TSTP Solution File: SET238-6 by Z3---4.8.9.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Z3---4.8.9.0
% Problem  : SET238-6 : TPTP v8.1.0. Bugfixed v2.1.0.
% Transfm  : none
% Format   : tptp
% Command  : z3_tptp -proof -model -t:%d -file:%s

% Computer : n016.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 05:06:16 EDT 2022

% Result   : Unsatisfiable 0.21s 0.44s
% Output   : Proof 0.21s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   15
%            Number of leaves      :   29
% Syntax   : Number of formulae    :   58 (  18 unt;  11 typ;   0 def)
%            Number of atoms       :  114 (  33 equ)
%            Maximal formula atoms :    8 (   2 avg)
%            Number of connectives :  117 (  53   ~;  46   |;   0   &)
%                                         (  18 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   4 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of FOOLs       :    3 (   3 fml;   0 var)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   13 (   7   >;   6   *;   0   +;   0  <<)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :   10 (  10 usr;   4 con; 0-3 aty)
%            Number of variables   :  108 (  99   !;   0   ?; 108   :)

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

tff(restrict_type,type,
    restrict: ( $i * $i * $i ) > $i ).

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

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

tff(xr_type,type,
    xr: $i ).

tff(z_type,type,
    z: $i ).

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

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

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

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

tff(intersection_type,type,
    intersection: ( $i * $i ) > $i ).

tff(1,plain,
    ^ [Y: $i,Xr: $i,X: $i] :
      refl(
        ( ( intersection(cross_product(X,Y),Xr) = restrict(Xr,X,Y) )
      <=> ( intersection(cross_product(X,Y),Xr) = restrict(Xr,X,Y) ) )),
    inference(bind,[status(th)],]) ).

tff(2,plain,
    ( ! [Y: $i,Xr: $i,X: $i] : ( intersection(cross_product(X,Y),Xr) = restrict(Xr,X,Y) )
  <=> ! [Y: $i,Xr: $i,X: $i] : ( intersection(cross_product(X,Y),Xr) = restrict(Xr,X,Y) ) ),
    inference(quant_intro,[status(thm)],[1]) ).

tff(3,plain,
    ( ! [Y: $i,Xr: $i,X: $i] : ( intersection(cross_product(X,Y),Xr) = restrict(Xr,X,Y) )
  <=> ! [Y: $i,Xr: $i,X: $i] : ( intersection(cross_product(X,Y),Xr) = restrict(Xr,X,Y) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(4,axiom,
    ! [Y: $i,Xr: $i,X: $i] : ( intersection(cross_product(X,Y),Xr) = restrict(Xr,X,Y) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SET004-0.ax',restriction2) ).

tff(5,plain,
    ! [Y: $i,Xr: $i,X: $i] : ( intersection(cross_product(X,Y),Xr) = restrict(Xr,X,Y) ),
    inference(modus_ponens,[status(thm)],[4,3]) ).

tff(6,plain,
    ! [Y: $i,Xr: $i,X: $i] : ( intersection(cross_product(X,Y),Xr) = restrict(Xr,X,Y) ),
    inference(skolemize,[status(sab)],[5]) ).

tff(7,plain,
    ! [Y: $i,Xr: $i,X: $i] : ( intersection(cross_product(X,Y),Xr) = restrict(Xr,X,Y) ),
    inference(modus_ponens,[status(thm)],[6,2]) ).

tff(8,plain,
    ( ~ ! [Y: $i,Xr: $i,X: $i] : ( intersection(cross_product(X,Y),Xr) = restrict(Xr,X,Y) )
    | ( intersection(cross_product(x,y),xr) = restrict(xr,x,y) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(9,plain,
    intersection(cross_product(x,y),xr) = restrict(xr,x,y),
    inference(unit_resolution,[status(thm)],[8,7]) ).

tff(10,plain,
    ( member(z,intersection(cross_product(x,y),xr))
  <=> member(z,restrict(xr,x,y)) ),
    inference(monotonicity,[status(thm)],[9]) ).

tff(11,plain,
    ( member(z,restrict(xr,x,y))
  <=> member(z,intersection(cross_product(x,y),xr)) ),
    inference(symmetry,[status(thm)],[10]) ).

tff(12,plain,
    ( member(z,restrict(xr,x,y))
  <=> member(z,restrict(xr,x,y)) ),
    inference(rewrite,[status(thm)],]) ).

tff(13,axiom,
    member(z,restrict(xr,x,y)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_corollary_to_restriction_alternate_defn1_1) ).

tff(14,plain,
    member(z,restrict(xr,x,y)),
    inference(modus_ponens,[status(thm)],[13,12]) ).

tff(15,plain,
    member(z,intersection(cross_product(x,y),xr)),
    inference(modus_ponens,[status(thm)],[14,11]) ).

tff(16,plain,
    ^ [Z: $i,Y: $i,X: $i] :
      refl(
        ( ( ~ member(Z,intersection(X,Y))
          | member(Z,X) )
      <=> ( ~ member(Z,intersection(X,Y))
          | member(Z,X) ) )),
    inference(bind,[status(th)],]) ).

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

tff(18,plain,
    ( ! [Z: $i,Y: $i,X: $i] :
        ( ~ member(Z,intersection(X,Y))
        | member(Z,X) )
  <=> ! [Z: $i,Y: $i,X: $i] :
        ( ~ member(Z,intersection(X,Y))
        | member(Z,X) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(19,axiom,
    ! [Z: $i,Y: $i,X: $i] :
      ( ~ member(Z,intersection(X,Y))
      | member(Z,X) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SET004-0.ax',intersection1) ).

tff(20,plain,
    ! [Z: $i,Y: $i,X: $i] :
      ( ~ member(Z,intersection(X,Y))
      | member(Z,X) ),
    inference(modus_ponens,[status(thm)],[19,18]) ).

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

tff(22,plain,
    ! [Z: $i,Y: $i,X: $i] :
      ( ~ member(Z,intersection(X,Y))
      | member(Z,X) ),
    inference(modus_ponens,[status(thm)],[21,17]) ).

tff(23,plain,
    ( ( ~ ! [Z: $i,Y: $i,X: $i] :
            ( ~ member(Z,intersection(X,Y))
            | member(Z,X) )
      | ~ member(z,intersection(cross_product(x,y),xr))
      | member(z,cross_product(x,y)) )
  <=> ( ~ ! [Z: $i,Y: $i,X: $i] :
            ( ~ member(Z,intersection(X,Y))
            | member(Z,X) )
      | ~ member(z,intersection(cross_product(x,y),xr))
      | member(z,cross_product(x,y)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(24,plain,
    ( ~ ! [Z: $i,Y: $i,X: $i] :
          ( ~ member(Z,intersection(X,Y))
          | member(Z,X) )
    | ~ member(z,intersection(cross_product(x,y),xr))
    | member(z,cross_product(x,y)) ),
    inference(quant_inst,[status(thm)],]) ).

tff(25,plain,
    ( ~ ! [Z: $i,Y: $i,X: $i] :
          ( ~ member(Z,intersection(X,Y))
          | member(Z,X) )
    | ~ member(z,intersection(cross_product(x,y),xr))
    | member(z,cross_product(x,y)) ),
    inference(modus_ponens,[status(thm)],[24,23]) ).

tff(26,plain,
    ( ~ member(z,intersection(cross_product(x,y),xr))
    | member(z,cross_product(x,y)) ),
    inference(unit_resolution,[status(thm)],[25,22]) ).

tff(27,plain,
    member(z,cross_product(x,y)),
    inference(unit_resolution,[status(thm)],[26,15]) ).

tff(28,plain,
    ^ [Z: $i,Y: $i,X: $i] :
      refl(
        ( ( ~ member(Z,cross_product(X,Y))
          | ( ordered_pair(first(Z),second(Z)) = Z ) )
      <=> ( ~ member(Z,cross_product(X,Y))
          | ( ordered_pair(first(Z),second(Z)) = Z ) ) )),
    inference(bind,[status(th)],]) ).

tff(29,plain,
    ( ! [Z: $i,Y: $i,X: $i] :
        ( ~ member(Z,cross_product(X,Y))
        | ( ordered_pair(first(Z),second(Z)) = Z ) )
  <=> ! [Z: $i,Y: $i,X: $i] :
        ( ~ member(Z,cross_product(X,Y))
        | ( ordered_pair(first(Z),second(Z)) = Z ) ) ),
    inference(quant_intro,[status(thm)],[28]) ).

tff(30,plain,
    ( ! [Z: $i,Y: $i,X: $i] :
        ( ~ member(Z,cross_product(X,Y))
        | ( ordered_pair(first(Z),second(Z)) = Z ) )
  <=> ! [Z: $i,Y: $i,X: $i] :
        ( ~ member(Z,cross_product(X,Y))
        | ( ordered_pair(first(Z),second(Z)) = Z ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(31,axiom,
    ! [Z: $i,Y: $i,X: $i] :
      ( ~ member(Z,cross_product(X,Y))
      | ( ordered_pair(first(Z),second(Z)) = Z ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SET004-0.ax',cartesian_product4) ).

tff(32,plain,
    ! [Z: $i,Y: $i,X: $i] :
      ( ~ member(Z,cross_product(X,Y))
      | ( ordered_pair(first(Z),second(Z)) = Z ) ),
    inference(modus_ponens,[status(thm)],[31,30]) ).

tff(33,plain,
    ! [Z: $i,Y: $i,X: $i] :
      ( ~ member(Z,cross_product(X,Y))
      | ( ordered_pair(first(Z),second(Z)) = Z ) ),
    inference(skolemize,[status(sab)],[32]) ).

tff(34,plain,
    ! [Z: $i,Y: $i,X: $i] :
      ( ~ member(Z,cross_product(X,Y))
      | ( ordered_pair(first(Z),second(Z)) = Z ) ),
    inference(modus_ponens,[status(thm)],[33,29]) ).

tff(35,plain,
    ( ( ~ ! [Z: $i,Y: $i,X: $i] :
            ( ~ member(Z,cross_product(X,Y))
            | ( ordered_pair(first(Z),second(Z)) = Z ) )
      | ~ member(z,cross_product(x,y))
      | ( ordered_pair(first(z),second(z)) = z ) )
  <=> ( ~ ! [Z: $i,Y: $i,X: $i] :
            ( ~ member(Z,cross_product(X,Y))
            | ( ordered_pair(first(Z),second(Z)) = Z ) )
      | ~ member(z,cross_product(x,y))
      | ( ordered_pair(first(z),second(z)) = z ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(36,plain,
    ( ~ ! [Z: $i,Y: $i,X: $i] :
          ( ~ member(Z,cross_product(X,Y))
          | ( ordered_pair(first(Z),second(Z)) = Z ) )
    | ~ member(z,cross_product(x,y))
    | ( ordered_pair(first(z),second(z)) = z ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(37,plain,
    ( ~ ! [Z: $i,Y: $i,X: $i] :
          ( ~ member(Z,cross_product(X,Y))
          | ( ordered_pair(first(Z),second(Z)) = Z ) )
    | ~ member(z,cross_product(x,y))
    | ( ordered_pair(first(z),second(z)) = z ) ),
    inference(modus_ponens,[status(thm)],[36,35]) ).

tff(38,plain,
    ordered_pair(first(z),second(z)) = z,
    inference(unit_resolution,[status(thm)],[37,34,27]) ).

tff(39,plain,
    z = ordered_pair(first(z),second(z)),
    inference(symmetry,[status(thm)],[38]) ).

tff(40,plain,
    ( member(z,restrict(xr,x,y))
  <=> member(ordered_pair(first(z),second(z)),restrict(xr,x,y)) ),
    inference(monotonicity,[status(thm)],[39]) ).

tff(41,plain,
    ( member(ordered_pair(first(z),second(z)),restrict(xr,x,y))
  <=> member(z,restrict(xr,x,y)) ),
    inference(symmetry,[status(thm)],[40]) ).

tff(42,plain,
    ( ~ member(ordered_pair(first(z),second(z)),restrict(xr,x,y))
  <=> ~ member(z,restrict(xr,x,y)) ),
    inference(monotonicity,[status(thm)],[41]) ).

tff(43,plain,
    ( ~ member(ordered_pair(first(z),second(z)),restrict(xr,x,y))
  <=> ~ member(ordered_pair(first(z),second(z)),restrict(xr,x,y)) ),
    inference(rewrite,[status(thm)],]) ).

tff(44,axiom,
    ~ member(ordered_pair(first(z),second(z)),restrict(xr,x,y)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_corollary_to_restriction_alternate_defn1_2) ).

tff(45,plain,
    ~ member(ordered_pair(first(z),second(z)),restrict(xr,x,y)),
    inference(modus_ponens,[status(thm)],[44,43]) ).

tff(46,plain,
    ~ member(z,restrict(xr,x,y)),
    inference(modus_ponens,[status(thm)],[45,42]) ).

tff(47,plain,
    $false,
    inference(unit_resolution,[status(thm)],[14,46]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.12  % Problem  : SET238-6 : TPTP v8.1.0. Bugfixed v2.1.0.
% 0.12/0.13  % Command  : z3_tptp -proof -model -t:%d -file:%s
% 0.13/0.34  % Computer : n016.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 04:00:21 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.13/0.35  Z3tptp [4.8.9.0] (c) 2006-20**. Microsoft Corp.
% 0.13/0.35  Usage: tptp [options] [-file:]file
% 0.13/0.35    -h, -?       prints this message.
% 0.13/0.35    -smt2        print SMT-LIB2 benchmark.
% 0.13/0.35    -m, -model   generate model.
% 0.13/0.35    -p, -proof   generate proof.
% 0.13/0.35    -c, -core    generate unsat core of named formulas.
% 0.13/0.35    -st, -statistics display statistics.
% 0.13/0.35    -t:timeout   set timeout (in second).
% 0.13/0.35    -smt2status  display status in smt2 format instead of SZS.
% 0.13/0.35    -check_status check the status produced by Z3 against annotation in benchmark.
% 0.13/0.35    -<param>:<value> configuration parameter and value.
% 0.13/0.35    -o:<output-file> file to place output in.
% 0.21/0.44  % SZS status Unsatisfiable
% 0.21/0.44  % SZS output start Proof
% See solution above
%------------------------------------------------------------------------------