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--- title: Typesetting math excerpt: > Awesome MathJax-powered math! category: Features mathjax: true --- Today, we'll "prove" that $$2 \times 2 \ne 5$$. $$ \begin{gather} 2 \times 2 = 2 + 2 = 4 \\ 4 \ne 5 \implies 2 \times 2 \ne 5 \end{gather} $$ Q.E.D.