fact: Definition sim2_bregexp_eq := bregexp_eq ssim2_Plus_id ssim2_PlusC ssim2_PlusA ssim2_congr_Conc ssim2_congr_Plus ssim2_congr_And ssim2_congr_Star ssim2_congr_Not.
imports: Coq(RelationClasses Setoid Morphisms) HB(structures) mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat seq fintype) mathcomp(bigop path) RegLang(languages) RegexpBrzozowski(glue regexp finite_der equiv)