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How to look up a math symbol?

Could anyone tell me a conventional way to print NOT \sqsubseteq?

SoftTimur
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1 Answers1

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The easiest way is to prefix the symbol with \not, as in \not\sqsubseteq. Alternatively, pxfonts provides \nsqsubseteq.

For more symbols in LaTeX, peruse Scott Pakin's Comprehensive LaTeX Symbol List.

Werner
  • 603,163
  • More precisely, one should use {\not\sqsubseteq} with the surrounding brackets, otherwise the placement of the bar can vary. Or even {\not\!\sqsubseteq} to place the bar closer to the middle. Also, pxfonts will change the font of the whole document. – Metaxal Feb 21 '21 at 10:20