proposition: Lemma plus_minus : forall m n n', m + n = n' -> n = n' - m.
proof: Proof. intros; omega. Qed.
imports: Fiat.Common.Coq__8_4__8_5__Compat Coq.Bool.Bool Coq.ZArith.ZArith Fiat.Common.DecideableEnsembles Fiat.Common.EnumType Fiat.Common.BoundedLookup Fiat.Common.ilist Fiat.Common.Tactics.CacheStringConstant Fiat.Common.IterateBoundedIndex Fiat.Computation Fiat.QueryStructure.Specification.Representation.Notations Fiat.QueryStructure.Specification.Representation.Heading Fiat.QueryStructure.Specification.Representation.Tuple Fiat.Narcissus.BinLib.Core Fiat.Narcissus.Common.Specs Fiat.Narcissus.Common.WordFacts Fiat.Narcissus.Common.ComposeIf Fiat.Narcissus.Common.ComposeOpt Fiat.Narcissus.Formats.Sequence Fiat.Narcissus.BaseFormats Fiat.Narcissus.Formats.Empty Fiat.Narcissus.Formats.Option Fiat.Narcissus.Formats.FixListOpt Fiat.Narcissus.Formats.Bool Fiat.Narcissus.Stores.EmptyStore Fiat.Narcissus.Formats.WordOpt Fiat.Narcissus.Formats.NatOpt Fiat.Narcissus.Formats.Vector Fiat.Narcissus.Formats.EnumOpt Fiat.Narcissus.Formats.SumTypeOpt Fiat.Narcissus.Formats.StringOpt Fiat.Narcissus.Common.Sig Fiat.Narcissus.Automation.Common Fiat.Narcissus.Automation.NormalizeFormats Fiat.Narcissus.Automation.Decision Fiat.Narcissus.Automation.ExtractData Fiat.Narcissus.Automation.SynthesizeDecoder