diff --git a/src/api/dotnet/NativeContext.cs b/src/api/dotnet/NativeContext.cs
index 93180e583..afae66e46 100644
--- a/src/api/dotnet/NativeContext.cs
+++ b/src/api/dotnet/NativeContext.cs
@@ -100,6 +100,17 @@ namespace Microsoft.Z3
             return Native.Z3_mk_mul(nCtx, (uint)(ts?.Length ?? 0), ts);
         }
 
+        /// <summary>
+        /// Create an expression representing <c>t[0] - t[1] - ...</c>.
+        /// </summary>
+	public Z3_ast MkSub(params Z3_ast[] t)
+        {
+            Debug.Assert(t != null);
+            Debug.Assert(t.All(a => a != IntPtr.Zero));
+            var ts = t.ToArray();
+	    return Native.Z3_mk_sub(nCtx, (uint)(ts?.Length ?? 0), ts);
+	}
+
         /// <summary>
         /// Create an expression representing <c>t1 / t2</c>.
         /// </summary>