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inline math mode important

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Bela 2018-12-15 14:58:44 +01:00
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tex/mathmode.tex
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@ -10,6 +10,15 @@
Inline math mode is enabled with \$. I do not think they are
other options or they is anything wrong with that.
It is important to use the inline math mode even
when \LaTeX{} does not give an error without: for a single
variable $A$ just writing A is a single letter
while with \$ ($A$) gives a mathematical variable.
The meaning is totally different and that is reflected
in the print. The same is true for numbers like $123$.
While in the standard font it may seem irrelevant, in other
fonts it is not and we want semantically correct code anyway.
Limits as in $Σ_{i = 1}^n \sup_{x ∈ M} \abs x$ can be put
underneath/ on top of the operators
(\enquote{display-math style}) but I think that is a