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I need to be able to represent these symbols, how would I do this? thanks

garry
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  • Hi garry and welcome to TeX.SX. In its current form, your question might not receive many answers. Please take a look at the How to Ask-page and try to improve your question according to the guidance found there. This may require you to show some effort on your part in terms of attempting a solution. If you have questions about what to do or if you don't quite understand what this means, please ask for clarification using the add comment function. – Martin Schröder Nov 29 '15 at 12:55

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The first symbol can be written with \sqsubseteq, the second symbol can be written with \equiv, the third symbol can be written with \neg.

http://detexify.kirelabs.org/classify.html is a good link for finding the codes for symbols.

Kendry Johnson
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    +1 for detexify... Seriously, that service has helped me a ton of times with symbols. Not only relatively strange ones, but also simple ones I just couldn't remember the command for (\in I'm looking at you). – Argo Nov 29 '15 at 12:53