mjo-algebra.tex: fix glossary sorting of \variety

[mjotex.git] / mjo-calculus.tex

diff --git a/mjo-calculus.tex b/mjo-calculus.tex
index c162d34205797074f62e66dcdb101712dfba78e1..6021163a63f250d43d9d4b630f9fecc0cf384793 100644 (file)
--- a/mjo-calculus.tex
+++ b/mjo-calculus.tex
@@ -1,3 +1,13 @@
+%
+% Standard calculus operations.
+%
+\ifx\havemjocalculus\undefined
+\def\havemjocalculus{1}
+
+
 % The gradient of its argument, which should be a function from R^n to
 % R (or maybe some other field).
 \newcommand*{\gradient}[1]{ \nabla{{#1}} }
+
+
+\fi