1 files changed, 30 insertions, 0 deletions

diff --git a/subprojects/logic/src/main/java/tools/refinery/logic/term/comparable/LessTerm.java b/subprojects/logic/src/main/java/tools/refinery/logic/term/comparable/LessTerm.java
new file mode 100644
index 00000000..b402f54d
--- /dev/null
+++ b/subprojects/logic/src/main/java/tools/refinery/logic/term/comparable/LessTerm.java
@@ -0,0 +1,30 @@
+/*
+ * SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/>
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ */
+package tools.refinery.logic.term.comparable;
+
+import tools.refinery.logic.substitution.Substitution;
+import tools.refinery.logic.term.Term;
+
+public class LessTerm<T extends Comparable<T>> extends ComparisonTerm<T> {
+        public LessTerm(Class<T> argumentType, Term<T> left, Term<T> right) {
+                super(argumentType, left, right);
+        }
+
+        @Override
+        protected Boolean doEvaluate(T leftValue, T rightValue) {
+                return leftValue.compareTo(rightValue) < 0;
+        }
+
+        @Override
+        public Term<Boolean> doSubstitute(Substitution substitution, Term<T> substitutedLeft, Term<T> substitutedRight) {
+                return new LessTerm<>(getArgumentType(), substitutedLeft, substitutedRight);
+        }
+
+        @Override
+        public String toString() {
+                return "(%s < %s)".formatted(getLeft(), getRight());
+        }
+}