TSTP Solution File: SET122-7 by Z3---4.8.9.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Z3---4.8.9.0
% Problem  : SET122-7 : TPTP v8.1.0. Bugfixed v7.3.0.
% Transfm  : none
% Format   : tptp
% Command  : z3_tptp -proof -model -t:%d -file:%s

% Computer : n017.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 05:05:48 EDT 2022

% Result   : Unsatisfiable 0.20s 0.44s
% Output   : Proof 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :   29
% Syntax   : Number of formulae    :   55 (  12 unt;   8 typ;   0 def)
%            Number of atoms       :  156 (  79 equ)
%            Maximal formula atoms :    8 (   3 avg)
%            Number of connectives :  147 (  42   ~;  85   |;   0   &)
%                                         (  20 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   10 (   4 avg)
%            Maximal term depth    :    4 (   2 avg)
%            Number of FOOLs       :    4 (   4 fml;   0 var)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    8 (   5   >;   3   *;   0   +;   0  <<)
%            Number of predicates  :    5 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   3 con; 0-2 aty)
%            Number of variables   :   86 (  79   !;   0   ?;  86   :)

% Comments : 
%------------------------------------------------------------------------------
tff(member_type,type,
    member: ( $i * $i ) > $o ).

tff(cross_product_type,type,
    cross_product: ( $i * $i ) > $i ).

tff(universal_class_type,type,
    universal_class: $i ).

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

tff(y_type,type,
    y: $i ).

tff(x_type,type,
    x: $i ).

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

tff(first_type,type,
    first: $i > $i ).

tff(1,plain,
    ( ( second(ordered_pair(x,y)) != ordered_pair(x,y) )
  <=> ( second(ordered_pair(x,y)) != ordered_pair(x,y) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(2,axiom,
    second(ordered_pair(x,y)) != ordered_pair(x,y),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_corollary_2_to_OP_determines_components2_2) ).

tff(3,plain,
    second(ordered_pair(x,y)) != ordered_pair(x,y),
    inference(modus_ponens,[status(thm)],[2,1]) ).

tff(4,plain,
    ^ [X: $i] :
      refl(
        ( ( ( second(X) = X )
          | ( ordered_pair(first(X),second(X)) = X ) )
      <=> ( ( second(X) = X )
          | ( ordered_pair(first(X),second(X)) = X ) ) )),
    inference(bind,[status(th)],]) ).

tff(5,plain,
    ( ! [X: $i] :
        ( ( second(X) = X )
        | ( ordered_pair(first(X),second(X)) = X ) )
  <=> ! [X: $i] :
        ( ( second(X) = X )
        | ( ordered_pair(first(X),second(X)) = X ) ) ),
    inference(quant_intro,[status(thm)],[4]) ).

tff(6,plain,
    ( ! [X: $i] :
        ( ( second(X) = X )
        | ( ordered_pair(first(X),second(X)) = X ) )
  <=> ! [X: $i] :
        ( ( second(X) = X )
        | ( ordered_pair(first(X),second(X)) = X ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(7,plain,
    ^ [X: $i] :
      rewrite(
        ( ( ( ordered_pair(first(X),second(X)) = X )
          | ( second(X) = X ) )
      <=> ( ( second(X) = X )
          | ( ordered_pair(first(X),second(X)) = X ) ) )),
    inference(bind,[status(th)],]) ).

tff(8,plain,
    ( ! [X: $i] :
        ( ( ordered_pair(first(X),second(X)) = X )
        | ( second(X) = X ) )
  <=> ! [X: $i] :
        ( ( second(X) = X )
        | ( ordered_pair(first(X),second(X)) = X ) ) ),
    inference(quant_intro,[status(thm)],[7]) ).

tff(9,axiom,
    ! [X: $i] :
      ( ( ordered_pair(first(X),second(X)) = X )
      | ( second(X) = X ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',existence_of_1st_and_2nd_5) ).

tff(10,plain,
    ! [X: $i] :
      ( ( second(X) = X )
      | ( ordered_pair(first(X),second(X)) = X ) ),
    inference(modus_ponens,[status(thm)],[9,8]) ).

tff(11,plain,
    ! [X: $i] :
      ( ( second(X) = X )
      | ( ordered_pair(first(X),second(X)) = X ) ),
    inference(modus_ponens,[status(thm)],[10,6]) ).

tff(12,plain,
    ! [X: $i] :
      ( ( second(X) = X )
      | ( ordered_pair(first(X),second(X)) = X ) ),
    inference(skolemize,[status(sab)],[11]) ).

tff(13,plain,
    ! [X: $i] :
      ( ( second(X) = X )
      | ( ordered_pair(first(X),second(X)) = X ) ),
    inference(modus_ponens,[status(thm)],[12,5]) ).

tff(14,plain,
    ( ( ~ ! [X: $i] :
            ( ( second(X) = X )
            | ( ordered_pair(first(X),second(X)) = X ) )
      | ( second(ordered_pair(x,y)) = ordered_pair(x,y) )
      | ( ordered_pair(first(ordered_pair(x,y)),second(ordered_pair(x,y))) = ordered_pair(x,y) ) )
  <=> ( ~ ! [X: $i] :
            ( ( second(X) = X )
            | ( ordered_pair(first(X),second(X)) = X ) )
      | ( second(ordered_pair(x,y)) = ordered_pair(x,y) )
      | ( ordered_pair(first(ordered_pair(x,y)),second(ordered_pair(x,y))) = ordered_pair(x,y) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(15,plain,
    ( ~ ! [X: $i] :
          ( ( second(X) = X )
          | ( ordered_pair(first(X),second(X)) = X ) )
    | ( second(ordered_pair(x,y)) = ordered_pair(x,y) )
    | ( ordered_pair(first(ordered_pair(x,y)),second(ordered_pair(x,y))) = ordered_pair(x,y) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(16,plain,
    ( ~ ! [X: $i] :
          ( ( second(X) = X )
          | ( ordered_pair(first(X),second(X)) = X ) )
    | ( second(ordered_pair(x,y)) = ordered_pair(x,y) )
    | ( ordered_pair(first(ordered_pair(x,y)),second(ordered_pair(x,y))) = ordered_pair(x,y) ) ),
    inference(modus_ponens,[status(thm)],[15,14]) ).

tff(17,plain,
    ordered_pair(first(ordered_pair(x,y)),second(ordered_pair(x,y))) = ordered_pair(x,y),
    inference(unit_resolution,[status(thm)],[16,13,3]) ).

tff(18,plain,
    ( member(ordered_pair(first(ordered_pair(x,y)),second(ordered_pair(x,y))),cross_product(universal_class,universal_class))
  <=> member(ordered_pair(x,y),cross_product(universal_class,universal_class)) ),
    inference(monotonicity,[status(thm)],[17]) ).

tff(19,plain,
    ^ [X: $i] :
      refl(
        ( ( member(ordered_pair(first(X),second(X)),cross_product(universal_class,universal_class))
          | ( second(X) = X ) )
      <=> ( member(ordered_pair(first(X),second(X)),cross_product(universal_class,universal_class))
          | ( second(X) = X ) ) )),
    inference(bind,[status(th)],]) ).

tff(20,plain,
    ( ! [X: $i] :
        ( member(ordered_pair(first(X),second(X)),cross_product(universal_class,universal_class))
        | ( second(X) = X ) )
  <=> ! [X: $i] :
        ( member(ordered_pair(first(X),second(X)),cross_product(universal_class,universal_class))
        | ( second(X) = X ) ) ),
    inference(quant_intro,[status(thm)],[19]) ).

tff(21,plain,
    ( ! [X: $i] :
        ( member(ordered_pair(first(X),second(X)),cross_product(universal_class,universal_class))
        | ( second(X) = X ) )
  <=> ! [X: $i] :
        ( member(ordered_pair(first(X),second(X)),cross_product(universal_class,universal_class))
        | ( second(X) = X ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(22,axiom,
    ! [X: $i] :
      ( member(ordered_pair(first(X),second(X)),cross_product(universal_class,universal_class))
      | ( second(X) = X ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',existence_of_1st_and_2nd_3) ).

tff(23,plain,
    ! [X: $i] :
      ( member(ordered_pair(first(X),second(X)),cross_product(universal_class,universal_class))
      | ( second(X) = X ) ),
    inference(modus_ponens,[status(thm)],[22,21]) ).

tff(24,plain,
    ! [X: $i] :
      ( member(ordered_pair(first(X),second(X)),cross_product(universal_class,universal_class))
      | ( second(X) = X ) ),
    inference(skolemize,[status(sab)],[23]) ).

tff(25,plain,
    ! [X: $i] :
      ( member(ordered_pair(first(X),second(X)),cross_product(universal_class,universal_class))
      | ( second(X) = X ) ),
    inference(modus_ponens,[status(thm)],[24,20]) ).

tff(26,plain,
    ( ( ~ ! [X: $i] :
            ( member(ordered_pair(first(X),second(X)),cross_product(universal_class,universal_class))
            | ( second(X) = X ) )
      | ( second(ordered_pair(x,y)) = ordered_pair(x,y) )
      | member(ordered_pair(first(ordered_pair(x,y)),second(ordered_pair(x,y))),cross_product(universal_class,universal_class)) )
  <=> ( ~ ! [X: $i] :
            ( member(ordered_pair(first(X),second(X)),cross_product(universal_class,universal_class))
            | ( second(X) = X ) )
      | ( second(ordered_pair(x,y)) = ordered_pair(x,y) )
      | member(ordered_pair(first(ordered_pair(x,y)),second(ordered_pair(x,y))),cross_product(universal_class,universal_class)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(27,plain,
    ( ( member(ordered_pair(first(ordered_pair(x,y)),second(ordered_pair(x,y))),cross_product(universal_class,universal_class))
      | ( second(ordered_pair(x,y)) = ordered_pair(x,y) ) )
  <=> ( ( second(ordered_pair(x,y)) = ordered_pair(x,y) )
      | member(ordered_pair(first(ordered_pair(x,y)),second(ordered_pair(x,y))),cross_product(universal_class,universal_class)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(28,plain,
    ( ( ~ ! [X: $i] :
            ( member(ordered_pair(first(X),second(X)),cross_product(universal_class,universal_class))
            | ( second(X) = X ) )
      | member(ordered_pair(first(ordered_pair(x,y)),second(ordered_pair(x,y))),cross_product(universal_class,universal_class))
      | ( second(ordered_pair(x,y)) = ordered_pair(x,y) ) )
  <=> ( ~ ! [X: $i] :
            ( member(ordered_pair(first(X),second(X)),cross_product(universal_class,universal_class))
            | ( second(X) = X ) )
      | ( second(ordered_pair(x,y)) = ordered_pair(x,y) )
      | member(ordered_pair(first(ordered_pair(x,y)),second(ordered_pair(x,y))),cross_product(universal_class,universal_class)) ) ),
    inference(monotonicity,[status(thm)],[27]) ).

tff(29,plain,
    ( ( ~ ! [X: $i] :
            ( member(ordered_pair(first(X),second(X)),cross_product(universal_class,universal_class))
            | ( second(X) = X ) )
      | member(ordered_pair(first(ordered_pair(x,y)),second(ordered_pair(x,y))),cross_product(universal_class,universal_class))
      | ( second(ordered_pair(x,y)) = ordered_pair(x,y) ) )
  <=> ( ~ ! [X: $i] :
            ( member(ordered_pair(first(X),second(X)),cross_product(universal_class,universal_class))
            | ( second(X) = X ) )
      | ( second(ordered_pair(x,y)) = ordered_pair(x,y) )
      | member(ordered_pair(first(ordered_pair(x,y)),second(ordered_pair(x,y))),cross_product(universal_class,universal_class)) ) ),
    inference(transitivity,[status(thm)],[28,26]) ).

tff(30,plain,
    ( ~ ! [X: $i] :
          ( member(ordered_pair(first(X),second(X)),cross_product(universal_class,universal_class))
          | ( second(X) = X ) )
    | member(ordered_pair(first(ordered_pair(x,y)),second(ordered_pair(x,y))),cross_product(universal_class,universal_class))
    | ( second(ordered_pair(x,y)) = ordered_pair(x,y) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(31,plain,
    ( ~ ! [X: $i] :
          ( member(ordered_pair(first(X),second(X)),cross_product(universal_class,universal_class))
          | ( second(X) = X ) )
    | ( second(ordered_pair(x,y)) = ordered_pair(x,y) )
    | member(ordered_pair(first(ordered_pair(x,y)),second(ordered_pair(x,y))),cross_product(universal_class,universal_class)) ),
    inference(modus_ponens,[status(thm)],[30,29]) ).

tff(32,plain,
    member(ordered_pair(first(ordered_pair(x,y)),second(ordered_pair(x,y))),cross_product(universal_class,universal_class)),
    inference(unit_resolution,[status(thm)],[31,25,3]) ).

tff(33,plain,
    member(ordered_pair(x,y),cross_product(universal_class,universal_class)),
    inference(modus_ponens,[status(thm)],[32,18]) ).

tff(34,plain,
    ( ~ member(y,universal_class)
  <=> ~ member(y,universal_class) ),
    inference(rewrite,[status(thm)],]) ).

tff(35,axiom,
    ~ member(y,universal_class),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_corollary_2_to_OP_determines_components2_1) ).

tff(36,plain,
    ~ member(y,universal_class),
    inference(modus_ponens,[status(thm)],[35,34]) ).

tff(37,plain,
    ^ [V: $i,Y: $i,U: $i,X: $i] :
      refl(
        ( ( ~ member(ordered_pair(U,V),cross_product(X,Y))
          | member(V,universal_class) )
      <=> ( ~ member(ordered_pair(U,V),cross_product(X,Y))
          | member(V,universal_class) ) )),
    inference(bind,[status(th)],]) ).

tff(38,plain,
    ( ! [V: $i,Y: $i,U: $i,X: $i] :
        ( ~ member(ordered_pair(U,V),cross_product(X,Y))
        | member(V,universal_class) )
  <=> ! [V: $i,Y: $i,U: $i,X: $i] :
        ( ~ member(ordered_pair(U,V),cross_product(X,Y))
        | member(V,universal_class) ) ),
    inference(quant_intro,[status(thm)],[37]) ).

tff(39,plain,
    ( ! [V: $i,Y: $i,U: $i,X: $i] :
        ( ~ member(ordered_pair(U,V),cross_product(X,Y))
        | member(V,universal_class) )
  <=> ! [V: $i,Y: $i,U: $i,X: $i] :
        ( ~ member(ordered_pair(U,V),cross_product(X,Y))
        | member(V,universal_class) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(40,axiom,
    ! [V: $i,Y: $i,U: $i,X: $i] :
      ( ~ member(ordered_pair(U,V),cross_product(X,Y))
      | member(V,universal_class) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',corollary_2_to_cartesian_product) ).

tff(41,plain,
    ! [V: $i,Y: $i,U: $i,X: $i] :
      ( ~ member(ordered_pair(U,V),cross_product(X,Y))
      | member(V,universal_class) ),
    inference(modus_ponens,[status(thm)],[40,39]) ).

tff(42,plain,
    ! [V: $i,Y: $i,U: $i,X: $i] :
      ( ~ member(ordered_pair(U,V),cross_product(X,Y))
      | member(V,universal_class) ),
    inference(skolemize,[status(sab)],[41]) ).

tff(43,plain,
    ! [V: $i,Y: $i,U: $i,X: $i] :
      ( ~ member(ordered_pair(U,V),cross_product(X,Y))
      | member(V,universal_class) ),
    inference(modus_ponens,[status(thm)],[42,38]) ).

tff(44,plain,
    ( ( ~ ! [V: $i,Y: $i,U: $i,X: $i] :
            ( ~ member(ordered_pair(U,V),cross_product(X,Y))
            | member(V,universal_class) )
      | ~ member(ordered_pair(x,y),cross_product(universal_class,universal_class))
      | member(y,universal_class) )
  <=> ( ~ ! [V: $i,Y: $i,U: $i,X: $i] :
            ( ~ member(ordered_pair(U,V),cross_product(X,Y))
            | member(V,universal_class) )
      | ~ member(ordered_pair(x,y),cross_product(universal_class,universal_class))
      | member(y,universal_class) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(45,plain,
    ( ~ ! [V: $i,Y: $i,U: $i,X: $i] :
          ( ~ member(ordered_pair(U,V),cross_product(X,Y))
          | member(V,universal_class) )
    | ~ member(ordered_pair(x,y),cross_product(universal_class,universal_class))
    | member(y,universal_class) ),
    inference(quant_inst,[status(thm)],]) ).

tff(46,plain,
    ( ~ ! [V: $i,Y: $i,U: $i,X: $i] :
          ( ~ member(ordered_pair(U,V),cross_product(X,Y))
          | member(V,universal_class) )
    | ~ member(ordered_pair(x,y),cross_product(universal_class,universal_class))
    | member(y,universal_class) ),
    inference(modus_ponens,[status(thm)],[45,44]) ).

tff(47,plain,
    $false,
    inference(unit_resolution,[status(thm)],[46,43,36,33]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SET122-7 : TPTP v8.1.0. Bugfixed v7.3.0.
% 0.13/0.13  % Command  : z3_tptp -proof -model -t:%d -file:%s
% 0.13/0.34  % Computer : n017.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 300
% 0.13/0.34  % DateTime : Sat Sep  3 02:06:53 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.20/0.34  Z3tptp [4.8.9.0] (c) 2006-20**. Microsoft Corp.
% 0.20/0.34  Usage: tptp [options] [-file:]file
% 0.20/0.34    -h, -?       prints this message.
% 0.20/0.34    -smt2        print SMT-LIB2 benchmark.
% 0.20/0.34    -m, -model   generate model.
% 0.20/0.34    -p, -proof   generate proof.
% 0.20/0.34    -c, -core    generate unsat core of named formulas.
% 0.20/0.34    -st, -statistics display statistics.
% 0.20/0.34    -t:timeout   set timeout (in second).
% 0.20/0.34    -smt2status  display status in smt2 format instead of SZS.
% 0.20/0.34    -check_status check the status produced by Z3 against annotation in benchmark.
% 0.20/0.34    -<param>:<value> configuration parameter and value.
% 0.20/0.34    -o:<output-file> file to place output in.
% 0.20/0.44  % SZS status Unsatisfiable
% 0.20/0.44  % SZS output start Proof
% See solution above
%------------------------------------------------------------------------------