TSTP Solution File: SEU224+1 by Zipperpin---2.1.9999

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Zipperpin---2.1.9999
% Problem  : SEU224+1 : TPTP v8.1.2. Released v3.3.0.
% Transfm  : NO INFORMATION
% Format   : NO INFORMATION
% Command  : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.oPn9GeAzA4 true

% Computer : n028.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 : Thu Aug 31 19:11:23 EDT 2023

% Result   : Theorem 1.32s 1.01s
% Output   : Refutation 1.32s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   20
%            Number of leaves      :   17
% Syntax   : Number of formulae    :   69 (  20 unt;  10 typ;   0 def)
%            Number of atoms       :  147 (  35 equ;   0 cnn)
%            Maximal formula atoms :    8 (   2 avg)
%            Number of connectives :  509 (  66   ~;  66   |;  10   &; 355   @)
%                                         (   5 <=>;   7  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   12 (   6 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   11 (  11   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   12 (  10 usr;   4 con; 0-2 aty)
%            Number of variables   :   84 (   0   ^;  84   !;   0   ?;  84   :)

% Comments : 
%------------------------------------------------------------------------------
thf(apply_type,type,
    apply: $i > $i > $i ).

thf(relation_dom_type,type,
    relation_dom: $i > $i ).

thf(function_type,type,
    function: $i > $o ).

thf(set_intersection2_type,type,
    set_intersection2: $i > $i > $i ).

thf(sk__4_type,type,
    sk__4: $i ).

thf(in_type,type,
    in: $i > $i > $o ).

thf(relation_dom_restriction_type,type,
    relation_dom_restriction: $i > $i > $i ).

thf(sk__2_type,type,
    sk__2: $i ).

thf(relation_type,type,
    relation: $i > $o ).

thf(sk__3_type,type,
    sk__3: $i ).

thf(t68_funct_1,axiom,
    ! [A: $i,B: $i] :
      ( ( ( relation @ B )
        & ( function @ B ) )
     => ! [C: $i] :
          ( ( ( relation @ C )
            & ( function @ C ) )
         => ( ( B
              = ( relation_dom_restriction @ C @ A ) )
          <=> ( ( ( relation_dom @ B )
                = ( set_intersection2 @ ( relation_dom @ C ) @ A ) )
              & ! [D: $i] :
                  ( ( in @ D @ ( relation_dom @ B ) )
                 => ( ( apply @ B @ D )
                    = ( apply @ C @ D ) ) ) ) ) ) ) ).

thf(zip_derived_cl62,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( ~ ( relation @ X0 )
      | ~ ( function @ X0 )
      | ( X2
       != ( relation_dom_restriction @ X0 @ X1 ) )
      | ( ( relation_dom @ X2 )
        = ( set_intersection2 @ ( relation_dom @ X0 ) @ X1 ) )
      | ~ ( function @ X2 )
      | ~ ( relation @ X2 ) ),
    inference(cnf,[status(esa)],[t68_funct_1]) ).

thf(zip_derived_cl362,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( relation @ ( relation_dom_restriction @ X1 @ X0 ) )
      | ~ ( function @ ( relation_dom_restriction @ X1 @ X0 ) )
      | ( ( relation_dom @ ( relation_dom_restriction @ X1 @ X0 ) )
        = ( set_intersection2 @ ( relation_dom @ X1 ) @ X0 ) )
      | ~ ( function @ X1 )
      | ~ ( relation @ X1 ) ),
    inference(eq_res,[status(thm)],[zip_derived_cl62]) ).

thf(dt_k7_relat_1,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ A )
     => ( relation @ ( relation_dom_restriction @ A @ B ) ) ) ).

thf(zip_derived_cl17,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( relation @ X0 )
      | ( relation @ ( relation_dom_restriction @ X0 @ X1 ) ) ),
    inference(cnf,[status(esa)],[dt_k7_relat_1]) ).

thf(zip_derived_cl618,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( relation @ X1 )
      | ~ ( function @ X1 )
      | ( ( relation_dom @ ( relation_dom_restriction @ X1 @ X0 ) )
        = ( set_intersection2 @ ( relation_dom @ X1 ) @ X0 ) )
      | ~ ( function @ ( relation_dom_restriction @ X1 @ X0 ) ) ),
    inference(clc,[status(thm)],[zip_derived_cl362,zip_derived_cl17]) ).

thf(fc4_funct_1,axiom,
    ! [A: $i,B: $i] :
      ( ( ( relation @ A )
        & ( function @ A ) )
     => ( ( relation @ ( relation_dom_restriction @ A @ B ) )
        & ( function @ ( relation_dom_restriction @ A @ B ) ) ) ) ).

thf(zip_derived_cl27,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( function @ X0 )
      | ~ ( relation @ X0 )
      | ( function @ ( relation_dom_restriction @ X0 @ X1 ) ) ),
    inference(cnf,[status(esa)],[fc4_funct_1]) ).

thf(zip_derived_cl619,plain,
    ! [X0: $i,X1: $i] :
      ( ( ( relation_dom @ ( relation_dom_restriction @ X1 @ X0 ) )
        = ( set_intersection2 @ ( relation_dom @ X1 ) @ X0 ) )
      | ~ ( function @ X1 )
      | ~ ( relation @ X1 ) ),
    inference(clc,[status(thm)],[zip_derived_cl618,zip_derived_cl27]) ).

thf(l82_funct_1,conjecture,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( relation @ C )
        & ( function @ C ) )
     => ( ( in @ B @ ( relation_dom @ ( relation_dom_restriction @ C @ A ) ) )
      <=> ( ( in @ B @ ( relation_dom @ C ) )
          & ( in @ B @ A ) ) ) ) ).

thf(zf_stmt_0,negated_conjecture,
    ~ ! [A: $i,B: $i,C: $i] :
        ( ( ( relation @ C )
          & ( function @ C ) )
       => ( ( in @ B @ ( relation_dom @ ( relation_dom_restriction @ C @ A ) ) )
        <=> ( ( in @ B @ ( relation_dom @ C ) )
            & ( in @ B @ A ) ) ) ),
    inference('cnf.neg',[status(esa)],[l82_funct_1]) ).

thf(zip_derived_cl37,plain,
    ( ~ ( in @ sk__3 @ sk__2 )
    | ~ ( in @ sk__3 @ ( relation_dom @ sk__4 ) )
    | ~ ( in @ sk__3 @ ( relation_dom @ ( relation_dom_restriction @ sk__4 @ sk__2 ) ) ) ),
    inference(cnf,[status(esa)],[zf_stmt_0]) ).

thf(zip_derived_cl619_001,plain,
    ! [X0: $i,X1: $i] :
      ( ( ( relation_dom @ ( relation_dom_restriction @ X1 @ X0 ) )
        = ( set_intersection2 @ ( relation_dom @ X1 ) @ X0 ) )
      | ~ ( function @ X1 )
      | ~ ( relation @ X1 ) ),
    inference(clc,[status(thm)],[zip_derived_cl618,zip_derived_cl27]) ).

thf(idempotence_k3_xboole_0,axiom,
    ! [A: $i,B: $i] :
      ( ( set_intersection2 @ A @ A )
      = A ) ).

thf(zip_derived_cl34,plain,
    ! [X0: $i] :
      ( ( set_intersection2 @ X0 @ X0 )
      = X0 ),
    inference(cnf,[status(esa)],[idempotence_k3_xboole_0]) ).

thf(zip_derived_cl39,plain,
    ( ( in @ sk__3 @ sk__2 )
    | ( in @ sk__3 @ ( relation_dom @ ( relation_dom_restriction @ sk__4 @ sk__2 ) ) ) ),
    inference(cnf,[status(esa)],[zf_stmt_0]) ).

thf(d3_xboole_0,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( C
        = ( set_intersection2 @ A @ B ) )
    <=> ! [D: $i] :
          ( ( in @ D @ C )
        <=> ( ( in @ D @ A )
            & ( in @ D @ B ) ) ) ) ).

thf(zip_derived_cl8,plain,
    ! [X0: $i,X1: $i,X2: $i,X3: $i] :
      ( ~ ( in @ X0 @ X1 )
      | ( in @ X0 @ X2 )
      | ( X1
       != ( set_intersection2 @ X3 @ X2 ) ) ),
    inference(cnf,[status(esa)],[d3_xboole_0]) ).

thf(zip_derived_cl365,plain,
    ! [X0: $i,X1: $i] :
      ( ( in @ sk__3 @ sk__2 )
      | ( ( relation_dom @ ( relation_dom_restriction @ sk__4 @ sk__2 ) )
       != ( set_intersection2 @ X1 @ X0 ) )
      | ( in @ sk__3 @ X0 ) ),
    inference('sup-',[status(thm)],[zip_derived_cl39,zip_derived_cl8]) ).

thf(zip_derived_cl435,plain,
    ! [X0: $i] :
      ( ( ( relation_dom @ ( relation_dom_restriction @ sk__4 @ sk__2 ) )
       != X0 )
      | ( in @ sk__3 @ X0 )
      | ( in @ sk__3 @ sk__2 ) ),
    inference('sup-',[status(thm)],[zip_derived_cl34,zip_derived_cl365]) ).

thf(zip_derived_cl640,plain,
    ! [X0: $i] :
      ( ( ( set_intersection2 @ ( relation_dom @ sk__4 ) @ sk__2 )
       != X0 )
      | ~ ( relation @ sk__4 )
      | ~ ( function @ sk__4 )
      | ( in @ sk__3 @ sk__2 )
      | ( in @ sk__3 @ X0 ) ),
    inference('sup-',[status(thm)],[zip_derived_cl619,zip_derived_cl435]) ).

thf(commutativity_k3_xboole_0,axiom,
    ! [A: $i,B: $i] :
      ( ( set_intersection2 @ A @ B )
      = ( set_intersection2 @ B @ A ) ) ).

thf(zip_derived_cl6,plain,
    ! [X0: $i,X1: $i] :
      ( ( set_intersection2 @ X1 @ X0 )
      = ( set_intersection2 @ X0 @ X1 ) ),
    inference(cnf,[status(esa)],[commutativity_k3_xboole_0]) ).

thf(zip_derived_cl35,plain,
    relation @ sk__4,
    inference(cnf,[status(esa)],[zf_stmt_0]) ).

thf(zip_derived_cl36,plain,
    function @ sk__4,
    inference(cnf,[status(esa)],[zf_stmt_0]) ).

thf(zip_derived_cl655,plain,
    ! [X0: $i] :
      ( ( ( set_intersection2 @ sk__2 @ ( relation_dom @ sk__4 ) )
       != X0 )
      | ( in @ sk__3 @ sk__2 )
      | ( in @ sk__3 @ X0 ) ),
    inference(demod,[status(thm)],[zip_derived_cl640,zip_derived_cl6,zip_derived_cl35,zip_derived_cl36]) ).

thf(zip_derived_cl9,plain,
    ! [X0: $i,X1: $i,X2: $i,X3: $i] :
      ( ~ ( in @ X0 @ X1 )
      | ( in @ X0 @ X2 )
      | ( X1
       != ( set_intersection2 @ X2 @ X3 ) ) ),
    inference(cnf,[status(esa)],[d3_xboole_0]) ).

thf(zip_derived_cl696,plain,
    ! [X0: $i] :
      ( ( in @ sk__3 @ sk__2 )
      | ( ( set_intersection2 @ sk__2 @ ( relation_dom @ sk__4 ) )
       != X0 ) ),
    inference(clc,[status(thm)],[zip_derived_cl655,zip_derived_cl9]) ).

thf(zip_derived_cl698,plain,
    in @ sk__3 @ sk__2,
    inference(eq_res,[status(thm)],[zip_derived_cl696]) ).

thf(zip_derived_cl700,plain,
    ( ~ ( in @ sk__3 @ ( relation_dom @ sk__4 ) )
    | ~ ( in @ sk__3 @ ( relation_dom @ ( relation_dom_restriction @ sk__4 @ sk__2 ) ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl37,zip_derived_cl698]) ).

thf(zip_derived_cl816,plain,
    ( ~ ( in @ sk__3 @ ( set_intersection2 @ ( relation_dom @ sk__4 ) @ sk__2 ) )
    | ~ ( relation @ sk__4 )
    | ~ ( function @ sk__4 )
    | ~ ( in @ sk__3 @ ( relation_dom @ sk__4 ) ) ),
    inference('sup-',[status(thm)],[zip_derived_cl619,zip_derived_cl700]) ).

thf(zip_derived_cl6_002,plain,
    ! [X0: $i,X1: $i] :
      ( ( set_intersection2 @ X1 @ X0 )
      = ( set_intersection2 @ X0 @ X1 ) ),
    inference(cnf,[status(esa)],[commutativity_k3_xboole_0]) ).

thf(zip_derived_cl35_003,plain,
    relation @ sk__4,
    inference(cnf,[status(esa)],[zf_stmt_0]) ).

thf(zip_derived_cl36_004,plain,
    function @ sk__4,
    inference(cnf,[status(esa)],[zf_stmt_0]) ).

thf(zip_derived_cl817,plain,
    ( ~ ( in @ sk__3 @ ( set_intersection2 @ sk__2 @ ( relation_dom @ sk__4 ) ) )
    | ~ ( in @ sk__3 @ ( relation_dom @ sk__4 ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl816,zip_derived_cl6,zip_derived_cl35,zip_derived_cl36]) ).

thf(zip_derived_cl698_005,plain,
    in @ sk__3 @ sk__2,
    inference(eq_res,[status(thm)],[zip_derived_cl696]) ).

thf(zip_derived_cl7,plain,
    ! [X0: $i,X1: $i,X2: $i,X3: $i] :
      ( ~ ( in @ X0 @ X1 )
      | ~ ( in @ X0 @ X2 )
      | ( in @ X0 @ X3 )
      | ( X3
       != ( set_intersection2 @ X1 @ X2 ) ) ),
    inference(cnf,[status(esa)],[d3_xboole_0]) ).

thf(zip_derived_cl703,plain,
    ! [X0: $i,X1: $i] :
      ( ( X0
       != ( set_intersection2 @ sk__2 @ X1 ) )
      | ( in @ sk__3 @ X0 )
      | ~ ( in @ sk__3 @ X1 ) ),
    inference('sup-',[status(thm)],[zip_derived_cl698,zip_derived_cl7]) ).

thf(zip_derived_cl932,plain,
    ! [X0: $i] :
      ( ~ ( in @ sk__3 @ X0 )
      | ( in @ sk__3 @ ( set_intersection2 @ sk__2 @ X0 ) ) ),
    inference(eq_res,[status(thm)],[zip_derived_cl703]) ).

thf(zip_derived_cl1356,plain,
    ( ~ ( in @ sk__3 @ ( relation_dom @ sk__4 ) )
    | ~ ( in @ sk__3 @ ( relation_dom @ sk__4 ) ) ),
    inference('sup+',[status(thm)],[zip_derived_cl817,zip_derived_cl932]) ).

thf(zip_derived_cl1366,plain,
    ~ ( in @ sk__3 @ ( relation_dom @ sk__4 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl1356]) ).

thf(zip_derived_cl619_006,plain,
    ! [X0: $i,X1: $i] :
      ( ( ( relation_dom @ ( relation_dom_restriction @ X1 @ X0 ) )
        = ( set_intersection2 @ ( relation_dom @ X1 ) @ X0 ) )
      | ~ ( function @ X1 )
      | ~ ( relation @ X1 ) ),
    inference(clc,[status(thm)],[zip_derived_cl618,zip_derived_cl27]) ).

thf(zip_derived_cl34_007,plain,
    ! [X0: $i] :
      ( ( set_intersection2 @ X0 @ X0 )
      = X0 ),
    inference(cnf,[status(esa)],[idempotence_k3_xboole_0]) ).

thf(zip_derived_cl38,plain,
    ( ( in @ sk__3 @ ( relation_dom @ sk__4 ) )
    | ( in @ sk__3 @ ( relation_dom @ ( relation_dom_restriction @ sk__4 @ sk__2 ) ) ) ),
    inference(cnf,[status(esa)],[zf_stmt_0]) ).

thf(zip_derived_cl8_008,plain,
    ! [X0: $i,X1: $i,X2: $i,X3: $i] :
      ( ~ ( in @ X0 @ X1 )
      | ( in @ X0 @ X2 )
      | ( X1
       != ( set_intersection2 @ X3 @ X2 ) ) ),
    inference(cnf,[status(esa)],[d3_xboole_0]) ).

thf(zip_derived_cl400,plain,
    ! [X0: $i,X1: $i] :
      ( ( in @ sk__3 @ ( relation_dom @ sk__4 ) )
      | ( ( relation_dom @ ( relation_dom_restriction @ sk__4 @ sk__2 ) )
       != ( set_intersection2 @ X1 @ X0 ) )
      | ( in @ sk__3 @ X0 ) ),
    inference('sup-',[status(thm)],[zip_derived_cl38,zip_derived_cl8]) ).

thf(zip_derived_cl515,plain,
    ! [X0: $i] :
      ( ( ( relation_dom @ ( relation_dom_restriction @ sk__4 @ sk__2 ) )
       != X0 )
      | ( in @ sk__3 @ X0 )
      | ( in @ sk__3 @ ( relation_dom @ sk__4 ) ) ),
    inference('sup-',[status(thm)],[zip_derived_cl34,zip_derived_cl400]) ).

thf(zip_derived_cl1366_009,plain,
    ~ ( in @ sk__3 @ ( relation_dom @ sk__4 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl1356]) ).

thf(zip_derived_cl1378,plain,
    ! [X0: $i] :
      ( ( ( relation_dom @ ( relation_dom_restriction @ sk__4 @ sk__2 ) )
       != X0 )
      | ( in @ sk__3 @ X0 ) ),
    inference(demod,[status(thm)],[zip_derived_cl515,zip_derived_cl1366]) ).

thf(zip_derived_cl1400,plain,
    ! [X0: $i] :
      ( ( ( set_intersection2 @ ( relation_dom @ sk__4 ) @ sk__2 )
       != X0 )
      | ~ ( relation @ sk__4 )
      | ~ ( function @ sk__4 )
      | ( in @ sk__3 @ X0 ) ),
    inference('sup-',[status(thm)],[zip_derived_cl619,zip_derived_cl1378]) ).

thf(zip_derived_cl6_010,plain,
    ! [X0: $i,X1: $i] :
      ( ( set_intersection2 @ X1 @ X0 )
      = ( set_intersection2 @ X0 @ X1 ) ),
    inference(cnf,[status(esa)],[commutativity_k3_xboole_0]) ).

thf(zip_derived_cl35_011,plain,
    relation @ sk__4,
    inference(cnf,[status(esa)],[zf_stmt_0]) ).

thf(zip_derived_cl36_012,plain,
    function @ sk__4,
    inference(cnf,[status(esa)],[zf_stmt_0]) ).

thf(zip_derived_cl1402,plain,
    ! [X0: $i] :
      ( ( ( set_intersection2 @ sk__2 @ ( relation_dom @ sk__4 ) )
       != X0 )
      | ( in @ sk__3 @ X0 ) ),
    inference(demod,[status(thm)],[zip_derived_cl1400,zip_derived_cl6,zip_derived_cl35,zip_derived_cl36]) ).

thf(zip_derived_cl1440,plain,
    in @ sk__3 @ ( set_intersection2 @ sk__2 @ ( relation_dom @ sk__4 ) ),
    inference(eq_res,[status(thm)],[zip_derived_cl1402]) ).

thf(zip_derived_cl8_013,plain,
    ! [X0: $i,X1: $i,X2: $i,X3: $i] :
      ( ~ ( in @ X0 @ X1 )
      | ( in @ X0 @ X2 )
      | ( X1
       != ( set_intersection2 @ X3 @ X2 ) ) ),
    inference(cnf,[status(esa)],[d3_xboole_0]) ).

thf(zip_derived_cl1609,plain,
    ! [X0: $i,X1: $i] :
      ( ( ( set_intersection2 @ sk__2 @ ( relation_dom @ sk__4 ) )
       != ( set_intersection2 @ X1 @ X0 ) )
      | ( in @ sk__3 @ X0 ) ),
    inference('sup-',[status(thm)],[zip_derived_cl1440,zip_derived_cl8]) ).

thf(zip_derived_cl1857,plain,
    in @ sk__3 @ ( relation_dom @ sk__4 ),
    inference(eq_res,[status(thm)],[zip_derived_cl1609]) ).

thf(zip_derived_cl1865,plain,
    $false,
    inference(demod,[status(thm)],[zip_derived_cl1366,zip_derived_cl1857]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.13  % Problem  : SEU224+1 : TPTP v8.1.2. Released v3.3.0.
% 0.00/0.14  % Command  : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.oPn9GeAzA4 true
% 0.14/0.35  % Computer : n028.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35  % CPULimit : 300
% 0.14/0.35  % WCLimit  : 300
% 0.14/0.35  % DateTime : Wed Aug 23 15:39:04 EDT 2023
% 0.14/0.35  % CPUTime  : 
% 0.14/0.35  % Running portfolio for 300 s
% 0.14/0.35  % File         : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.14/0.35  % Number of cores: 8
% 0.14/0.36  % Python version: Python 3.6.8
% 0.14/0.36  % Running in FO mode
% 0.21/0.65  % Total configuration time : 435
% 0.21/0.65  % Estimated wc time : 1092
% 0.21/0.65  % Estimated cpu time (7 cpus) : 156.0
% 0.21/0.71  % /export/starexec/sandbox2/solver/bin/fo/fo6_bce.sh running for 75s
% 0.21/0.73  % /export/starexec/sandbox2/solver/bin/fo/fo3_bce.sh running for 75s
% 0.21/0.74  % /export/starexec/sandbox2/solver/bin/fo/fo1_av.sh running for 75s
% 0.21/0.76  % /export/starexec/sandbox2/solver/bin/fo/fo13.sh running for 50s
% 0.21/0.76  % /export/starexec/sandbox2/solver/bin/fo/fo7.sh running for 63s
% 0.21/0.76  % /export/starexec/sandbox2/solver/bin/fo/fo5.sh running for 50s
% 0.21/0.78  % /export/starexec/sandbox2/solver/bin/fo/fo4.sh running for 50s
% 1.32/1.01  % Solved by fo/fo3_bce.sh.
% 1.32/1.01  % BCE start: 66
% 1.32/1.01  % BCE eliminated: 2
% 1.32/1.01  % PE start: 64
% 1.32/1.01  logic: eq
% 1.32/1.01  % PE eliminated: 2
% 1.32/1.01  % done 519 iterations in 0.258s
% 1.32/1.01  % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 1.32/1.01  % SZS output start Refutation
% See solution above
% 1.32/1.01  
% 1.32/1.01  
% 1.32/1.01  % Terminating...
% 1.59/1.06  % Runner terminated.
% 1.74/1.07  % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------