Using \forall and making a slight change one option is seen by: \documentclass[12pt]{article} \usepackage{amsmath} \begin{equation} ... ... <看更多>

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Try the following (not tested): \newcommand{\mycomparator}{\stackrel{?}{\circ}}. Also look up \mathrel, it can be used to make arbitrary ... ... <看更多>

In side a text chunk, you can use mathematical notation if you ... for the way to make a particular symbol, include latex in your search. ... <看更多>

Because LaTeX seems to have so many different glyphs, symbols and diacritics, here is a page of LaTeX math symbols which you can use as a reference for the ... ... <看更多>

mode: org -*-. Description. This utility lets you input math symbols by TeX names with the following commands. M-x toggle-input-method + math-symbols-tex ... ... <看更多>