proposition: Lemma scaled_set_extract Z x (x0 : x != Zero) : x \in scaled_set Z -> [point of x0] \in Z.
proof: Proof. by case: x x0. Qed.
imports: HB(structures) mathcomp(all_ssreflect ssralg fingroup perm matrix) mathcomp(mathcomp_extra boolp classical_sets Rstruct) mathcomp(ssrnum ereal) mathcomp(lra Rstruct reals) Reals ssrR Reals_ext Ranalysis_ext ssr_ext ssralg_ext logb realType_ext fdist