X-Git-Url: http://gitweb.michael.orlitzky.com/?a=blobdiff_plain;f=mjo-arrow.tex;h=75b70c9d8b3670d94fb5ed5ca953d20b2464a008;hb=d85706cc1efea350df9e957f6583a92d4e05359f;hp=3ae2daac179659b681c3ab9d14990250cf80bb31;hpb=5c1a943a2ae3886693c0361084239aef9da3551c;p=mjotex.git

diff --git a/mjo-arrow.tex b/mjo-arrow.tex
index 3ae2daa..75b70c9 100644
--- a/mjo-arrow.tex
+++ b/mjo-arrow.tex
@@ -7,4 +7,7 @@
 
 % The composition of two arrows/functions. For example, the
 % composition of g with f is \compose{g}{f}\of{x} === g\of{f\of{x}}.
-\newcommand*{\compose}[2]{ {#1} \circ {#2} }
+\newcommand*{\compose}[2]{ {#1}\circ{#2} }
+
+% The inverse of an arrow, function, or whatever.
+\newcommand*{\inverse}[1]{ #1^{-1} }