1 files changed, 6 insertions, 1 deletions
diff --git a/library/everything.tex b/library/everything.tex
index 61bccb2..783679f 100644
--- a/library/everything.tex
+++ b/library/everything.tex
@@ -16,12 +16,13 @@
 \import{relation/uniqueness.tex}
 \import{function.tex}
 \import{ordinal.tex}
-%\import{nat.tex}
+\import{nat.tex}
 \import{cardinal.tex}
 \import{algebra/magma.tex}
 \import{algebra/semigroup.tex}
 \import{algebra/monoid.tex}
 \import{algebra/group.tex}
+
 \import{order/order.tex}
 %\import{order/semilattice.tex}
 \import{topology/topological-space.tex}
@@ -33,3 +34,7 @@
 \begin{proposition}\label{trivial}
     $x = x$.
 \end{proposition}
+
+%\begin{proposition}\label{safe}
+%    Contradiction.
+%\end{proposition}