fact: Definition flag_true (p: input) : Prop := p.(in_ip4).(ipv4_df) = true.
imports: Bedrock.Word Coq.Vectors.Vector IndexedEnsembles Fiat.Common.ilist2 Fiat.Common.EnumType Fiat.QueryStructure.Specification.Representation.QueryStructureNotations Fiat.Narcissus.Examples.Guard.Core Fiat.Narcissus.Examples.Guard.IPTables IPTables