package libzipperposition

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package libzipperposition
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Simple Clause

type flag
type t = private {
  1. id : int;
    (*

    unique ID of the clause

    *)
  2. lits : Logtk.Literal.t array;
    (*

    the literals

    *)
  3. trail : Trail.t;
    (*

    boolean trail

    *)
  4. mutable flags : flag;
    (*

    boolean flags for the clause

    *)
}

Basics

val make : trail:Trail.t -> Logtk.Literal.t array -> t
val equal : t -> t -> bool
val compare : t -> t -> int
val hash : t -> int
val id : t -> int
val lits : t -> Logtk.Literal.t array
val trail : t -> Trail.t
val is_empty : t -> bool
val length : t -> int
val update_trail : (Trail.t -> Trail.t) -> t -> t
val to_s_form : ?allow_free_db:bool -> ?ctx:Logtk.Term.Conv.ctx -> t -> Logtk.TypedSTerm.Form.t

Flags

val flag_lemma : flag

clause is a lemma

val flag_persistent : flag

clause cannot be redundant

val flag_redundant : flag

clause has been shown to be redundant

val flag_backward_simplified : flag

clause has been backward simplified

val set_flag : flag -> t -> bool -> unit

set boolean flag

val get_flag : flag -> t -> bool

get value of boolean flag

val new_flag : unit -> flag

new flag that can be used on clauses

val mark_redundant : t -> unit
val is_redundant : t -> bool
val mark_backward_simplified : t -> unit
val is_backward_simplified : t -> bool

IO

val pp_vars : t CCFormat.printer
val pp_zf : t CCFormat.printer
val pp_tstp : t CCFormat.printer
val pp_tstp_full : t CCFormat.printer

Print in a toplevel TPTP statement

val pp_trail : Trail.t CCFormat.printer
val pp_trail_tstp : Trail.t CCFormat.printer

Proofs

val proof_tc : t Logtk.Proof.Result.tc
val mk_proof_res : t -> Logtk.Proof.Result.t