fact: Definition icons2' {A} {B} {n} {l : Vector.t A (S n)} (b : B (l[@Fin.F1])) (il : ilist2 (B := B) (Vector.tl l)) : ilist2 (B := B) l.
imports: Fiat.Common.Coq__8_4__8_5__Compat Coq.Vectors.Vector Coq.Strings.Ascii Coq.Bool.Bool Coq.Lists.List Fiat.Common.SumType Fiat.Computation.ListComputations Fiat.QueryStructure.Automation.AutoDB Bedrock.Word Bedrock.Memory