fact: Definition alt_all_elim {h str T} (ps : T + alt_option h initial_nonterminals_data str) : T.
imports: Fiat.Common.Coq__8_4__8_5__Compat Coq.Strings.String Coq.Lists.List Coq.ZArith.ZArith Fiat.Parsers.ContextFreeGrammar.Core Fiat.Parsers.ContextFreeGrammar.Properties Fiat.Parsers.WellFoundedParse Fiat.Parsers.CorrectnessBaseTypes Fiat.Parsers.BaseTypes Fiat.Parsers.StringLike.Properties Fiat.Parsers.BaseTypesLemmas Fiat.Parsers.MinimalParse Fiat.Parsers.WellFoundedParseProperties Fiat.Common