proposition: Lemma tuple_to_partialK t : partial_to_tuple (tuple_to_partial t) = t.
proof: Proof. rewrite /tuple_to_partial /partial_to_tuple. apply eq_from_tnth => i. rewrite tnth_map ffunE. by rewrite index_uniq ?(tnth_nth def) ?enum_uniq // -cardE ltn_ord. Qed.
imports: mathcomp(all_ssreflect ssralg fingroup zmodp poly ssrnum) mathcomp(matrix perm) ssr_ext ssralg_ext fdist subgraph_partition tanner