Re: [NTG-context] Symbol join of \ll and equal

2009-06-15 Thread Xan

En/na Xan ha escrit:

Hi,

I just want to know if there is a symbol that join \ll and = like \leq 
joins  and =. If not, it's possible to make that symbol (that has 
 in upper and - in bottom; like \leq but with two )?


Thanks in advance,
Xan.

PS: In The not so short introduction to latex there is no such symbol. 
Maybe in ConTeXt



Joel, Thanks a lot.
I searched a symbol for f \symbol g iff for large x f(x)  g(x). 
What's the most adequate symbol here?


Thanks,
Please, CCme.
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[NTG-context] Symbol join of \ll and equal

2009-06-14 Thread Xan

Hi,

I just want to know if there is a symbol that join \ll and = like \leq 
joins  and =. If not, it's possible to make that symbol (that has  
in upper and - in bottom; like \leq but with two )?


Thanks in advance,
Xan.

PS: In The not so short introduction to latex there is no such symbol. 
Maybe in ConTeXt

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Re: [NTG-context] Symbol join of \ll and equal

2009-06-14 Thread Joel C. Salomon
Xan wrote:
 I just want to know if there is a symbol that join \ll and = like \leq
 joins  and =. If not, it's possible to make that symbol (that has 
 in upper and - in bottom; like \leq but with two )?

No doubt you _could_ define such a symbol, but what is the meaning of
it?  The statement “a ≪ b” means a is _much_ less than b; i.e., not
anywhere near b, let alone _equal_ to b.

—Joel Salomon
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Re: [NTG-context] Symbol join of \ll and equal

2009-06-14 Thread Joel C. Salomon
Joel C. Salomon wrote:
 Xan wrote:
 I just want to know if there is a symbol that join \ll and = like \leq
 joins  and =. If not, it's possible to make that symbol (that has 
 in upper and - in bottom; like \leq but with two )?
 
 No doubt you _could_ define such a symbol, but what is the meaning of
 it?  The statement “a ≪ b” means a is _much_ less than b; i.e., not
 anywhere near b, let alone _equal_ to b.

B.T.W., I don’t see this in the Comprehensive LᴬTᴇX Symbol List, but
there is Unicode character U+2AA3 [⪣] “Double Nested Less-Than with
Underbar”.

—Joel Salomon

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