(* begin hide *)
(* Compatibility *)
Notation absoption_orb := absorption_orb (only parsing).
(* end hide *)
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(** * Properties of [implb] *)
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Lemma implb_andb_distrib_r : forall b1 b2 b3:bool, implb b1 (b2 && b3) = implb b1 b2 && implb b1 b3.