Parameter-Assignment.md

@@ -33,6 +33,13 @@ Array:
 	{Array} '{' elements+=Primitive (',' elements+=Primitive)* '}';
 ```
 
+Inference: ConfigurationExpression: t_left : R  operator = { +, - } t_right : T / t_left operator t_right : T 
+
+ConfigurationExpression2: t_left : T operator = { +, - } t_right : R / t_left operator t_right : T 
+
+T = Float
+R = Integer or Float
+
 ## Primitive Elements
 
 ```