fact: Definition lift_order (o o' : option (option bool)) := match o , o' with | None , None => True | None , Some _ => True | Some _ , None => False | Some b1 , Some b2 => order b1 b2 end.
imports: Cdcl.PatriciaR Cdcl.KeyInt Cdcl.ReifClasses Cdcl.Lib Bool Setoid ZifyBool ZArith Uint63 Lia List Cdcl.Syntax Cdcl.Clause