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In http://www.logicmatters.net/latex-for-logicians/symbols/ I read that \boxright from txfonts or pxfonts can by used together with other fonts by doing the following:


There is another symbol in txfonts and pxfonts that I'd like to use. How can I get its number so that I can use a similar \DeclareMathSymbol to access it? The symbol I'm after in txfonts and pxfonts is \Diamondright:


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For future reference here's what I used to get the symbols I was after: \DeclareSymbolFont{symbolsC}{U}{pxsyc}{m}{n}% Use 'pxsyc' for Palatino and 'txsyc' for Times and Computer Modern \DeclareMathSymbol{\boxright}{\mathrel}{symbolsC}{128}% Lewis's 'would' counterfactual \DeclareMathSymbol{\diamondright}{\mathrel}{symbolsC}{132}% Lewis's 'might' counterfactual – N.N. Oct 26 '11 at 10:13
up vote 16 down vote accepted

You could use the fonttable package:


There you can see it's 132.

font table

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this not working with xelatex and ttf font – Witold Aug 5 '13 at 13:45
@Witold No, it doesn't; the package is thought for eight bit fonts. – egreg Aug 5 '13 at 15:20

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