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fixed a new line split

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Mark Lemay 2016-02-08 20:48:04 -05:00
parent 9720a6e0c6
commit 18f286bb38
1 changed files with 1 additions and 2 deletions
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frap.tex
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@ -517,8 +517,7 @@ It's important to remember that plus \emph{inside} the brackets is syntax, while
\newcommand{\subst}[3]{[#3/#2]#1}
To test our semantics, we define a \emph{variable substitution} function\index{substitution}.
A substitution $\subst{e}{x}{e'}$ stands for the result of running through the syntax of $e$, repla
cing every occurrence of variable $x$ with expression $e'$.
A substitution $\subst{e}{x}{e'}$ stands for the result of running through the syntax of $e$, replacing every occurrence of variable $x$ with expression $e'$.
\begin{eqnarray*}
\subst{n}{x}{e} &=& n \\