fact: Definition internal_prod_dec_bl {A B} eq_A eq_B A_bl B_bl x y (H : @prod_beq A B eq_A eq_B x y = true) : x = y := eq_trans (surjective_pairing _) (eq_trans (@ImproperlyRecursiveProdBeq.internal_prod_dec_bl A B eq_A eq_B A_bl B_bl (fst x, snd x) (fst y, snd y) H) (eq_sym (surjective_pairing _))).
imports: Coq.Lists.List Coq.Lists.SetoidList Coq.Bool.Bool Coq.Arith.PeanoNat Coq.Strings.Ascii Coq.Strings.String Coq.Logic.Eqdep_dec Fiat.Common