proposition: Lemma edist_inf_ge0 w : (0 <= edist_inf w)%E.
proof: Proof. by apply: lb_ereal_inf => ? /= [? ? <-]. Qed.
imports: HB(structures) mathcomp(all_ssreflect ssralg ssrint ssrnum finmap matrix) mathcomp(rat interval zmodp vector fieldext falgebra) mathcomp(mathcomp_extra boolp classical_sets functions) mathcomp(cardinality set_interval Rstruct) ereal reals signed topology prodnormedzmodule