How to use strikethrough lines in markdown

[Geokeke]

Tried to use ~~ but did not work:

~~``P(x,y,z)=P(z)P(x|z)P(y|x)``~~

Show:

[holomorphism]

For MathJax formulas, you can use \enclose{horizontalstrike} or \cancel:

Ref: https://meta.mathoverflow.net/questions/5263/mathjax-equivalent-of-strike-strike

For text in Markdown, I've defined the following function (though it's not perfect):

using HypertextLiteral
strikethrough(x) = @htl "<del>$(x)</del>"