diff --git a/.gitmodules b/.gitmodules
index d03d0d5440..12bc0e7251 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -186,6 +186,10 @@
 	path = libs/assign
 	url = ../assign.git
 	fetchRecurseSubmodules = on-demand
+[submodule "logic"]
+	path = libs/logic
+	url = ../logic.git
+	fetchRecurseSubmodules = on-demand
 [submodule "exception"]
 	path = libs/exception
 	url = ../exception.git
diff --git a/libs/logic b/libs/logic
new file mode 160000
index 0000000000..e3146f2584
--- /dev/null
+++ b/libs/logic
@@ -0,0 +1 @@
+Subproject commit e3146f2584c15ca4dbe542f5c561d96aa5723710