Special Letters not working on KATEX on Github

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After May 2022, github are now accepting KATEX directly on markdown using $$$$

I'm trying to use the following letters on markdown using the $$$$ special characters to use the KATEX on my github but the following letters are not working.

Code Letter displayed expected
$$\N$$ $$\N$$ image
$$\Z$$ $$\Z$$ image
$$\Reals$$ $$\Reals$$ image
$$\R$$ $$\R$$ image
$$\natnums$$ $$\natnums$$ image

in github:

enter image description here

katex markdown github
1 Answers

After some study, I find out a KATEX command called \mathbb{text} who cna change the font from the text inside the curly brackets

One example:

$$ A =  \lbrace x \in \mathbb{N} \space | \space x < 5 \rbrace $$

Some information:

\lbrace and \rbrace are the { } curly brace symbol in KATEX

\space insert space between texts

In github thanks to \mathbb{text} it can make the symbol i showed in my question:

enter image description here

The table of symbol and code

Code Symbol
$$\mathbb{N}$$ $$\mathbb{N}$$
$$\mathbb{Z}$$ $$\mathbb{Z}$$
$$\mathbb{R}$$ $$\mathbb{R}$$

On Github preview:

github preview markdown

F4NT00
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