=Corrected the type of Imp because Bool produced False as default hence negative form of Imperative be = taba instead of ba. Why does GF compute for false first by default? Is it data Bool = False | True?

src/rukiga/CatCgg.gf

@@ -6,7 +6,7 @@ concrete CatCgg of Cat = CommonX -[Adv,IAdv, AdA]**
 lincat
   
   
-  Imp = {s : Bool => Str} ;
+  Imp = {s : Res. ImpPol=> Str} ;
   QS = {s : Str} ;
 
   -- Note: SS is a shorthand for {s:Str}, defined in Prelude.gf