-{ ebc_bobj : ec -> ec -> ec
-; ebc_first : forall a:ec, EFunctor ec ec (fun x => ebc_bobj x a)
-; ebc_second : forall a:ec, EFunctor ec ec (fun x => ebc_bobj a x)
+{ ebc_bobj : ec -> ec -> ec
+; ebc_first : forall a:ec, EFunctor ec ec (fun x => ebc_bobj x a)
+; ebc_second : forall a:ec, EFunctor ec ec (fun x => ebc_bobj a x)
+; ebc_ec := ec (* this isn't a coercion - avoids duplicate paths *)