X-Git-Url: http://gitweb.michael.orlitzky.com/?p=mjotex.git;a=blobdiff_plain;f=examples.tex;h=9e376ccd58757500d96fbf6df2f5395e70b6c39b;hp=c1f3df1eb64e416fb00c52f809cdcfc562138324;hb=93c8209c75f02b41fe26c7d58dd7b8f8814051f0;hpb=3a25a18426a941309e160a14018cd18b31562e3b diff --git a/examples.tex b/examples.tex index c1f3df1..9e376cc 100644 --- a/examples.tex +++ b/examples.tex @@ -53,8 +53,9 @@ \end{section} \begin{section}{Arrow} - The identity operator on $V$ is $\identity{V}$. The composition of - $f$ and $g$ is $\compose{f}{g}$. The inverse of $f$ is + The constant function that always returns $a$ is $\const{a}$. The + identity operator on $V$ is $\identity{V}$. The composition of $f$ + and $g$ is $\compose{f}{g}$. The inverse of $f$ is $\inverse{f}$. If $f$ is a function and $A$ is a subset of its domain, then the preimage under $f$ of $A$ is $\preimage{f}{A}$. \end{section}