how to create this gamma symbol

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how to create this gamma symbol



Kindly help me to create this Gamma symbol



Kindly help me to create this Gamma symbol




3 Answers
3



A Gamma is an upside down L:


documentclassarticle
usepackageamssymb,graphicx

newcommandbbGammamathpalettemakebbGammarelax
newcommandmakebbGamma[2]%
raiseboxdepthscalebox1[-1]$mathsurround=0pt#1mathbbL$%


begindocument

$GammabbGamma mathrmLmathbbL$

enddocument



enter image description here





I would never guessed that...
– manooooh
17 mins ago



WARNING: Some long time ago there was some package for this, I do not remember the details. I guess it was somehow related to this thingy. And I cannot really tell you why this was dropped, perhaps this discussion helps you.



Anyway, I kept excerpts of this on my machine and usually do something like this


documentclassarticle
newcommandbbfamilyfontencodingUfontfamilybboldselectfont
DeclareMathAlphabetmathbbUbboldmn
DeclareSymbolFontbboldUbboldmn
SetSymbolFontbboldboldUbboldmn
DeclareMathSymbolbbGammamathordbbold'000
DeclareMathSymbolbbDeltamathordbbold'001
DeclareMathSymbolbbVarThetamathordbbold'002
DeclareMathSymbolbbLambdamathordbbold'003
DeclareMathSymbolbbThetamathordbbold'004
DeclareMathSymbolbbPimathordbbold'005
DeclareMathSymbolbbSigmamathordbbold'006
DeclareMathSymbolbbUpsilonmathordbbold'007
DeclareMathSymbolbbPhimathordbbold'010
DeclareMathSymbolbbPsimathordbbold'011
DeclareMathSymbolbbOmegamathordbbold'012
DeclareMathSymbolbbalphamathordbbold"0B
DeclareMathSymbolbbbetamathordbbold"0C
DeclareMathSymbolbbgammamathordbbold"0D
DeclareMathSymbolbbdeltamathordbbold"0E
DeclareMathSymbolbbespilonmathordbbold"0F
DeclareMathSymbolbbzetamathordbbold"10
DeclareMathSymbolbbetamathordbbold"11
DeclareMathSymbolbbthetamathordbbold"12
DeclareMathSymbolbbiotamathordbbold"13
DeclareMathSymbolbbkappamathordbbold"14
DeclareMathSymbolbblambdamathordbbold"15
DeclareMathSymbolbbmumathordbbold"16
DeclareMathSymbolbbnumathordbbold"17
DeclareMathSymbolbbximathordbbold"18
DeclareMathSymbolbbpimathordbbold"19
DeclareMathSymbolbbrhomathordbbold"1A
DeclareMathSymbolbbsigmamathordbbold"1B
DeclareMathSymbolbbtaumathordbbold"1C
DeclareMathSymbolbbupsilonmathordbbold"1D
DeclareMathSymbolbbphimathordbbold"1E
DeclareMathSymbolbbchimathordbbold"1F
DeclareMathSymbolbbpsimathordbbold"20
DeclareMathSymbolbbomegamathordbbold"7F
DeclareMathSymbolbbellmathordbbold"40
newcommandBBsymbol[1]%
ifcat#1amathbbm#1else
ifx#1GammabbGammafi
ifx#1DeltabbDeltafi
ifx#1VarThetabbVarThetafi
ifx#1LambdabbLambdafi
ifx#1ThetabbThetafi
ifx#1PibbPifi
ifx#1SigmabbSigmafi
ifx#1UpsilonbbUpsilonfi
ifx#1PhibbPhifi
ifx#1PsibbPsifi
ifx#1OmegabbOmegafi
ifx#1alphabbalphafi
ifx#1betabbbetafi
ifx#1gammabbgammafi
ifx#1deltabbdeltafi
ifx#1espilonbbespilonfi
ifx#1zetabbzetafi
ifx#1etabbetafi
ifx#1thetabbthetafi
ifx#1iotabbiotafi
ifx#1kappabbkappafi
ifx#1lambdabblambdafi
ifx#1mubbmufi
ifx#1nubbnufi
ifx#1xibbxifi
ifx#1pibbpifi
ifx#1rhobbrhofi
ifx#1sigmabbsigmafi
ifx#1taubbtaufi
ifx#1upsilonbbupsilonfi
ifx#1phibbphifi
ifx#1chibbchifi
ifx#1psibbpsifi
ifx#1omegabbomegafi
ifx#1ellbbellfi
fi


begindocument
$BBsymbolGammaBBsymbolalpha$
enddocument



enter image description here



And of course the outcome is not as nice as in egreg's answer but here you have double stroke letters for all Greek letters. (And those who feel like they need to shout at me: this post starts with a big disclaimer... ;-)





Just to add: I really do not know why there is no standard package for this, which also provides a non-pixelated versions of the mathbbmC letters which come with the bbm package. By "I really do not know" whether these are legal or technical issues, or nobody feels if this something good to have. At least I would think this would be something good to have, and would be happy to spend some time to make this work. However, I have no idea how to design a font, and perhaps more importantly I do not know anything about the legal issues.
– marmot
8 mins ago


mathbbmC


bbm



You could use the package https://ctan.org/pkg/unicode-math and choose a math font.


documentclassmemoir
usepackageamsmath

usepackageunicode-math
setmathfontAsana Math

begindocument
$BbbGamma mathbbGamma mathbbΓ$
enddocument



enter image description here



EDIT: Applying egreg's solution to another font:


documentclassmemoir
usepackageamsmath
usepackagegraphicx,dsfont

newcommandBbbGammareflectboxrotatebox[origin=c]180$mathds L$

begindocument
$BbbGamma$
enddocument



enter image description here






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