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Quelle Subsume.sig
Sprache: unbekannt
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(* ========================================================================= *)
(* SUBSUMPTION CHECKING FOR FIRST ORDER LOGIC CLAUSES *)
(* Copyright (c) 2002 Joe Leslie-Hurd, distributed under the BSD License *)
(* ========================================================================= *)
signature Subsume =
sig
(* ------------------------------------------------------------------------- *)
(* A type of clause sets that supports efficient subsumption checking. *)
(* ------------------------------------------------------------------------- *)
type 'a subsume
val new : unit -> 'a subsume
val size : 'a subsume -> int
val insert : 'a subsume -> Thm.clause * 'a -> 'a subsume
val filter : ('a -> bool) -> 'a subsume -> 'a subsume
val pp : 'a subsume Print.pp
val toString : 'a subsume -> string
(* ------------------------------------------------------------------------- *)
(* Subsumption checking. *)
(* ------------------------------------------------------------------------- *)
val subsumes :
(Thm.clause * Subst.subst * 'a -> bool) -> 'a subsume -> Thm.clause ->
(Thm.clause * Subst.subst * 'a) option
val isSubsumed : 'a subsume -> Thm.clause -> bool
val strictlySubsumes : (* exclude subsuming clauses with more literals *)
(Thm.clause * Subst.subst * 'a -> bool) -> 'a subsume -> Thm.clause ->
(Thm.clause * Subst.subst * 'a) option
val isStrictlySubsumed : 'a subsume -> Thm.clause -> bool
(* ------------------------------------------------------------------------- *)
(* Single clause versions. *)
(* ------------------------------------------------------------------------- *)
val clauseSubsumes : Thm.clause -> Thm.clause -> Subst.subst option
val clauseStrictlySubsumes : Thm.clause -> Thm.clause -> Subst.subst option
end
[ Dauer der Verarbeitung: 0.17 Sekunden
(vorverarbeitet)
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2026-03-28
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