diff --git a/symbols.tex b/symbols.tex
index 3ebe7e5..d498b8e 100644
--- a/symbols.tex
+++ b/symbols.tex
@@ -23,6 +23,7 @@
   $\FF_2$                   & the field $\ZZ_{/2\ZZ}$                                                      \\
   $\mathbb{S}^d$            & the set of vectors of dimension $d$ in the set $\mathbb{S}$                  \\
   $\mathbb{S}^{n \times m}$ & the set of matrices with $n$ rows and $m$ columns in the set $\mathbb{S}$    \\
+  $\permutations_D$ & The set of all permutations over $\{1,\ldots, D\}$ \\
   [1ex] \multicolumn{2}{l}{\scbf{Protocols}}                                                               \\
   $\PKE$   & Public Key Encryption                                                                         \\
   $\ZK$    & Zero-Knowledge                                                                                \\