proposition: Lemma forall_chars__char_in_empty (str : String) (H : length str = 0) ls : forall_chars__char_in str ls.
proof: Proof. unfold forall_chars__char_in. apply forall_chars_nil; assumption. Qed.
imports: Fiat.Common.Coq__8_4__8_5__Compat Coq.ZArith.ZArith Fiat.Parsers.StringLike.Core Fiat.Parsers.StringLike.Properties Fiat.Common