TSTP Solution File: SET023-3 by Z3---4.8.9.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Z3---4.8.9.0
% Problem  : SET023-3 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp
% Command  : z3_tptp -proof -model -t:%d -file:%s

% Computer : n005.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 : Tue Sep 20 05:04:55 EDT 2022

% Result   : Unsatisfiable 0.19s 0.43s
% Output   : Proof 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   12
%            Number of leaves      :   34
% Syntax   : Number of formulae    :   72 (  18 unt;   7 typ;   0 def)
%            Number of atoms       :  243 (  55 equ)
%            Maximal formula atoms :   12 (   3 avg)
%            Number of connectives :  321 ( 149   ~; 145   |;   0   &)
%                                         (  27 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   4 avg)
%            Maximal term depth    :    4 (   2 avg)
%            Number of FOOLs       :    6 (   6 fml;   0 var)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    7 (   6   >;   1   *;   0   +;   0  <<)
%            Number of predicates  :    6 (   4 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   1 con; 0-2 aty)
%            Number of variables   :   85 (  77   !;   0   ?;  85   :)

% Comments : 
%------------------------------------------------------------------------------
tff(little_set_type,type,
    little_set: $i > $o ).

tff(second_type,type,
    second: $i > $i ).

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

tff(f3_type,type,
    f3: $i > $i ).

tff(ordered_pair_type,type,
    ordered_pair: ( $i * $i ) > $i ).

tff(f2_type,type,
    f2: $i > $i ).

tff(ordered_pair_predicate_type,type,
    ordered_pair_predicate: $i > $o ).

tff(1,plain,
    ( ordered_pair_predicate(a)
  <=> ordered_pair_predicate(a) ),
    inference(rewrite,[status(thm)],]) ).

tff(2,axiom,
    ordered_pair_predicate(a),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',an_ordered_pair_predicate) ).

tff(3,plain,
    ordered_pair_predicate(a),
    inference(modus_ponens,[status(thm)],[2,1]) ).

tff(4,plain,
    ^ [X: $i] :
      refl(
        ( ( ~ ordered_pair_predicate(X)
          | little_set(f3(X)) )
      <=> ( ~ ordered_pair_predicate(X)
          | little_set(f3(X)) ) )),
    inference(bind,[status(th)],]) ).

tff(5,plain,
    ( ! [X: $i] :
        ( ~ ordered_pair_predicate(X)
        | little_set(f3(X)) )
  <=> ! [X: $i] :
        ( ~ ordered_pair_predicate(X)
        | little_set(f3(X)) ) ),
    inference(quant_intro,[status(thm)],[4]) ).

tff(6,plain,
    ( ! [X: $i] :
        ( ~ ordered_pair_predicate(X)
        | little_set(f3(X)) )
  <=> ! [X: $i] :
        ( ~ ordered_pair_predicate(X)
        | little_set(f3(X)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(7,axiom,
    ! [X: $i] :
      ( ~ ordered_pair_predicate(X)
      | little_set(f3(X)) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SET003-0.ax',ordered_pair_predicate2) ).

tff(8,plain,
    ! [X: $i] :
      ( ~ ordered_pair_predicate(X)
      | little_set(f3(X)) ),
    inference(modus_ponens,[status(thm)],[7,6]) ).

tff(9,plain,
    ! [X: $i] :
      ( ~ ordered_pair_predicate(X)
      | little_set(f3(X)) ),
    inference(skolemize,[status(sab)],[8]) ).

tff(10,plain,
    ! [X: $i] :
      ( ~ ordered_pair_predicate(X)
      | little_set(f3(X)) ),
    inference(modus_ponens,[status(thm)],[9,5]) ).

tff(11,plain,
    ( ( ~ ! [X: $i] :
            ( ~ ordered_pair_predicate(X)
            | little_set(f3(X)) )
      | ~ ordered_pair_predicate(a)
      | little_set(f3(a)) )
  <=> ( ~ ! [X: $i] :
            ( ~ ordered_pair_predicate(X)
            | little_set(f3(X)) )
      | ~ ordered_pair_predicate(a)
      | little_set(f3(a)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(12,plain,
    ( ~ ! [X: $i] :
          ( ~ ordered_pair_predicate(X)
          | little_set(f3(X)) )
    | ~ ordered_pair_predicate(a)
    | little_set(f3(a)) ),
    inference(quant_inst,[status(thm)],]) ).

tff(13,plain,
    ( ~ ! [X: $i] :
          ( ~ ordered_pair_predicate(X)
          | little_set(f3(X)) )
    | ~ ordered_pair_predicate(a)
    | little_set(f3(a)) ),
    inference(modus_ponens,[status(thm)],[12,11]) ).

tff(14,plain,
    little_set(f3(a)),
    inference(unit_resolution,[status(thm)],[13,10,3]) ).

tff(15,plain,
    ^ [X: $i] :
      refl(
        ( ( little_set(f2(X))
          | ~ ordered_pair_predicate(X) )
      <=> ( little_set(f2(X))
          | ~ ordered_pair_predicate(X) ) )),
    inference(bind,[status(th)],]) ).

tff(16,plain,
    ( ! [X: $i] :
        ( little_set(f2(X))
        | ~ ordered_pair_predicate(X) )
  <=> ! [X: $i] :
        ( little_set(f2(X))
        | ~ ordered_pair_predicate(X) ) ),
    inference(quant_intro,[status(thm)],[15]) ).

tff(17,plain,
    ( ! [X: $i] :
        ( little_set(f2(X))
        | ~ ordered_pair_predicate(X) )
  <=> ! [X: $i] :
        ( little_set(f2(X))
        | ~ ordered_pair_predicate(X) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(18,plain,
    ^ [X: $i] :
      rewrite(
        ( ( ~ ordered_pair_predicate(X)
          | little_set(f2(X)) )
      <=> ( little_set(f2(X))
          | ~ ordered_pair_predicate(X) ) )),
    inference(bind,[status(th)],]) ).

tff(19,plain,
    ( ! [X: $i] :
        ( ~ ordered_pair_predicate(X)
        | little_set(f2(X)) )
  <=> ! [X: $i] :
        ( little_set(f2(X))
        | ~ ordered_pair_predicate(X) ) ),
    inference(quant_intro,[status(thm)],[18]) ).

tff(20,axiom,
    ! [X: $i] :
      ( ~ ordered_pair_predicate(X)
      | little_set(f2(X)) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SET003-0.ax',ordered_pair_predicate1) ).

tff(21,plain,
    ! [X: $i] :
      ( little_set(f2(X))
      | ~ ordered_pair_predicate(X) ),
    inference(modus_ponens,[status(thm)],[20,19]) ).

tff(22,plain,
    ! [X: $i] :
      ( little_set(f2(X))
      | ~ ordered_pair_predicate(X) ),
    inference(modus_ponens,[status(thm)],[21,17]) ).

tff(23,plain,
    ! [X: $i] :
      ( little_set(f2(X))
      | ~ ordered_pair_predicate(X) ),
    inference(skolemize,[status(sab)],[22]) ).

tff(24,plain,
    ! [X: $i] :
      ( little_set(f2(X))
      | ~ ordered_pair_predicate(X) ),
    inference(modus_ponens,[status(thm)],[23,16]) ).

tff(25,plain,
    ( ( ~ ! [X: $i] :
            ( little_set(f2(X))
            | ~ ordered_pair_predicate(X) )
      | little_set(f2(a))
      | ~ ordered_pair_predicate(a) )
  <=> ( ~ ! [X: $i] :
            ( little_set(f2(X))
            | ~ ordered_pair_predicate(X) )
      | little_set(f2(a))
      | ~ ordered_pair_predicate(a) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(26,plain,
    ( ~ ! [X: $i] :
          ( little_set(f2(X))
          | ~ ordered_pair_predicate(X) )
    | little_set(f2(a))
    | ~ ordered_pair_predicate(a) ),
    inference(quant_inst,[status(thm)],]) ).

tff(27,plain,
    ( ~ ! [X: $i] :
          ( little_set(f2(X))
          | ~ ordered_pair_predicate(X) )
    | little_set(f2(a))
    | ~ ordered_pair_predicate(a) ),
    inference(modus_ponens,[status(thm)],[26,25]) ).

tff(28,plain,
    little_set(f2(a)),
    inference(unit_resolution,[status(thm)],[27,24,3]) ).

tff(29,plain,
    ^ [Y: $i,X: $i] :
      refl(
        ( ( ~ little_set(Y)
          | ~ little_set(X)
          | ( second(ordered_pair(X,Y)) = Y ) )
      <=> ( ~ little_set(Y)
          | ~ little_set(X)
          | ( second(ordered_pair(X,Y)) = Y ) ) )),
    inference(bind,[status(th)],]) ).

tff(30,plain,
    ( ! [Y: $i,X: $i] :
        ( ~ little_set(Y)
        | ~ little_set(X)
        | ( second(ordered_pair(X,Y)) = Y ) )
  <=> ! [Y: $i,X: $i] :
        ( ~ little_set(Y)
        | ~ little_set(X)
        | ( second(ordered_pair(X,Y)) = Y ) ) ),
    inference(quant_intro,[status(thm)],[29]) ).

tff(31,plain,
    ( ! [Y: $i,X: $i] :
        ( ~ little_set(Y)
        | ~ little_set(X)
        | ( second(ordered_pair(X,Y)) = Y ) )
  <=> ! [Y: $i,X: $i] :
        ( ~ little_set(Y)
        | ~ little_set(X)
        | ( second(ordered_pair(X,Y)) = Y ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(32,plain,
    ^ [Y: $i,X: $i] :
      rewrite(
        ( ( ~ little_set(X)
          | ~ little_set(Y)
          | ( second(ordered_pair(X,Y)) = Y ) )
      <=> ( ~ little_set(Y)
          | ~ little_set(X)
          | ( second(ordered_pair(X,Y)) = Y ) ) )),
    inference(bind,[status(th)],]) ).

tff(33,plain,
    ( ! [Y: $i,X: $i] :
        ( ~ little_set(X)
        | ~ little_set(Y)
        | ( second(ordered_pair(X,Y)) = Y ) )
  <=> ! [Y: $i,X: $i] :
        ( ~ little_set(Y)
        | ~ little_set(X)
        | ( second(ordered_pair(X,Y)) = Y ) ) ),
    inference(quant_intro,[status(thm)],[32]) ).

tff(34,axiom,
    ! [Y: $i,X: $i] :
      ( ~ little_set(X)
      | ~ little_set(Y)
      | ( second(ordered_pair(X,Y)) = Y ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',property_of_second) ).

tff(35,plain,
    ! [Y: $i,X: $i] :
      ( ~ little_set(Y)
      | ~ little_set(X)
      | ( second(ordered_pair(X,Y)) = Y ) ),
    inference(modus_ponens,[status(thm)],[34,33]) ).

tff(36,plain,
    ! [Y: $i,X: $i] :
      ( ~ little_set(Y)
      | ~ little_set(X)
      | ( second(ordered_pair(X,Y)) = Y ) ),
    inference(modus_ponens,[status(thm)],[35,31]) ).

tff(37,plain,
    ! [Y: $i,X: $i] :
      ( ~ little_set(Y)
      | ~ little_set(X)
      | ( second(ordered_pair(X,Y)) = Y ) ),
    inference(skolemize,[status(sab)],[36]) ).

tff(38,plain,
    ! [Y: $i,X: $i] :
      ( ~ little_set(Y)
      | ~ little_set(X)
      | ( second(ordered_pair(X,Y)) = Y ) ),
    inference(modus_ponens,[status(thm)],[37,30]) ).

tff(39,plain,
    ( ( ~ ! [Y: $i,X: $i] :
            ( ~ little_set(Y)
            | ~ little_set(X)
            | ( second(ordered_pair(X,Y)) = Y ) )
      | ~ little_set(f2(a))
      | ~ little_set(f3(a))
      | ( second(ordered_pair(f2(a),f3(a))) = f3(a) ) )
  <=> ( ~ ! [Y: $i,X: $i] :
            ( ~ little_set(Y)
            | ~ little_set(X)
            | ( second(ordered_pair(X,Y)) = Y ) )
      | ~ little_set(f2(a))
      | ~ little_set(f3(a))
      | ( second(ordered_pair(f2(a),f3(a))) = f3(a) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(40,plain,
    ( ( ~ little_set(f3(a))
      | ~ little_set(f2(a))
      | ( second(ordered_pair(f2(a),f3(a))) = f3(a) ) )
  <=> ( ~ little_set(f2(a))
      | ~ little_set(f3(a))
      | ( second(ordered_pair(f2(a),f3(a))) = f3(a) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(41,plain,
    ( ( ~ ! [Y: $i,X: $i] :
            ( ~ little_set(Y)
            | ~ little_set(X)
            | ( second(ordered_pair(X,Y)) = Y ) )
      | ~ little_set(f3(a))
      | ~ little_set(f2(a))
      | ( second(ordered_pair(f2(a),f3(a))) = f3(a) ) )
  <=> ( ~ ! [Y: $i,X: $i] :
            ( ~ little_set(Y)
            | ~ little_set(X)
            | ( second(ordered_pair(X,Y)) = Y ) )
      | ~ little_set(f2(a))
      | ~ little_set(f3(a))
      | ( second(ordered_pair(f2(a),f3(a))) = f3(a) ) ) ),
    inference(monotonicity,[status(thm)],[40]) ).

tff(42,plain,
    ( ( ~ ! [Y: $i,X: $i] :
            ( ~ little_set(Y)
            | ~ little_set(X)
            | ( second(ordered_pair(X,Y)) = Y ) )
      | ~ little_set(f3(a))
      | ~ little_set(f2(a))
      | ( second(ordered_pair(f2(a),f3(a))) = f3(a) ) )
  <=> ( ~ ! [Y: $i,X: $i] :
            ( ~ little_set(Y)
            | ~ little_set(X)
            | ( second(ordered_pair(X,Y)) = Y ) )
      | ~ little_set(f2(a))
      | ~ little_set(f3(a))
      | ( second(ordered_pair(f2(a),f3(a))) = f3(a) ) ) ),
    inference(transitivity,[status(thm)],[41,39]) ).

tff(43,plain,
    ( ~ ! [Y: $i,X: $i] :
          ( ~ little_set(Y)
          | ~ little_set(X)
          | ( second(ordered_pair(X,Y)) = Y ) )
    | ~ little_set(f3(a))
    | ~ little_set(f2(a))
    | ( second(ordered_pair(f2(a),f3(a))) = f3(a) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(44,plain,
    ( ~ ! [Y: $i,X: $i] :
          ( ~ little_set(Y)
          | ~ little_set(X)
          | ( second(ordered_pair(X,Y)) = Y ) )
    | ~ little_set(f2(a))
    | ~ little_set(f3(a))
    | ( second(ordered_pair(f2(a),f3(a))) = f3(a) ) ),
    inference(modus_ponens,[status(thm)],[43,42]) ).

tff(45,plain,
    second(ordered_pair(f2(a),f3(a))) = f3(a),
    inference(unit_resolution,[status(thm)],[44,38,28,14]) ).

tff(46,plain,
    ^ [X: $i] :
      refl(
        ( ( ~ ordered_pair_predicate(X)
          | ( X = ordered_pair(f2(X),f3(X)) ) )
      <=> ( ~ ordered_pair_predicate(X)
          | ( X = ordered_pair(f2(X),f3(X)) ) ) )),
    inference(bind,[status(th)],]) ).

tff(47,plain,
    ( ! [X: $i] :
        ( ~ ordered_pair_predicate(X)
        | ( X = ordered_pair(f2(X),f3(X)) ) )
  <=> ! [X: $i] :
        ( ~ ordered_pair_predicate(X)
        | ( X = ordered_pair(f2(X),f3(X)) ) ) ),
    inference(quant_intro,[status(thm)],[46]) ).

tff(48,plain,
    ( ! [X: $i] :
        ( ~ ordered_pair_predicate(X)
        | ( X = ordered_pair(f2(X),f3(X)) ) )
  <=> ! [X: $i] :
        ( ~ ordered_pair_predicate(X)
        | ( X = ordered_pair(f2(X),f3(X)) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(49,axiom,
    ! [X: $i] :
      ( ~ ordered_pair_predicate(X)
      | ( X = ordered_pair(f2(X),f3(X)) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SET003-0.ax',ordered_pair_predicate3) ).

tff(50,plain,
    ! [X: $i] :
      ( ~ ordered_pair_predicate(X)
      | ( X = ordered_pair(f2(X),f3(X)) ) ),
    inference(modus_ponens,[status(thm)],[49,48]) ).

tff(51,plain,
    ! [X: $i] :
      ( ~ ordered_pair_predicate(X)
      | ( X = ordered_pair(f2(X),f3(X)) ) ),
    inference(skolemize,[status(sab)],[50]) ).

tff(52,plain,
    ! [X: $i] :
      ( ~ ordered_pair_predicate(X)
      | ( X = ordered_pair(f2(X),f3(X)) ) ),
    inference(modus_ponens,[status(thm)],[51,47]) ).

tff(53,plain,
    ( ( ~ ! [X: $i] :
            ( ~ ordered_pair_predicate(X)
            | ( X = ordered_pair(f2(X),f3(X)) ) )
      | ~ ordered_pair_predicate(a)
      | ( a = ordered_pair(f2(a),f3(a)) ) )
  <=> ( ~ ! [X: $i] :
            ( ~ ordered_pair_predicate(X)
            | ( X = ordered_pair(f2(X),f3(X)) ) )
      | ~ ordered_pair_predicate(a)
      | ( a = ordered_pair(f2(a),f3(a)) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(54,plain,
    ( ~ ! [X: $i] :
          ( ~ ordered_pair_predicate(X)
          | ( X = ordered_pair(f2(X),f3(X)) ) )
    | ~ ordered_pair_predicate(a)
    | ( a = ordered_pair(f2(a),f3(a)) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(55,plain,
    ( ~ ! [X: $i] :
          ( ~ ordered_pair_predicate(X)
          | ( X = ordered_pair(f2(X),f3(X)) ) )
    | ~ ordered_pair_predicate(a)
    | ( a = ordered_pair(f2(a),f3(a)) ) ),
    inference(modus_ponens,[status(thm)],[54,53]) ).

tff(56,plain,
    a = ordered_pair(f2(a),f3(a)),
    inference(unit_resolution,[status(thm)],[55,52,3]) ).

tff(57,plain,
    second(a) = second(ordered_pair(f2(a),f3(a))),
    inference(monotonicity,[status(thm)],[56]) ).

tff(58,plain,
    second(a) = f3(a),
    inference(transitivity,[status(thm)],[57,45]) ).

tff(59,plain,
    ( little_set(second(a))
  <=> little_set(f3(a)) ),
    inference(monotonicity,[status(thm)],[58]) ).

tff(60,plain,
    ( little_set(f3(a))
  <=> little_set(second(a)) ),
    inference(symmetry,[status(thm)],[59]) ).

tff(61,plain,
    little_set(second(a)),
    inference(modus_ponens,[status(thm)],[14,60]) ).

tff(62,plain,
    ( ~ little_set(second(a))
  <=> ~ little_set(second(a)) ),
    inference(rewrite,[status(thm)],]) ).

tff(63,axiom,
    ~ little_set(second(a)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_second_component_is_small) ).

tff(64,plain,
    ~ little_set(second(a)),
    inference(modus_ponens,[status(thm)],[63,62]) ).

tff(65,plain,
    $false,
    inference(unit_resolution,[status(thm)],[64,61]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.12  % Problem  : SET023-3 : TPTP v8.1.0. Released v1.0.0.
% 0.04/0.13  % Command  : z3_tptp -proof -model -t:%d -file:%s
% 0.12/0.33  % Computer : n005.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 : Sat Sep  3 01:20:03 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.
% 0.19/0.43  % SZS status Unsatisfiable
% 0.19/0.43  % SZS output start Proof
% See solution above
%------------------------------------------------------------------------------