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Is there any math symbol \predeq in Latex? If yes, how to use it?

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How is \predeq supposed to look like? Please post a picture of the symbol and have a look at “How to look up a symbol?” for ideas how you can easily find a particular symbol. –  Henri Menke Mar 10 at 7:10
    
It is written here. bitbucket.org/tgregoire/latexifier/commits/…. But I can not compile. –  user12290 Mar 10 at 7:24
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Well, you should be able to show us how it should look like. You can draw a picture if you like. You can easily upload image files here. –  Manuel Kuehner Mar 10 at 7:27
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My feeling is that \pred and \predeq are typos for \prec and \preceq –  egreg Mar 10 at 7:55
    
Thanks for your help. –  user12290 Mar 10 at 8:14

3 Answers 3

up vote 5 down vote accepted

The line in that linked Unicode map shows:

-precedesequal 8826 T \predeq

See PrecedesEqual on wolfram.com:

PrecedesEqual symbol

You can find that symbol in the Comprehensive Symbol List, for example in the binary relations table as \preceq:

Binary relations table

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You also have curly versions and their negative versions in mathabx:enter image description here

in mdsymbol:

enter image description hereenter image description here

and in Mnsymbol:

enter image description hereenter image description here

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Here's the fishing rod, instead of the fish itself:Detexify! Just tried it and it returned \preceq as the first result. It is probably a good chance to mention that a mobile version (android and iOS) is available as well.

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