fact: Definition default_production_carrier_valid : bool := ((Compare_dec.leb (S nt_idx) (List.length (pregrammar_productions G))) && ((Compare_dec.leb (S (fst (snd idx))) (List.length nts)) && (Compare_dec.leb drop_count (List.length ps))))%bool.
imports: Fiat.Common.Coq__8_4__8_5__Compat Coq.ZArith.ZArith Fiat.Common.Enumerable Fiat.Common.Enumerable.BoolProp Fiat.Common.List.Operations Fiat.Common.List.ListFacts Fiat.Common.Equality Fiat.Parsers.ContextFreeGrammar.Core Fiat.Parsers.ContextFreeGrammar.PreNotations Fiat.Common.Gensym Fiat.Common.Tactics.BreakMatch Fiat.Common.Tactics.DestructHead