diff --git a/lib/src/api/SymbolicPnb.gf b/lib/src/api/SymbolicPnb.gf
new file mode 100644
index 000000000..53ac23ae7
--- /dev/null
+++ b/lib/src/api/SymbolicPnb.gf
@@ -0,0 +1,5 @@
+--# -path=.:present:mathematical:prelude
+
+resource SymbolicPnb = Symbolic with 
+  (Symbol = SymbolPnb),
+  (Grammar = GrammarPnb) ;