axiom uniq_concat : ∀d:eqType.∀l1,l2. uniq d (l1@l1) = (andb (uniq ? l1) (andb (uniq ? l2) ())).
lemma uniq_mkpermr : ∀d:finType.∀m. uniq ? (mkpermr d m) = true.
axiom uniq_concat : ∀d:eqType.∀l1,l2. uniq d (l1@l1) = (andb (uniq ? l1) (andb (uniq ? l2) ())).
lemma uniq_mkpermr : ∀d:finType.∀m. uniq ? (mkpermr d m) = true.