# Tag Info

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A solution using \vvvert of package mathabx. The symbol can also be used with \left and \right. Since the package changes many math symbols, the following example only defines \vvvert and the symbol fonts, needed for it without changing other math symbols: \documentclass{article} %\usepackage{mathabx} % Math symbol font matha ...

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Both symbols are available in Unicode: U+221D: ∝ PROPORTIONAL TO U+221E: ∞ INFINITY It is not a good idea to replace the well-established symbol for infinity, which even many non-mathematicians will understand, by a different symbol, a relational operator, which is used for a complete different purpose. This is called obfuscating and will ...

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\documentclass{article} \usepackage{color} \newcommand\myinfty{{\infty% \mathchoice% {\llap{\color{white}\vrule width 0.2em height 0.3em depth -0.15em}}% {\llap{\color{white}\vrule width 0.2em height 0.3em depth -0.15em}}% {\llap{\color{white}\vrule width 0.2em height 0.22em depth -0.1em}}% {\llap{\color{white}\vrule width 0.2em height 0.15em depth ...

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You can create your own copy of used math font and you can do changes here by fontforge program, for example. Or you can redefine the \infty macro, for example by such way: \let\oriinfty=\infty \def\infty{{\oriinfty\llap{\vrule height.24em depth-.2em width.2em}}} This example does the black rule over the infinity char in the appropriate place. Now, it is ...

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I do not really understand what you want to type. In my MWE I just show some possibilities and hope that one of them fits your needs. The problem with the missing space you describe occurs due to missing braces behind the command (\textgreater{}). You may read some LaTeX documentations like this (2 MB) in order to understand, why this is happening. % ...

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Just scale it. \documentclass{article} % large ops, copied from shuffle font package \DeclareFontFamily{U}{bigshuffle}{} \DeclareFontShape{U}{bigshuffle}{m}{n}{ <5-8> s*[1.7] shuffle7 <8-> s*[1.7] shuffle10 }{} \DeclareSymbolFont{BigShuffle}{U}{bigshuffle}{m}{n} \DeclareMathSymbol\bigshuffle{\mathop}{BigShuffle}{"001} ...

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