fact: Fixpoint iter_conv_set_neq0 (X : neset A) (n : nat) : iter_conv_set X n != set0 := if n is n'.+1 then oplus_conv_set_neq0 X (NESet.Pack (NESet.Mixin (iter_conv_set_neq0 X n'))) else neset_neq0 X.
imports: HB(structures) Reals mathcomp(all_ssreflect ssralg ssrnum) mathcomp(mathcomp_extra boolp classical_sets Rstruct reals) mathcomp(finmap) Reals_ext realType_ext classical_sets_ext ssrR fdist fsdist convex