fact: Definition is_literal_of_pset (d : LitSet.t) (l : literal) := IntMap.get' (id_of_literal l) d = Some None \/ IntMap.get' (id_of_literal l) d = Some (Some (is_positive_literal l)).
imports: Cdcl.PatriciaR Cdcl.KeyInt Cdcl.ReifClasses Cdcl.Lib Bool Setoid ZifyBool ZArith Uint63 Lia List Cdcl.Syntax Cdcl.Clause