fact: Definition option_dec {A} (H : forall a b : A, {a = b} + {a <> b}) : forall a b : option A, {a = b} + {a <> b}.
imports: Coq.Lists.List Coq.Lists.SetoidList Coq.Bool.Bool Coq.Arith.PeanoNat Coq.Strings.Ascii Coq.Strings.String Coq.Logic.Eqdep_dec Fiat.Common