TeX has \def which basically allows you to write lambda expressions, so yeah it'... | Hacker News

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contravariant on Dec 20, 2016 | parent | context | favorite | on: Mdmath – LaTeX Math for Markdown inside of Visual ...

TeX has \def which basically allows you to write lambda expressions, so yeah it's Turing complete. The basic math notation isn't though, and I'd be surprised if this extension allows you to use \def (or really any of the more powerful features of TeX).

Mtinie on Dec 20, 2016 [–]

If it's using the full selection of functions available to KaTeX, here's the list:

https://github.com/Khan/KaTeX/wiki/Function-Support-in-KaTeX

\def isn't included in the core set, from what I can see.

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