fact: Fixpoint CastTopic_2' {n''} (subtopics' : Vector.t (Fin.t n) n'') (n''' : Fin.t n'') {struct n'''} : Vector.nth TopicTypes (Vector.nth subtopics' n''') -> Vector.nth (SubTopicTypes subtopics') n'''.
imports: Coq.Strings.String Coq.Bool.Bool Coq.Lists.List Coq.Arith.Arith Coq.Program.Program Fiat.Common.ilist2 Fiat.ADT Fiat.ADT.ComputationalADT Fiat.ADTNotation Fiat.ADTRefinement Fiat.ADTRefinement.BuildADTRefinements Fiat.Fiat4Monitors.RADL_Topics