From f9a3142190c2b36c4bf528db338d3b0c61736747 Mon Sep 17 00:00:00 2001
From: Mikkel Tygesen <mikkel.tygesen@gmail.com>
Date: Tue, 7 Jan 2025 21:23:07 +0100
Subject: [PATCH] overriden addParentheses for subtract expressions

---
 .../dk/aau/cs/model/CPN/Expressions/SubtractExpression.java  | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/main/java/dk/aau/cs/model/CPN/Expressions/SubtractExpression.java b/src/main/java/dk/aau/cs/model/CPN/Expressions/SubtractExpression.java
index b775e5793..6ef06a94b 100644
--- a/src/main/java/dk/aau/cs/model/CPN/Expressions/SubtractExpression.java
+++ b/src/main/java/dk/aau/cs/model/CPN/Expressions/SubtractExpression.java
@@ -114,6 +114,11 @@ public void getVariables(Set<Variable> variables) {
         right.getVariables(variables);
     }
 
+    @Override
+    public boolean addParentheses() {
+        return parent != null;
+    }
+
     @Override
     public String toString() {
         if (addParentheses()) {