mjo-set: adopt \powerset{} from mjo-common.

[mjotex.git] / examples.tex

diff --git a/examples.tex b/examples.tex
index af11de8284796dd1125b0ee8443cd9b1a9c617ca..e11815ef7856b47f0dd5cb0e775c3272caeec427 100644 (file)
--- a/examples.tex
+++ b/examples.tex
@@ -132,8 +132,7 @@
       \unionmany{k=1}{\infty}{A_{k}} = \intersectmany{k=1}{\infty}{B_{k}}
     \end{equation*}
     %
-    The powerset of $X$ displays nicely, as $\powerset{X}$. Finally,
-    we have the four standard types of intervals in $\Rn[1]$,
+    Finally, we have the four standard types of intervals in $\Rn[1]$,
     %
     \begin{align*}
       \intervaloo{a}{b} &= \setc{ x \in \Rn[1]}{ a < x < b },\\
@@ -310,7 +309,7 @@
 
   \begin{section}{Set theory}
     The cardinality of the set $X \coloneqq \set{1,2,3}$ is $\card{X}
-    = 3$.
+    = 3$, and its powerset is $\powerset{X}$.
   \end{section}
 
   \begin{section}{Theorems}