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(*** Boolean Utility Lemmas and Databases *)
Require Import Coq.Bool.Bool.
(** For equalities of booleans *)
Create HintDb bool_congr discriminated.
(** For properties of booleans, with, e.g., [iff] *)
Create HintDb bool_congr_setoid discriminated.
(** For generic simplifications of things involving booleans, e.g., if-statements *)
Create HintDb boolsimplify discriminated.
Hint Extern 1 => progress autorewrite with boolsimplify in * : boolsimplify.
Hint Extern 1 => progress autorewrite with bool_congr in * : bool_congr.
Hint Extern 1 => progress autorewrite with bool_congr_setoid in * : bool_congr_setoid.
Hint Extern 2 => progress rewrite_strat topdown hints bool_congr_setoid : bool_congr_setoid.
Hint Rewrite Bool.andb_diag Bool.orb_diag Bool.eqb_reflx Bool.negb_involutive Bool.eqb_negb1 Bool.eqb_negb2 Bool.orb_true_r Bool.orb_true_l Bool.orb_false_r Bool.orb_false_l Bool.orb_negb_r Bool.andb_false_r Bool.andb_false_l Bool.andb_true_r Bool.andb_false_r Bool.andb_negb_r Bool.xorb_false_r Bool.xorb_false_l Bool.xorb_true_r Bool.xorb_true_l Bool.xorb_nilpotent : bool_congr.
Hint Rewrite Bool.negb_if : boolsimplify.
Hint Rewrite <- Bool.andb_if Bool.andb_lazy_alt Bool.orb_lazy_alt : boolsimplify.
Hint Rewrite Bool.not_true_iff_false Bool.not_false_iff_true Bool.eqb_true_iff Bool.eqb_false_iff Bool.negb_true_iff Bool.negb_false_iff Bool.orb_true_iff Bool.orb_false_iff Bool.andb_true_iff Bool.andb_false_iff Bool.xorb_negb_negb : bool_congr_setoid.
Create HintDb push_orb discriminated.
Create HintDb pull_orb discriminated.
Create HintDb push_andb discriminated.
Create HintDb pull_andb discriminated.
Create HintDb push_negb discriminated.
Create HintDb pull_negb discriminated.
Hint Extern 1 => progress autorewrite with push_orb in * : push_orb.
Hint Extern 1 => progress autorewrite with pull_orb in * : pull_orb.
Hint Extern 1 => progress autorewrite with push_andb in * : push_andb.
Hint Extern 1 => progress autorewrite with pull_andb in * : pull_andb.
Hint Extern 1 => progress autorewrite with push_negb in * : push_negb.
Hint Extern 1 => progress autorewrite with pull_negb in * : pull_negb.
Hint Rewrite Bool.negb_orb Bool.negb_andb : push_negb.
Hint Rewrite Bool.xorb_negb_negb : pull_negb.
Hint Rewrite <- Bool.negb_orb Bool.negb_andb Bool.negb_xorb_l Bool.negb_xorb_r : pull_negb.
Hint Rewrite Bool.andb_orb_distrib_r Bool.andb_orb_distrib_l : push_andb.
Hint Rewrite <- Bool.orb_andb_distrib_r Bool.orb_andb_distrib_l : push_andb.
Hint Rewrite Bool.orb_andb_distrib_r Bool.orb_andb_distrib_l : pull_andb.
Hint Rewrite <- Bool.andb_orb_distrib_r Bool.andb_orb_distrib_l : pull_andb.
Hint Rewrite Bool.orb_andb_distrib_r Bool.orb_andb_distrib_l : push_orb.
Hint Rewrite <- Bool.andb_orb_distrib_r Bool.andb_orb_distrib_l : push_orb.
Hint Rewrite <- Bool.orb_andb_distrib_r Bool.orb_andb_distrib_l : pull_orb.
Hint Rewrite Bool.andb_orb_distrib_r Bool.andb_orb_distrib_l : pull_orb.
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