diff --git a/chapters/3_rewriting.tex b/chapters/3_rewriting.tex
index 6aa71f3..53cad0c 100644
--- a/chapters/3_rewriting.tex
+++ b/chapters/3_rewriting.tex
@@ -122,7 +122,7 @@ and where expressions have \mzninline{par} type.
 
 A \nanozinc\ program, defined in \cref{fig:4-nzn-syntax}, is simply a list of
 variable declaration and constraints in the form of calls. The syntax
-``\texttt{└──}'' will be used to track dependent constraints (this will be
+``\texttt{↳}'' will be used to track dependent constraints (this will be
 explained in detail in \cref{sec:4-nanozinc}, for now you can ignore them).
 
 \begin{figure}
@@ -138,7 +138,7 @@ explained in detail in \cref{sec:4-nanozinc}, for now you can ignore them).
   <nzn-dom> ::=  <constant> ".." <constant> | <constant>
     \alt "bool" | "int" | "float" | "set of int"
 
-  <nzn-bind> ::= "└──" <nzn-con>
+  <nzn-bind> ::= "↳" <nzn-con>
   \end{grammar}
   \caption{\label{fig:4-nzn-syntax}Syntax of \nanozinc{}.}
 \end{figure}
@@ -384,7 +384,7 @@ can only define the function result.
     var -10..10: x;
     var -10..10: y;
     var int: z;
-    └── constraint int_abs(x, z);
+    ↳ constraint int_abs(x, z);
     constraint int_gt(z, y);
   \end{nzn}
 
@@ -457,7 +457,7 @@ considered primitives, and as such simply need to be transferred into the
 \bigskip
 \begin{prooftree}
   \hypo{\Sem{\(\mathbf{X}\)}{\Prog, \{ t : x \} \cup{} \Env} \Rightarrow \tuple{x, \{ t: x \} \cup{} \Env'}}
-  \infer1[(Item0)]{\Sem{\(\epsilon{} \mid{} \mathbf{X}\)}{\Prog, \{ t: x \}\cup{}\Env, \Ctx} \Rightarrow{} \tuple{x, \{ t: x_{\texttt{~└──~}} \Ctx{} \} \cup{} \Env'}}
+  \infer1[(Item0)]{\Sem{\(\epsilon{} \mid{} \mathbf{X}\)}{\Prog, \{ t: x \}\cup{}\Env, \Ctx} \Rightarrow{} \tuple{x, \{ t: x \texttt{~↳~} \Ctx{} \} \cup{} \Env'}}
 \end{prooftree} \\
 \bigskip
 \begin{prooftree}
@@ -509,7 +509,7 @@ notation.
 \centering
 \begin{prooftree}
   \hypo{x \in \langle \text{ident} \rangle}
-  \hypo{\{t: x_{\texttt{~└──~}} \phi\ \} \in \Env}
+  \hypo{\{t: x \texttt{~↳~} \phi\ \} \in \Env}
   \infer2[(IdX)]{\Sem{\(x\)}{\Prog, \Env} \Rightarrow{} \tuple{x, \Env}}
 \end{prooftree} \\
 \bigskip
@@ -623,7 +623,7 @@ therefore equisatisfiable with the original model.
 
 Consider now the case where a variable in \nanozinc\ is only used in its own
 auxiliary definitions (the constraints directly succeeding the declaration
-prepended by \texttt{└── }).
+prepended by \texttt{↳}).
 
 \begin{example}\label{ex:4-absreif}
   The following is a slight variation on the \minizinc\ fragment in
@@ -648,9 +648,9 @@ prepended by \texttt{└── }).
     var -10..10: x;
     var -10..10: y;
     var int: z;
-    └── constraint int_abs(x, z);
+    ↳ constraint int_abs(x, z);
     var bool: b;
-    └── constraint int_gt_reif(z, y, b);
+    ↳ constraint int_gt_reif(z, y, b);
     constraint bool_or(b, c);
   \end{nzn}
 
@@ -802,9 +802,9 @@ corresponding \nanozinc\ code looks like this:
 
 \begin{nzn}
   var int: x;
-  └── constraint f_rel(a, x);
+  ↳ constraint f_rel(a, x);
   var int: y;
-  └── constraint g_rel(b, y);
+  ↳ constraint g_rel(b, y);
   constraint int_eq(x, y);
 \end{nzn}
 
@@ -821,7 +821,7 @@ resulting \nanozinc\ looks like this:
 
 \begin{nzn}
   var int: x;
-  └── constraint f_rel(a, x);
+  ↳ constraint f_rel(a, x);
   constraint g_rel(x, y);
   constraint int_eq(x, y);
 \end{nzn}
@@ -1035,9 +1035,9 @@ operators. For example the evaluation of the linear constraint \mzninline{x +
   var int: y;
   var int: z;
   var int: i1;
-  └── constraint int_times(y, 2);
+  ↳ constraint int_times(y, 2);
   var int: i2;
-  └── constraint int_plus(x, i1);
+  ↳ constraint int_plus(x, i1);
   constraint int_le(i2, z);
 \end{nzn}