fact: Definition ax_proj := forall n (i : 'I_n) (g : 'I_n -> T), <&>_(fdist1 i) g = g i.
imports: HB(structures) mathcomp(all_ssreflect ssralg ssrnum fingroup perm matrix) mathcomp(mathcomp_extra boolp classical_sets) Reals mathcomp(Rstruct reals) ssrR Reals_ext realType_ext Ranalysis_ext ssr_ext ssralg_ext fdist jfdist_cond fsdist convex