TSTP Solution File: LCL043-1 by Z3---4.8.9.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Z3---4.8.9.0
% Problem  : LCL043-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp
% Command  : z3_tptp -proof -model -t:%d -file:%s

% Computer : n003.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Sun Sep 18 04:54:47 EDT 2022

% Result   : Unsatisfiable 0.19s 0.38s
% Output   : Proof 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :   26
% Syntax   : Number of formulae    :   53 (  24 unt;   4 typ;   0 def)
%            Number of atoms       :  164 (   0 equ)
%            Maximal formula atoms :   12 (   3 avg)
%            Number of connectives :  195 (  91   ~;  84   |;   0   &)
%                                         (  20 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   4 avg)
%            Maximal term depth    :    7 (   2 avg)
%            Number of FOOLs       :   11 (  11 fml;   0 var)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    4 (   3   >;   1   *;   0   +;   0  <<)
%            Number of predicates  :    6 (   5 usr;   1 prp; 0-3 aty)
%            Number of functors    :    3 (   3 usr;   1 con; 0-2 aty)
%            Number of variables   :  102 (  92   !;   0   ?; 102   :)

% Comments : 
%------------------------------------------------------------------------------
tff(is_a_theorem_type,type,
    is_a_theorem: $i > $o ).

tff(implies_type,type,
    implies: ( $i * $i ) > $i ).

tff(a_type,type,
    a: $i ).

tff(not_type,type,
    not: $i > $i ).

tff(1,plain,
    ^ [Y: $i,X: $i] :
      refl(
        ( is_a_theorem(implies(X,implies(not(X),Y)))
      <=> is_a_theorem(implies(X,implies(not(X),Y))) )),
    inference(bind,[status(th)],]) ).

tff(2,plain,
    ( ! [Y: $i,X: $i] : is_a_theorem(implies(X,implies(not(X),Y)))
  <=> ! [Y: $i,X: $i] : is_a_theorem(implies(X,implies(not(X),Y))) ),
    inference(quant_intro,[status(thm)],[1]) ).

tff(3,plain,
    ( ! [Y: $i,X: $i] : is_a_theorem(implies(X,implies(not(X),Y)))
  <=> ! [Y: $i,X: $i] : is_a_theorem(implies(X,implies(not(X),Y))) ),
    inference(rewrite,[status(thm)],]) ).

tff(4,axiom,
    ! [Y: $i,X: $i] : is_a_theorem(implies(X,implies(not(X),Y))),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',cn_3) ).

tff(5,plain,
    ! [Y: $i,X: $i] : is_a_theorem(implies(X,implies(not(X),Y))),
    inference(modus_ponens,[status(thm)],[4,3]) ).

tff(6,plain,
    ! [Y: $i,X: $i] : is_a_theorem(implies(X,implies(not(X),Y))),
    inference(skolemize,[status(sab)],[5]) ).

tff(7,plain,
    ! [Y: $i,X: $i] : is_a_theorem(implies(X,implies(not(X),Y))),
    inference(modus_ponens,[status(thm)],[6,2]) ).

tff(8,plain,
    ( ~ ! [Y: $i,X: $i] : is_a_theorem(implies(X,implies(not(X),Y)))
    | is_a_theorem(implies(not(a),implies(not(not(a)),a))) ),
    inference(quant_inst,[status(thm)],]) ).

tff(9,plain,
    is_a_theorem(implies(not(a),implies(not(not(a)),a))),
    inference(unit_resolution,[status(thm)],[8,7]) ).

tff(10,plain,
    ( ~ is_a_theorem(implies(not(not(a)),a))
  <=> ~ is_a_theorem(implies(not(not(a)),a)) ),
    inference(rewrite,[status(thm)],]) ).

tff(11,axiom,
    ~ is_a_theorem(implies(not(not(a)),a)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_cn_39) ).

tff(12,plain,
    ~ is_a_theorem(implies(not(not(a)),a)),
    inference(modus_ponens,[status(thm)],[11,10]) ).

tff(13,plain,
    ^ [Y: $i,X: $i] :
      refl(
        ( ( is_a_theorem(Y)
          | ~ is_a_theorem(X)
          | ~ is_a_theorem(implies(X,Y)) )
      <=> ( is_a_theorem(Y)
          | ~ is_a_theorem(X)
          | ~ is_a_theorem(implies(X,Y)) ) )),
    inference(bind,[status(th)],]) ).

tff(14,plain,
    ( ! [Y: $i,X: $i] :
        ( is_a_theorem(Y)
        | ~ is_a_theorem(X)
        | ~ is_a_theorem(implies(X,Y)) )
  <=> ! [Y: $i,X: $i] :
        ( is_a_theorem(Y)
        | ~ is_a_theorem(X)
        | ~ is_a_theorem(implies(X,Y)) ) ),
    inference(quant_intro,[status(thm)],[13]) ).

tff(15,plain,
    ( ! [Y: $i,X: $i] :
        ( is_a_theorem(Y)
        | ~ is_a_theorem(X)
        | ~ is_a_theorem(implies(X,Y)) )
  <=> ! [Y: $i,X: $i] :
        ( is_a_theorem(Y)
        | ~ is_a_theorem(X)
        | ~ is_a_theorem(implies(X,Y)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(16,plain,
    ^ [Y: $i,X: $i] :
      trans(
        monotonicity(
          rewrite(
            ( ( ~ is_a_theorem(implies(X,Y))
              | ~ is_a_theorem(X) )
          <=> ( ~ is_a_theorem(X)
              | ~ is_a_theorem(implies(X,Y)) ) )),
          ( ( ~ is_a_theorem(implies(X,Y))
            | ~ is_a_theorem(X)
            | is_a_theorem(Y) )
        <=> ( ~ is_a_theorem(X)
            | ~ is_a_theorem(implies(X,Y))
            | is_a_theorem(Y) ) )),
        rewrite(
          ( ( ~ is_a_theorem(X)
            | ~ is_a_theorem(implies(X,Y))
            | is_a_theorem(Y) )
        <=> ( is_a_theorem(Y)
            | ~ is_a_theorem(X)
            | ~ is_a_theorem(implies(X,Y)) ) )),
        ( ( ~ is_a_theorem(implies(X,Y))
          | ~ is_a_theorem(X)
          | is_a_theorem(Y) )
      <=> ( is_a_theorem(Y)
          | ~ is_a_theorem(X)
          | ~ is_a_theorem(implies(X,Y)) ) )),
    inference(bind,[status(th)],]) ).

tff(17,plain,
    ( ! [Y: $i,X: $i] :
        ( ~ is_a_theorem(implies(X,Y))
        | ~ is_a_theorem(X)
        | is_a_theorem(Y) )
  <=> ! [Y: $i,X: $i] :
        ( is_a_theorem(Y)
        | ~ is_a_theorem(X)
        | ~ is_a_theorem(implies(X,Y)) ) ),
    inference(quant_intro,[status(thm)],[16]) ).

tff(18,axiom,
    ! [Y: $i,X: $i] :
      ( ~ is_a_theorem(implies(X,Y))
      | ~ is_a_theorem(X)
      | is_a_theorem(Y) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',condensed_detachment) ).

tff(19,plain,
    ! [Y: $i,X: $i] :
      ( is_a_theorem(Y)
      | ~ is_a_theorem(X)
      | ~ is_a_theorem(implies(X,Y)) ),
    inference(modus_ponens,[status(thm)],[18,17]) ).

tff(20,plain,
    ! [Y: $i,X: $i] :
      ( is_a_theorem(Y)
      | ~ is_a_theorem(X)
      | ~ is_a_theorem(implies(X,Y)) ),
    inference(modus_ponens,[status(thm)],[19,15]) ).

tff(21,plain,
    ! [Y: $i,X: $i] :
      ( is_a_theorem(Y)
      | ~ is_a_theorem(X)
      | ~ is_a_theorem(implies(X,Y)) ),
    inference(skolemize,[status(sab)],[20]) ).

tff(22,plain,
    ! [Y: $i,X: $i] :
      ( is_a_theorem(Y)
      | ~ is_a_theorem(X)
      | ~ is_a_theorem(implies(X,Y)) ),
    inference(modus_ponens,[status(thm)],[21,14]) ).

tff(23,plain,
    ( ( ~ ! [Y: $i,X: $i] :
            ( is_a_theorem(Y)
            | ~ is_a_theorem(X)
            | ~ is_a_theorem(implies(X,Y)) )
      | is_a_theorem(implies(not(not(a)),a))
      | ~ is_a_theorem(implies(not(a),implies(not(not(a)),a)))
      | ~ is_a_theorem(implies(implies(not(a),implies(not(not(a)),a)),implies(not(not(a)),a))) )
  <=> ( ~ ! [Y: $i,X: $i] :
            ( is_a_theorem(Y)
            | ~ is_a_theorem(X)
            | ~ is_a_theorem(implies(X,Y)) )
      | is_a_theorem(implies(not(not(a)),a))
      | ~ is_a_theorem(implies(not(a),implies(not(not(a)),a)))
      | ~ is_a_theorem(implies(implies(not(a),implies(not(not(a)),a)),implies(not(not(a)),a))) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(24,plain,
    ( ~ ! [Y: $i,X: $i] :
          ( is_a_theorem(Y)
          | ~ is_a_theorem(X)
          | ~ is_a_theorem(implies(X,Y)) )
    | is_a_theorem(implies(not(not(a)),a))
    | ~ is_a_theorem(implies(not(a),implies(not(not(a)),a)))
    | ~ is_a_theorem(implies(implies(not(a),implies(not(not(a)),a)),implies(not(not(a)),a))) ),
    inference(quant_inst,[status(thm)],]) ).

tff(25,plain,
    ( ~ ! [Y: $i,X: $i] :
          ( is_a_theorem(Y)
          | ~ is_a_theorem(X)
          | ~ is_a_theorem(implies(X,Y)) )
    | is_a_theorem(implies(not(not(a)),a))
    | ~ is_a_theorem(implies(not(a),implies(not(not(a)),a)))
    | ~ is_a_theorem(implies(implies(not(a),implies(not(not(a)),a)),implies(not(not(a)),a))) ),
    inference(modus_ponens,[status(thm)],[24,23]) ).

tff(26,plain,
    ~ is_a_theorem(implies(implies(not(a),implies(not(not(a)),a)),implies(not(not(a)),a))),
    inference(unit_resolution,[status(thm)],[25,22,12,9]) ).

tff(27,plain,
    ^ [Y: $i,X: $i] :
      refl(
        ( is_a_theorem(implies(X,implies(Y,X)))
      <=> is_a_theorem(implies(X,implies(Y,X))) )),
    inference(bind,[status(th)],]) ).

tff(28,plain,
    ( ! [Y: $i,X: $i] : is_a_theorem(implies(X,implies(Y,X)))
  <=> ! [Y: $i,X: $i] : is_a_theorem(implies(X,implies(Y,X))) ),
    inference(quant_intro,[status(thm)],[27]) ).

tff(29,plain,
    ( ! [Y: $i,X: $i] : is_a_theorem(implies(X,implies(Y,X)))
  <=> ! [Y: $i,X: $i] : is_a_theorem(implies(X,implies(Y,X))) ),
    inference(rewrite,[status(thm)],]) ).

tff(30,axiom,
    ! [Y: $i,X: $i] : is_a_theorem(implies(X,implies(Y,X))),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',cn_18) ).

tff(31,plain,
    ! [Y: $i,X: $i] : is_a_theorem(implies(X,implies(Y,X))),
    inference(modus_ponens,[status(thm)],[30,29]) ).

tff(32,plain,
    ! [Y: $i,X: $i] : is_a_theorem(implies(X,implies(Y,X))),
    inference(skolemize,[status(sab)],[31]) ).

tff(33,plain,
    ! [Y: $i,X: $i] : is_a_theorem(implies(X,implies(Y,X))),
    inference(modus_ponens,[status(thm)],[32,28]) ).

tff(34,plain,
    ( ~ ! [Y: $i,X: $i] : is_a_theorem(implies(X,implies(Y,X)))
    | is_a_theorem(implies(a,implies(not(not(a)),a))) ),
    inference(quant_inst,[status(thm)],]) ).

tff(35,plain,
    is_a_theorem(implies(a,implies(not(not(a)),a))),
    inference(unit_resolution,[status(thm)],[34,33]) ).

tff(36,plain,
    ^ [Y: $i,X: $i] :
      refl(
        ( is_a_theorem(implies(implies(X,Y),implies(implies(not(X),Y),Y)))
      <=> is_a_theorem(implies(implies(X,Y),implies(implies(not(X),Y),Y))) )),
    inference(bind,[status(th)],]) ).

tff(37,plain,
    ( ! [Y: $i,X: $i] : is_a_theorem(implies(implies(X,Y),implies(implies(not(X),Y),Y)))
  <=> ! [Y: $i,X: $i] : is_a_theorem(implies(implies(X,Y),implies(implies(not(X),Y),Y))) ),
    inference(quant_intro,[status(thm)],[36]) ).

tff(38,plain,
    ( ! [Y: $i,X: $i] : is_a_theorem(implies(implies(X,Y),implies(implies(not(X),Y),Y)))
  <=> ! [Y: $i,X: $i] : is_a_theorem(implies(implies(X,Y),implies(implies(not(X),Y),Y))) ),
    inference(rewrite,[status(thm)],]) ).

tff(39,axiom,
    ! [Y: $i,X: $i] : is_a_theorem(implies(implies(X,Y),implies(implies(not(X),Y),Y))),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',cn_54) ).

tff(40,plain,
    ! [Y: $i,X: $i] : is_a_theorem(implies(implies(X,Y),implies(implies(not(X),Y),Y))),
    inference(modus_ponens,[status(thm)],[39,38]) ).

tff(41,plain,
    ! [Y: $i,X: $i] : is_a_theorem(implies(implies(X,Y),implies(implies(not(X),Y),Y))),
    inference(skolemize,[status(sab)],[40]) ).

tff(42,plain,
    ! [Y: $i,X: $i] : is_a_theorem(implies(implies(X,Y),implies(implies(not(X),Y),Y))),
    inference(modus_ponens,[status(thm)],[41,37]) ).

tff(43,plain,
    ( ~ ! [Y: $i,X: $i] : is_a_theorem(implies(implies(X,Y),implies(implies(not(X),Y),Y)))
    | is_a_theorem(implies(implies(a,implies(not(not(a)),a)),implies(implies(not(a),implies(not(not(a)),a)),implies(not(not(a)),a)))) ),
    inference(quant_inst,[status(thm)],]) ).

tff(44,plain,
    is_a_theorem(implies(implies(a,implies(not(not(a)),a)),implies(implies(not(a),implies(not(not(a)),a)),implies(not(not(a)),a)))),
    inference(unit_resolution,[status(thm)],[43,42]) ).

tff(45,plain,
    ( ( ~ ! [Y: $i,X: $i] :
            ( is_a_theorem(Y)
            | ~ is_a_theorem(X)
            | ~ is_a_theorem(implies(X,Y)) )
      | is_a_theorem(implies(implies(not(a),implies(not(not(a)),a)),implies(not(not(a)),a)))
      | ~ is_a_theorem(implies(a,implies(not(not(a)),a)))
      | ~ is_a_theorem(implies(implies(a,implies(not(not(a)),a)),implies(implies(not(a),implies(not(not(a)),a)),implies(not(not(a)),a)))) )
  <=> ( ~ ! [Y: $i,X: $i] :
            ( is_a_theorem(Y)
            | ~ is_a_theorem(X)
            | ~ is_a_theorem(implies(X,Y)) )
      | is_a_theorem(implies(implies(not(a),implies(not(not(a)),a)),implies(not(not(a)),a)))
      | ~ is_a_theorem(implies(a,implies(not(not(a)),a)))
      | ~ is_a_theorem(implies(implies(a,implies(not(not(a)),a)),implies(implies(not(a),implies(not(not(a)),a)),implies(not(not(a)),a)))) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(46,plain,
    ( ~ ! [Y: $i,X: $i] :
          ( is_a_theorem(Y)
          | ~ is_a_theorem(X)
          | ~ is_a_theorem(implies(X,Y)) )
    | is_a_theorem(implies(implies(not(a),implies(not(not(a)),a)),implies(not(not(a)),a)))
    | ~ is_a_theorem(implies(a,implies(not(not(a)),a)))
    | ~ is_a_theorem(implies(implies(a,implies(not(not(a)),a)),implies(implies(not(a),implies(not(not(a)),a)),implies(not(not(a)),a)))) ),
    inference(quant_inst,[status(thm)],]) ).

tff(47,plain,
    ( ~ ! [Y: $i,X: $i] :
          ( is_a_theorem(Y)
          | ~ is_a_theorem(X)
          | ~ is_a_theorem(implies(X,Y)) )
    | is_a_theorem(implies(implies(not(a),implies(not(not(a)),a)),implies(not(not(a)),a)))
    | ~ is_a_theorem(implies(a,implies(not(not(a)),a)))
    | ~ is_a_theorem(implies(implies(a,implies(not(not(a)),a)),implies(implies(not(a),implies(not(not(a)),a)),implies(not(not(a)),a)))) ),
    inference(modus_ponens,[status(thm)],[46,45]) ).

tff(48,plain,
    ( is_a_theorem(implies(implies(not(a),implies(not(not(a)),a)),implies(not(not(a)),a)))
    | ~ is_a_theorem(implies(a,implies(not(not(a)),a))) ),
    inference(unit_resolution,[status(thm)],[47,22,44]) ).

tff(49,plain,
    $false,
    inference(unit_resolution,[status(thm)],[48,35,26]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : LCL043-1 : TPTP v8.1.0. Released v1.0.0.
% 0.03/0.13  % Command  : z3_tptp -proof -model -t:%d -file:%s
% 0.12/0.33  % Computer : n003.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 300
% 0.12/0.33  % DateTime : Thu Sep  1 17:21:39 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.12/0.34  Z3tptp [4.8.9.0] (c) 2006-20**. Microsoft Corp.
% 0.12/0.34  Usage: tptp [options] [-file:]file
% 0.12/0.34    -h, -?       prints this message.
% 0.12/0.34    -smt2        print SMT-LIB2 benchmark.
% 0.12/0.34    -m, -model   generate model.
% 0.12/0.34    -p, -proof   generate proof.
% 0.12/0.34    -c, -core    generate unsat core of named formulas.
% 0.12/0.34    -st, -statistics display statistics.
% 0.12/0.34    -t:timeout   set timeout (in second).
% 0.12/0.34    -smt2status  display status in smt2 format instead of SZS.
% 0.12/0.34    -check_status check the status produced by Z3 against annotation in benchmark.
% 0.12/0.34    -<param>:<value> configuration parameter and value.
% 0.12/0.34    -o:<output-file> file to place output in.
% 0.19/0.38  % SZS status Unsatisfiable
% 0.19/0.38  % SZS output start Proof
% See solution above
%------------------------------------------------------------------------------