new_protected:Nn __danijar_mid:

mathrell__danijar_size_tlvert


ExplSyntaxOff

begindocument

$p(x) neq p(x|y)$
qquad
$p[big](x) neq p[big](x|y)$
qquad
$p[Big](x) neq p[Big](x|y)$
qquad
$p*(dfracab)neq p*(dfracab|y)$

enddocument


enter image description here



The idea is to locally make | math active, with an appropriate definition, which is ;middlevert; when automatic sizing is declared, or mathrel<size>vert when a manual size is selected.



If you want to add the “P” for “probability”:



documentclassarticle
usepackageamsmath
usepackagexparse
usepackagemleftright

ExplSyntaxOn

NewDocumentCommandpsOr()

operatornameP
IfBooleanTF#1

mleft(
danijar_middlevert:
#3
mright)


group_begin:
danijar_sizedvert:n #2
mathopen#2(
#3
mathclose#2)
group_end:



cs_new_protected:Nn danijar_middlevert:
__danijar_middle:
mathcode`
cs_new_protected:Nn __danijar_middle:

;middlevert;


cs_new_protected:Nn danijar_sizedvert:n
__danijar_mid:
mathcode`
cs_new_protected:Nn __danijar_mid:

mathrell__danijar_size_tlvert


ExplSyntaxOff

begindocument

$p(x) neq p(x|y)$

$p[big](x) neq p[big](x|y)$

$p[Big](x) neq p[Big](x|y)$

$p*(dfracab)neq p*(dfracab|y)$

enddocument


enter image description here







share|improve this answer














share|improve this answer



share|improve this answer








edited Aug 19 at 16:17

























answered Aug 19 at 16:12









egreg

683k8418203066




683k8418203066











  • Wow, that's amazing. It's a bit more than what I need right now, but if I need symbols of vastly different height inside the parentheses I can go back here and replace the macro with this one.
    – danijar
    Aug 19 at 16:24
















  • Wow, that's amazing. It's a bit more than what I need right now, but if I need symbols of vastly different height inside the parentheses I can go back here and replace the macro with this one.
    – danijar
    Aug 19 at 16:24















Wow, that's amazing. It's a bit more than what I need right now, but if I need symbols of vastly different height inside the parentheses I can go back here and replace the macro with this one.
– danijar
Aug 19 at 16:24




Wow, that's amazing. It's a bit more than what I need right now, but if I need symbols of vastly different height inside the parentheses I can go back here and replace the macro with this one.
– danijar
Aug 19 at 16:24










up vote
9
down vote













Probably @Werner's answer is the way to go (robust and easily modified), but in this case, plain TeX also seems to work:



documentclassarticle

defpr(#1|#2)(#1 mid #2)

begindocument

$pr(a|b)$
$pr(a_r|b^2)$

enddocument


resulting output






share|improve this answer
















  • 2




    This makes the use of | also mandatory (for conditional probability), which might not be the case in general. You'll have to update the definition of pr to accommodate for that conditional use.
    – Werner
    Aug 19 at 15:40














up vote
9
down vote













Probably @Werner's answer is the way to go (robust and easily modified), but in this case, plain TeX also seems to work:



documentclassarticle

defpr(#1|#2)(#1 mid #2)

begindocument

$pr(a|b)$
$pr(a_r|b^2)$

enddocument


resulting output






share|improve this answer
















  • 2




    This makes the use of | also mandatory (for conditional probability), which might not be the case in general. You'll have to update the definition of pr to accommodate for that conditional use.
    – Werner
    Aug 19 at 15:40












up vote
9
down vote










up vote
9
down vote









Probably @Werner's answer is the way to go (robust and easily modified), but in this case, plain TeX also seems to work:



documentclassarticle

defpr(#1|#2)(#1 mid #2)

begindocument

$pr(a|b)$
$pr(a_r|b^2)$

enddocument


resulting output






share|improve this answer












Probably @Werner's answer is the way to go (robust and easily modified), but in this case, plain TeX also seems to work:



documentclassarticle

defpr(#1|#2)(#1 mid #2)

begindocument

$pr(a|b)$
$pr(a_r|b^2)$

enddocument


resulting output







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share|improve this answer










answered Aug 19 at 15:33









Rmano

6,97121446




6,97121446







  • 2




    This makes the use of | also mandatory (for conditional probability), which might not be the case in general. You'll have to update the definition of pr to accommodate for that conditional use.
    – Werner
    Aug 19 at 15:40












  • 2




    This makes the use of | also mandatory (for conditional probability), which might not be the case in general. You'll have to update the definition of pr to accommodate for that conditional use.
    – Werner
    Aug 19 at 15:40







2




2




This makes the use of | also mandatory (for conditional probability), which might not be the case in general. You'll have to update the definition of pr to accommodate for that conditional use.
– Werner
Aug 19 at 15:40




This makes the use of | also mandatory (for conditional probability), which might not be the case in general. You'll have to update the definition of pr to accommodate for that conditional use.
– Werner
Aug 19 at 15:40

















 

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