(cic:/matita/algebra/finite_groups/repr.con S
(cic:/matita/algebra/finite_groups/is_finite_enumerable.con S) i).
-notation "hvbox(ι e)" with precedence 60
+notation "hvbox(\iota e)" with precedence 60
for @{ 'index_of_finite_enumerable_semigroup $e }.
interpretation "Index_of_finite_enumerable representation"