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Include variables in \forall formula

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Spencer Burris 2020-09-12 20:52:37 -07:00
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@ -123,7 +123,7 @@ Math has many symbols, far beyond what you can find on a keyboard;
Set and relation symbols, arrows, operators, and Greek letters to name a few. Set and relation symbols, arrows, operators, and Greek letters to name a few.
Sets and relations play a vital role in many mathematical research papers. Sets and relations play a vital role in many mathematical research papers.
Here's how you state all x that belong to X, $\forall$ x $\in$ X. Here's how you state all x that belong to X, $\forall x \in X$.
% Notice how I needed to add $ signs before and after the symbols. This is % Notice how I needed to add $ signs before and after the symbols. This is
% because when writing, we are in text-mode. % because when writing, we are in text-mode.
% However, the math symbols only exist in math-mode. % However, the math symbols only exist in math-mode.