TSTP Solution File: GEO069-3 by Z3---4.8.9.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Z3---4.8.9.0
% Problem  : GEO069-3 : TPTP v8.1.0. Bugfixed v1.2.1.
% Transfm  : none
% Format   : tptp
% Command  : z3_tptp -proof -model -t:%d -file:%s

% Computer : n027.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 : Fri Sep 16 20:34:39 EDT 2022

% Result   : Unsatisfiable 0.19s 0.43s
% Output   : Proof 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   14
%            Number of leaves      :   41
% Syntax   : Number of formulae    :   86 (  21 unt;   5 typ;   0 def)
%            Number of atoms       :  443 (  69 equ)
%            Maximal formula atoms :   16 (   5 avg)
%            Number of connectives :  604 ( 258   ~; 308   |;   0   &)
%                                         (  38 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   12 (   6 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of FOOLs       :   16 (  16 fml;   0 var)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    3 (   1   >;   2   *;   0   +;   0  <<)
%            Number of predicates  :    7 (   5 usr;   1 prp; 0-3 aty)
%            Number of functors    :    4 (   4 usr;   4 con; 0-0 aty)
%            Number of variables   :  246 ( 232   !;   0   ?; 246   :)

% Comments : 
%------------------------------------------------------------------------------
tff(colinear_type,type,
    colinear: ( $i * $i * $i ) > $o ).

tff(u_type,type,
    u: $i ).

tff(w_type,type,
    w: $i ).

tff(v_type,type,
    v: $i ).

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

tff(1,plain,
    ( colinear(x,v,u)
  <=> colinear(x,v,u) ),
    inference(rewrite,[status(thm)],]) ).

tff(2,axiom,
    colinear(x,v,u),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',xvu_colinear) ).

tff(3,plain,
    colinear(x,v,u),
    inference(modus_ponens,[status(thm)],[2,1]) ).

tff(4,plain,
    ^ [W: $i,V: $i,U: $i] :
      refl(
        ( ( ~ colinear(U,V,W)
          | colinear(W,V,U) )
      <=> ( ~ colinear(U,V,W)
          | colinear(W,V,U) ) )),
    inference(bind,[status(th)],]) ).

tff(5,plain,
    ( ! [W: $i,V: $i,U: $i] :
        ( ~ colinear(U,V,W)
        | colinear(W,V,U) )
  <=> ! [W: $i,V: $i,U: $i] :
        ( ~ colinear(U,V,W)
        | colinear(W,V,U) ) ),
    inference(quant_intro,[status(thm)],[4]) ).

tff(6,plain,
    ( ! [W: $i,V: $i,U: $i] :
        ( ~ colinear(U,V,W)
        | colinear(W,V,U) )
  <=> ! [W: $i,V: $i,U: $i] :
        ( ~ colinear(U,V,W)
        | colinear(W,V,U) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(7,axiom,
    ! [W: $i,V: $i,U: $i] :
      ( ~ colinear(U,V,W)
      | colinear(W,V,U) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t10_1) ).

tff(8,plain,
    ! [W: $i,V: $i,U: $i] :
      ( ~ colinear(U,V,W)
      | colinear(W,V,U) ),
    inference(modus_ponens,[status(thm)],[7,6]) ).

tff(9,plain,
    ! [W: $i,V: $i,U: $i] :
      ( ~ colinear(U,V,W)
      | colinear(W,V,U) ),
    inference(skolemize,[status(sab)],[8]) ).

tff(10,plain,
    ! [W: $i,V: $i,U: $i] :
      ( ~ colinear(U,V,W)
      | colinear(W,V,U) ),
    inference(modus_ponens,[status(thm)],[9,5]) ).

tff(11,plain,
    ( ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ colinear(U,V,W)
            | colinear(W,V,U) )
      | ~ colinear(x,v,u)
      | colinear(u,v,x) )
  <=> ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ colinear(U,V,W)
            | colinear(W,V,U) )
      | ~ colinear(x,v,u)
      | colinear(u,v,x) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(12,plain,
    ( ~ ! [W: $i,V: $i,U: $i] :
          ( ~ colinear(U,V,W)
          | colinear(W,V,U) )
    | ~ colinear(x,v,u)
    | colinear(u,v,x) ),
    inference(quant_inst,[status(thm)],]) ).

tff(13,plain,
    ( ~ ! [W: $i,V: $i,U: $i] :
          ( ~ colinear(U,V,W)
          | colinear(W,V,U) )
    | ~ colinear(x,v,u)
    | colinear(u,v,x) ),
    inference(modus_ponens,[status(thm)],[12,11]) ).

tff(14,plain,
    colinear(u,v,x),
    inference(unit_resolution,[status(thm)],[13,10,3]) ).

tff(15,plain,
    ( colinear(w,v,u)
  <=> colinear(w,v,u) ),
    inference(rewrite,[status(thm)],]) ).

tff(16,axiom,
    colinear(w,v,u),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',wvu_colinear) ).

tff(17,plain,
    colinear(w,v,u),
    inference(modus_ponens,[status(thm)],[16,15]) ).

tff(18,plain,
    ( ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ colinear(U,V,W)
            | colinear(W,V,U) )
      | ~ colinear(w,v,u)
      | colinear(u,v,w) )
  <=> ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ colinear(U,V,W)
            | colinear(W,V,U) )
      | ~ colinear(w,v,u)
      | colinear(u,v,w) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(19,plain,
    ( ~ ! [W: $i,V: $i,U: $i] :
          ( ~ colinear(U,V,W)
          | colinear(W,V,U) )
    | ~ colinear(w,v,u)
    | colinear(u,v,w) ),
    inference(quant_inst,[status(thm)],]) ).

tff(20,plain,
    ( ~ ! [W: $i,V: $i,U: $i] :
          ( ~ colinear(U,V,W)
          | colinear(W,V,U) )
    | ~ colinear(w,v,u)
    | colinear(u,v,w) ),
    inference(modus_ponens,[status(thm)],[19,18]) ).

tff(21,plain,
    colinear(u,v,w),
    inference(unit_resolution,[status(thm)],[20,10,17]) ).

tff(22,plain,
    ( ( u != v )
  <=> ( u != v ) ),
    inference(rewrite,[status(thm)],]) ).

tff(23,axiom,
    u != v,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',u_not_v) ).

tff(24,plain,
    u != v,
    inference(modus_ponens,[status(thm)],[23,22]) ).

tff(25,plain,
    ^ [W: $i,V: $i,U: $i,X: $i] :
      refl(
        ( ( ( U = V )
          | ~ colinear(U,V,X)
          | ~ colinear(U,V,W)
          | colinear(V,W,X) )
      <=> ( ( U = V )
          | ~ colinear(U,V,X)
          | ~ colinear(U,V,W)
          | colinear(V,W,X) ) )),
    inference(bind,[status(th)],]) ).

tff(26,plain,
    ( ! [W: $i,V: $i,U: $i,X: $i] :
        ( ( U = V )
        | ~ colinear(U,V,X)
        | ~ colinear(U,V,W)
        | colinear(V,W,X) )
  <=> ! [W: $i,V: $i,U: $i,X: $i] :
        ( ( U = V )
        | ~ colinear(U,V,X)
        | ~ colinear(U,V,W)
        | colinear(V,W,X) ) ),
    inference(quant_intro,[status(thm)],[25]) ).

tff(27,plain,
    ( ! [W: $i,V: $i,U: $i,X: $i] :
        ( ( U = V )
        | ~ colinear(U,V,X)
        | ~ colinear(U,V,W)
        | colinear(V,W,X) )
  <=> ! [W: $i,V: $i,U: $i,X: $i] :
        ( ( U = V )
        | ~ colinear(U,V,X)
        | ~ colinear(U,V,W)
        | colinear(V,W,X) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(28,plain,
    ^ [W: $i,V: $i,U: $i,X: $i] :
      trans(
        monotonicity(
          trans(
            monotonicity(
              rewrite(
                ( ( ~ colinear(U,V,W)
                  | ~ colinear(U,V,X) )
              <=> ( ~ colinear(U,V,X)
                  | ~ colinear(U,V,W) ) )),
              ( ( ~ colinear(U,V,W)
                | ~ colinear(U,V,X)
                | colinear(V,W,X) )
            <=> ( ~ colinear(U,V,X)
                | ~ colinear(U,V,W)
                | colinear(V,W,X) ) )),
            rewrite(
              ( ( ~ colinear(U,V,X)
                | ~ colinear(U,V,W)
                | colinear(V,W,X) )
            <=> ( ~ colinear(U,V,X)
                | ~ colinear(U,V,W)
                | colinear(V,W,X) ) )),
            ( ( ~ colinear(U,V,W)
              | ~ colinear(U,V,X)
              | colinear(V,W,X) )
          <=> ( ~ colinear(U,V,X)
              | ~ colinear(U,V,W)
              | colinear(V,W,X) ) )),
          ( ( ~ colinear(U,V,W)
            | ~ colinear(U,V,X)
            | colinear(V,W,X)
            | ( U = V ) )
        <=> ( ~ colinear(U,V,X)
            | ~ colinear(U,V,W)
            | colinear(V,W,X)
            | ( U = V ) ) )),
        rewrite(
          ( ( ~ colinear(U,V,X)
            | ~ colinear(U,V,W)
            | colinear(V,W,X)
            | ( U = V ) )
        <=> ( ( U = V )
            | ~ colinear(U,V,X)
            | ~ colinear(U,V,W)
            | colinear(V,W,X) ) )),
        ( ( ~ colinear(U,V,W)
          | ~ colinear(U,V,X)
          | colinear(V,W,X)
          | ( U = V ) )
      <=> ( ( U = V )
          | ~ colinear(U,V,X)
          | ~ colinear(U,V,W)
          | colinear(V,W,X) ) )),
    inference(bind,[status(th)],]) ).

tff(29,plain,
    ( ! [W: $i,V: $i,U: $i,X: $i] :
        ( ~ colinear(U,V,W)
        | ~ colinear(U,V,X)
        | colinear(V,W,X)
        | ( U = V ) )
  <=> ! [W: $i,V: $i,U: $i,X: $i] :
        ( ( U = V )
        | ~ colinear(U,V,X)
        | ~ colinear(U,V,W)
        | colinear(V,W,X) ) ),
    inference(quant_intro,[status(thm)],[28]) ).

tff(30,axiom,
    ! [W: $i,V: $i,U: $i,X: $i] :
      ( ~ colinear(U,V,W)
      | ~ colinear(U,V,X)
      | colinear(V,W,X)
      | ( U = V ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t12_2) ).

tff(31,plain,
    ! [W: $i,V: $i,U: $i,X: $i] :
      ( ( U = V )
      | ~ colinear(U,V,X)
      | ~ colinear(U,V,W)
      | colinear(V,W,X) ),
    inference(modus_ponens,[status(thm)],[30,29]) ).

tff(32,plain,
    ! [W: $i,V: $i,U: $i,X: $i] :
      ( ( U = V )
      | ~ colinear(U,V,X)
      | ~ colinear(U,V,W)
      | colinear(V,W,X) ),
    inference(modus_ponens,[status(thm)],[31,27]) ).

tff(33,plain,
    ! [W: $i,V: $i,U: $i,X: $i] :
      ( ( U = V )
      | ~ colinear(U,V,X)
      | ~ colinear(U,V,W)
      | colinear(V,W,X) ),
    inference(skolemize,[status(sab)],[32]) ).

tff(34,plain,
    ! [W: $i,V: $i,U: $i,X: $i] :
      ( ( U = V )
      | ~ colinear(U,V,X)
      | ~ colinear(U,V,W)
      | colinear(V,W,X) ),
    inference(modus_ponens,[status(thm)],[33,26]) ).

tff(35,plain,
    ( ( ~ ! [W: $i,V: $i,U: $i,X: $i] :
            ( ( U = V )
            | ~ colinear(U,V,X)
            | ~ colinear(U,V,W)
            | colinear(V,W,X) )
      | ( u = v )
      | ~ colinear(u,v,w)
      | ~ colinear(u,v,x)
      | colinear(v,w,x) )
  <=> ( ~ ! [W: $i,V: $i,U: $i,X: $i] :
            ( ( U = V )
            | ~ colinear(U,V,X)
            | ~ colinear(U,V,W)
            | colinear(V,W,X) )
      | ( u = v )
      | ~ colinear(u,v,w)
      | ~ colinear(u,v,x)
      | colinear(v,w,x) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(36,plain,
    ( ( ( u = v )
      | ~ colinear(u,v,x)
      | ~ colinear(u,v,w)
      | colinear(v,w,x) )
  <=> ( ( u = v )
      | ~ colinear(u,v,w)
      | ~ colinear(u,v,x)
      | colinear(v,w,x) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(37,plain,
    ( ( ~ ! [W: $i,V: $i,U: $i,X: $i] :
            ( ( U = V )
            | ~ colinear(U,V,X)
            | ~ colinear(U,V,W)
            | colinear(V,W,X) )
      | ( u = v )
      | ~ colinear(u,v,x)
      | ~ colinear(u,v,w)
      | colinear(v,w,x) )
  <=> ( ~ ! [W: $i,V: $i,U: $i,X: $i] :
            ( ( U = V )
            | ~ colinear(U,V,X)
            | ~ colinear(U,V,W)
            | colinear(V,W,X) )
      | ( u = v )
      | ~ colinear(u,v,w)
      | ~ colinear(u,v,x)
      | colinear(v,w,x) ) ),
    inference(monotonicity,[status(thm)],[36]) ).

tff(38,plain,
    ( ( ~ ! [W: $i,V: $i,U: $i,X: $i] :
            ( ( U = V )
            | ~ colinear(U,V,X)
            | ~ colinear(U,V,W)
            | colinear(V,W,X) )
      | ( u = v )
      | ~ colinear(u,v,x)
      | ~ colinear(u,v,w)
      | colinear(v,w,x) )
  <=> ( ~ ! [W: $i,V: $i,U: $i,X: $i] :
            ( ( U = V )
            | ~ colinear(U,V,X)
            | ~ colinear(U,V,W)
            | colinear(V,W,X) )
      | ( u = v )
      | ~ colinear(u,v,w)
      | ~ colinear(u,v,x)
      | colinear(v,w,x) ) ),
    inference(transitivity,[status(thm)],[37,35]) ).

tff(39,plain,
    ( ~ ! [W: $i,V: $i,U: $i,X: $i] :
          ( ( U = V )
          | ~ colinear(U,V,X)
          | ~ colinear(U,V,W)
          | colinear(V,W,X) )
    | ( u = v )
    | ~ colinear(u,v,x)
    | ~ colinear(u,v,w)
    | colinear(v,w,x) ),
    inference(quant_inst,[status(thm)],]) ).

tff(40,plain,
    ( ~ ! [W: $i,V: $i,U: $i,X: $i] :
          ( ( U = V )
          | ~ colinear(U,V,X)
          | ~ colinear(U,V,W)
          | colinear(V,W,X) )
    | ( u = v )
    | ~ colinear(u,v,w)
    | ~ colinear(u,v,x)
    | colinear(v,w,x) ),
    inference(modus_ponens,[status(thm)],[39,38]) ).

tff(41,plain,
    colinear(v,w,x),
    inference(unit_resolution,[status(thm)],[40,34,24,21,14]) ).

tff(42,plain,
    ( ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ colinear(U,V,W)
            | colinear(W,V,U) )
      | ~ colinear(v,w,x)
      | colinear(x,w,v) )
  <=> ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ colinear(U,V,W)
            | colinear(W,V,U) )
      | ~ colinear(v,w,x)
      | colinear(x,w,v) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(43,plain,
    ( ~ ! [W: $i,V: $i,U: $i] :
          ( ~ colinear(U,V,W)
          | colinear(W,V,U) )
    | ~ colinear(v,w,x)
    | colinear(x,w,v) ),
    inference(quant_inst,[status(thm)],]) ).

tff(44,plain,
    ( ~ ! [W: $i,V: $i,U: $i] :
          ( ~ colinear(U,V,W)
          | colinear(W,V,U) )
    | ~ colinear(v,w,x)
    | colinear(x,w,v) ),
    inference(modus_ponens,[status(thm)],[43,42]) ).

tff(45,plain,
    colinear(x,w,v),
    inference(unit_resolution,[status(thm)],[44,10,41]) ).

tff(46,plain,
    ( ( ~ colinear(x,w,u)
      | ~ colinear(x,w,v) )
  <=> ( ~ colinear(x,w,u)
      | ~ colinear(x,w,v) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(47,axiom,
    ( ~ colinear(x,w,u)
    | ~ colinear(x,w,v) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_xwu_and_xwv_colinear) ).

tff(48,plain,
    ( ~ colinear(x,w,u)
    | ~ colinear(x,w,v) ),
    inference(modus_ponens,[status(thm)],[47,46]) ).

tff(49,plain,
    ~ colinear(x,w,u),
    inference(unit_resolution,[status(thm)],[48,45]) ).

tff(50,plain,
    ( ( ~ ! [W: $i,V: $i,U: $i,X: $i] :
            ( ( U = V )
            | ~ colinear(U,V,X)
            | ~ colinear(U,V,W)
            | colinear(V,W,X) )
      | ( u = v )
      | ~ colinear(u,v,w)
      | ~ colinear(u,v,x)
      | colinear(v,x,w) )
  <=> ( ~ ! [W: $i,V: $i,U: $i,X: $i] :
            ( ( U = V )
            | ~ colinear(U,V,X)
            | ~ colinear(U,V,W)
            | colinear(V,W,X) )
      | ( u = v )
      | ~ colinear(u,v,w)
      | ~ colinear(u,v,x)
      | colinear(v,x,w) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(51,plain,
    ( ~ ! [W: $i,V: $i,U: $i,X: $i] :
          ( ( U = V )
          | ~ colinear(U,V,X)
          | ~ colinear(U,V,W)
          | colinear(V,W,X) )
    | ( u = v )
    | ~ colinear(u,v,w)
    | ~ colinear(u,v,x)
    | colinear(v,x,w) ),
    inference(quant_inst,[status(thm)],]) ).

tff(52,plain,
    ( ~ ! [W: $i,V: $i,U: $i,X: $i] :
          ( ( U = V )
          | ~ colinear(U,V,X)
          | ~ colinear(U,V,W)
          | colinear(V,W,X) )
    | ( u = v )
    | ~ colinear(u,v,w)
    | ~ colinear(u,v,x)
    | colinear(v,x,w) ),
    inference(modus_ponens,[status(thm)],[51,50]) ).

tff(53,plain,
    colinear(v,x,w),
    inference(unit_resolution,[status(thm)],[52,34,24,21,14]) ).

tff(54,plain,
    ^ [W: $i,V: $i,U: $i] :
      refl(
        ( ( ~ colinear(U,V,W)
          | colinear(V,U,W) )
      <=> ( ~ colinear(U,V,W)
          | colinear(V,U,W) ) )),
    inference(bind,[status(th)],]) ).

tff(55,plain,
    ( ! [W: $i,V: $i,U: $i] :
        ( ~ colinear(U,V,W)
        | colinear(V,U,W) )
  <=> ! [W: $i,V: $i,U: $i] :
        ( ~ colinear(U,V,W)
        | colinear(V,U,W) ) ),
    inference(quant_intro,[status(thm)],[54]) ).

tff(56,plain,
    ( ! [W: $i,V: $i,U: $i] :
        ( ~ colinear(U,V,W)
        | colinear(V,U,W) )
  <=> ! [W: $i,V: $i,U: $i] :
        ( ~ colinear(U,V,W)
        | colinear(V,U,W) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(57,axiom,
    ! [W: $i,V: $i,U: $i] :
      ( ~ colinear(U,V,W)
      | colinear(V,U,W) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t10_5) ).

tff(58,plain,
    ! [W: $i,V: $i,U: $i] :
      ( ~ colinear(U,V,W)
      | colinear(V,U,W) ),
    inference(modus_ponens,[status(thm)],[57,56]) ).

tff(59,plain,
    ! [W: $i,V: $i,U: $i] :
      ( ~ colinear(U,V,W)
      | colinear(V,U,W) ),
    inference(skolemize,[status(sab)],[58]) ).

tff(60,plain,
    ! [W: $i,V: $i,U: $i] :
      ( ~ colinear(U,V,W)
      | colinear(V,U,W) ),
    inference(modus_ponens,[status(thm)],[59,55]) ).

tff(61,plain,
    ( ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ colinear(U,V,W)
            | colinear(V,U,W) )
      | ~ colinear(x,v,u)
      | colinear(v,x,u) )
  <=> ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ colinear(U,V,W)
            | colinear(V,U,W) )
      | ~ colinear(x,v,u)
      | colinear(v,x,u) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(62,plain,
    ( ~ ! [W: $i,V: $i,U: $i] :
          ( ~ colinear(U,V,W)
          | colinear(V,U,W) )
    | ~ colinear(x,v,u)
    | colinear(v,x,u) ),
    inference(quant_inst,[status(thm)],]) ).

tff(63,plain,
    ( ~ ! [W: $i,V: $i,U: $i] :
          ( ~ colinear(U,V,W)
          | colinear(V,U,W) )
    | ~ colinear(x,v,u)
    | colinear(v,x,u) ),
    inference(modus_ponens,[status(thm)],[62,61]) ).

tff(64,plain,
    colinear(v,x,u),
    inference(unit_resolution,[status(thm)],[63,60,3]) ).

tff(65,plain,
    ( ( ~ ! [W: $i,V: $i,U: $i,X: $i] :
            ( ( U = V )
            | ~ colinear(U,V,X)
            | ~ colinear(U,V,W)
            | colinear(V,W,X) )
      | colinear(x,w,u)
      | ( v = x )
      | ~ colinear(v,x,u)
      | ~ colinear(v,x,w) )
  <=> ( ~ ! [W: $i,V: $i,U: $i,X: $i] :
            ( ( U = V )
            | ~ colinear(U,V,X)
            | ~ colinear(U,V,W)
            | colinear(V,W,X) )
      | colinear(x,w,u)
      | ( v = x )
      | ~ colinear(v,x,u)
      | ~ colinear(v,x,w) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(66,plain,
    ( ( ( v = x )
      | ~ colinear(v,x,u)
      | ~ colinear(v,x,w)
      | colinear(x,w,u) )
  <=> ( colinear(x,w,u)
      | ( v = x )
      | ~ colinear(v,x,u)
      | ~ colinear(v,x,w) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(67,plain,
    ( ( ~ ! [W: $i,V: $i,U: $i,X: $i] :
            ( ( U = V )
            | ~ colinear(U,V,X)
            | ~ colinear(U,V,W)
            | colinear(V,W,X) )
      | ( v = x )
      | ~ colinear(v,x,u)
      | ~ colinear(v,x,w)
      | colinear(x,w,u) )
  <=> ( ~ ! [W: $i,V: $i,U: $i,X: $i] :
            ( ( U = V )
            | ~ colinear(U,V,X)
            | ~ colinear(U,V,W)
            | colinear(V,W,X) )
      | colinear(x,w,u)
      | ( v = x )
      | ~ colinear(v,x,u)
      | ~ colinear(v,x,w) ) ),
    inference(monotonicity,[status(thm)],[66]) ).

tff(68,plain,
    ( ( ~ ! [W: $i,V: $i,U: $i,X: $i] :
            ( ( U = V )
            | ~ colinear(U,V,X)
            | ~ colinear(U,V,W)
            | colinear(V,W,X) )
      | ( v = x )
      | ~ colinear(v,x,u)
      | ~ colinear(v,x,w)
      | colinear(x,w,u) )
  <=> ( ~ ! [W: $i,V: $i,U: $i,X: $i] :
            ( ( U = V )
            | ~ colinear(U,V,X)
            | ~ colinear(U,V,W)
            | colinear(V,W,X) )
      | colinear(x,w,u)
      | ( v = x )
      | ~ colinear(v,x,u)
      | ~ colinear(v,x,w) ) ),
    inference(transitivity,[status(thm)],[67,65]) ).

tff(69,plain,
    ( ~ ! [W: $i,V: $i,U: $i,X: $i] :
          ( ( U = V )
          | ~ colinear(U,V,X)
          | ~ colinear(U,V,W)
          | colinear(V,W,X) )
    | ( v = x )
    | ~ colinear(v,x,u)
    | ~ colinear(v,x,w)
    | colinear(x,w,u) ),
    inference(quant_inst,[status(thm)],]) ).

tff(70,plain,
    ( ~ ! [W: $i,V: $i,U: $i,X: $i] :
          ( ( U = V )
          | ~ colinear(U,V,X)
          | ~ colinear(U,V,W)
          | colinear(V,W,X) )
    | colinear(x,w,u)
    | ( v = x )
    | ~ colinear(v,x,u)
    | ~ colinear(v,x,w) ),
    inference(modus_ponens,[status(thm)],[69,68]) ).

tff(71,plain,
    ( colinear(x,w,u)
    | ( v = x ) ),
    inference(unit_resolution,[status(thm)],[70,34,64,53]) ).

tff(72,plain,
    v = x,
    inference(unit_resolution,[status(thm)],[71,49]) ).

tff(73,plain,
    ( colinear(v,w,u)
  <=> colinear(x,w,u) ),
    inference(monotonicity,[status(thm)],[72]) ).

tff(74,plain,
    ( colinear(x,w,u)
  <=> colinear(v,w,u) ),
    inference(symmetry,[status(thm)],[73]) ).

tff(75,plain,
    ( ~ colinear(x,w,u)
  <=> ~ colinear(v,w,u) ),
    inference(monotonicity,[status(thm)],[74]) ).

tff(76,plain,
    ~ colinear(v,w,u),
    inference(modus_ponens,[status(thm)],[49,75]) ).

tff(77,plain,
    ( ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ colinear(U,V,W)
            | colinear(V,U,W) )
      | ~ colinear(w,v,u)
      | colinear(v,w,u) )
  <=> ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ colinear(U,V,W)
            | colinear(V,U,W) )
      | ~ colinear(w,v,u)
      | colinear(v,w,u) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(78,plain,
    ( ~ ! [W: $i,V: $i,U: $i] :
          ( ~ colinear(U,V,W)
          | colinear(V,U,W) )
    | ~ colinear(w,v,u)
    | colinear(v,w,u) ),
    inference(quant_inst,[status(thm)],]) ).

tff(79,plain,
    ( ~ ! [W: $i,V: $i,U: $i] :
          ( ~ colinear(U,V,W)
          | colinear(V,U,W) )
    | ~ colinear(w,v,u)
    | colinear(v,w,u) ),
    inference(modus_ponens,[status(thm)],[78,77]) ).

tff(80,plain,
    colinear(v,w,u),
    inference(unit_resolution,[status(thm)],[79,60,17]) ).

tff(81,plain,
    $false,
    inference(unit_resolution,[status(thm)],[80,76]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : GEO069-3 : TPTP v8.1.0. Bugfixed v1.2.1.
% 0.03/0.13  % Command  : z3_tptp -proof -model -t:%d -file:%s
% 0.13/0.34  % Computer : n027.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 : Wed Aug 31 05:24:47 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.
% 0.19/0.43  % SZS status Unsatisfiable
% 0.19/0.43  % SZS output start Proof
% See solution above
%------------------------------------------------------------------------------