TSTP Solution File: SYN557-1 by Z3---4.8.9.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Z3---4.8.9.0
% Problem  : SYN557-1 : TPTP v8.1.0. Released v2.5.0.
% Transfm  : none
% Format   : tptp
% Command  : z3_tptp -proof -model -t:%d -file:%s

% Computer : n004.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 Sep 29 23:56:24 EDT 2022

% Result   : Unsatisfiable 0.17s 0.38s
% Output   : Proof 0.17s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :   39
% Syntax   : Number of formulae    :   75 (  26 unt;   7 typ;   0 def)
%            Number of atoms       :  276 (   0 equ)
%            Maximal formula atoms :   12 (   4 avg)
%            Number of connectives :  371 ( 174   ~; 170   |;   0   &)
%                                         (  27 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   10 (   5 avg)
%            Maximal term depth    :    4 (   2 avg)
%            Number of FOOLs       :   11 (  11 fml;   0 var)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    5 (   3   >;   2   *;   0   +;   0  <<)
%            Number of predicates  :    6 (   5 usr;   1 prp; 0-3 aty)
%            Number of functors    :    6 (   6 usr;   4 con; 0-2 aty)
%            Number of variables   :  192 ( 178   !;   0   ?; 192   :)

% Comments : 
%------------------------------------------------------------------------------
tff(p2_type,type,
    p2: ( $i * $i ) > $o ).

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

tff(f5_type,type,
    f5: $i > $i ).

tff(c7_type,type,
    c7: $i ).

tff(c9_type,type,
    c9: $i ).

tff(c8_type,type,
    c8: $i ).

tff(c6_type,type,
    c6: $i ).

tff(1,plain,
    ^ [X11: $i,X10: $i] :
      refl(
        ( p2(f3(X10,X11),f3(X11,X10))
      <=> p2(f3(X10,X11),f3(X11,X10)) )),
    inference(bind,[status(th)],]) ).

tff(2,plain,
    ( ! [X11: $i,X10: $i] : p2(f3(X10,X11),f3(X11,X10))
  <=> ! [X11: $i,X10: $i] : p2(f3(X10,X11),f3(X11,X10)) ),
    inference(quant_intro,[status(thm)],[1]) ).

tff(3,plain,
    ( ! [X11: $i,X10: $i] : p2(f3(X10,X11),f3(X11,X10))
  <=> ! [X11: $i,X10: $i] : p2(f3(X10,X11),f3(X11,X10)) ),
    inference(rewrite,[status(thm)],]) ).

tff(4,axiom,
    ! [X11: $i,X10: $i] : p2(f3(X10,X11),f3(X11,X10)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p2_4) ).

tff(5,plain,
    ! [X11: $i,X10: $i] : p2(f3(X10,X11),f3(X11,X10)),
    inference(modus_ponens,[status(thm)],[4,3]) ).

tff(6,plain,
    ! [X11: $i,X10: $i] : p2(f3(X10,X11),f3(X11,X10)),
    inference(skolemize,[status(sab)],[5]) ).

tff(7,plain,
    ! [X11: $i,X10: $i] : p2(f3(X10,X11),f3(X11,X10)),
    inference(modus_ponens,[status(thm)],[6,2]) ).

tff(8,plain,
    ( ~ ! [X11: $i,X10: $i] : p2(f3(X10,X11),f3(X11,X10))
    | p2(f3(f5(c7),f3(c8,f5(c9))),f3(f3(c8,f5(c9)),f5(c7))) ),
    inference(quant_inst,[status(thm)],]) ).

tff(9,plain,
    p2(f3(f5(c7),f3(c8,f5(c9))),f3(f3(c8,f5(c9)),f5(c7))),
    inference(unit_resolution,[status(thm)],[8,7]) ).

tff(10,plain,
    ^ [X14: $i,X12: $i,X13: $i] :
      refl(
        ( p2(f3(X12,f3(X13,X14)),f3(X13,f3(X12,X14)))
      <=> p2(f3(X12,f3(X13,X14)),f3(X13,f3(X12,X14))) )),
    inference(bind,[status(th)],]) ).

tff(11,plain,
    ( ! [X14: $i,X12: $i,X13: $i] : p2(f3(X12,f3(X13,X14)),f3(X13,f3(X12,X14)))
  <=> ! [X14: $i,X12: $i,X13: $i] : p2(f3(X12,f3(X13,X14)),f3(X13,f3(X12,X14))) ),
    inference(quant_intro,[status(thm)],[10]) ).

tff(12,plain,
    ( ! [X14: $i,X12: $i,X13: $i] : p2(f3(X12,f3(X13,X14)),f3(X13,f3(X12,X14)))
  <=> ! [X14: $i,X12: $i,X13: $i] : p2(f3(X12,f3(X13,X14)),f3(X13,f3(X12,X14))) ),
    inference(rewrite,[status(thm)],]) ).

tff(13,axiom,
    ! [X14: $i,X12: $i,X13: $i] : p2(f3(X12,f3(X13,X14)),f3(X13,f3(X12,X14))),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p2_10) ).

tff(14,plain,
    ! [X14: $i,X12: $i,X13: $i] : p2(f3(X12,f3(X13,X14)),f3(X13,f3(X12,X14))),
    inference(modus_ponens,[status(thm)],[13,12]) ).

tff(15,plain,
    ! [X14: $i,X12: $i,X13: $i] : p2(f3(X12,f3(X13,X14)),f3(X13,f3(X12,X14))),
    inference(skolemize,[status(sab)],[14]) ).

tff(16,plain,
    ! [X14: $i,X12: $i,X13: $i] : p2(f3(X12,f3(X13,X14)),f3(X13,f3(X12,X14))),
    inference(modus_ponens,[status(thm)],[15,11]) ).

tff(17,plain,
    ( ~ ! [X14: $i,X12: $i,X13: $i] : p2(f3(X12,f3(X13,X14)),f3(X13,f3(X12,X14)))
    | p2(f3(f5(c7),f3(c8,f5(c9))),f3(c8,f3(f5(c7),f5(c9)))) ),
    inference(quant_inst,[status(thm)],]) ).

tff(18,plain,
    p2(f3(f5(c7),f3(c8,f5(c9))),f3(c8,f3(f5(c7),f5(c9)))),
    inference(unit_resolution,[status(thm)],[17,16]) ).

tff(19,plain,
    ^ [X4: $i,X3: $i,X5: $i] :
      refl(
        ( ( ~ p2(X3,X5)
          | ~ p2(X3,X4)
          | p2(X4,X5) )
      <=> ( ~ p2(X3,X5)
          | ~ p2(X3,X4)
          | p2(X4,X5) ) )),
    inference(bind,[status(th)],]) ).

tff(20,plain,
    ( ! [X4: $i,X3: $i,X5: $i] :
        ( ~ p2(X3,X5)
        | ~ p2(X3,X4)
        | p2(X4,X5) )
  <=> ! [X4: $i,X3: $i,X5: $i] :
        ( ~ p2(X3,X5)
        | ~ p2(X3,X4)
        | p2(X4,X5) ) ),
    inference(quant_intro,[status(thm)],[19]) ).

tff(21,plain,
    ( ! [X4: $i,X3: $i,X5: $i] :
        ( ~ p2(X3,X5)
        | ~ p2(X3,X4)
        | p2(X4,X5) )
  <=> ! [X4: $i,X3: $i,X5: $i] :
        ( ~ p2(X3,X5)
        | ~ p2(X3,X4)
        | p2(X4,X5) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(22,plain,
    ^ [X4: $i,X3: $i,X5: $i] :
      trans(
        monotonicity(
          rewrite(
            ( ( p2(X4,X5)
              | ~ p2(X3,X4) )
          <=> ( ~ p2(X3,X4)
              | p2(X4,X5) ) )),
          ( ( p2(X4,X5)
            | ~ p2(X3,X4)
            | ~ p2(X3,X5) )
        <=> ( ~ p2(X3,X4)
            | p2(X4,X5)
            | ~ p2(X3,X5) ) )),
        rewrite(
          ( ( ~ p2(X3,X4)
            | p2(X4,X5)
            | ~ p2(X3,X5) )
        <=> ( ~ p2(X3,X5)
            | ~ p2(X3,X4)
            | p2(X4,X5) ) )),
        ( ( p2(X4,X5)
          | ~ p2(X3,X4)
          | ~ p2(X3,X5) )
      <=> ( ~ p2(X3,X5)
          | ~ p2(X3,X4)
          | p2(X4,X5) ) )),
    inference(bind,[status(th)],]) ).

tff(23,plain,
    ( ! [X4: $i,X3: $i,X5: $i] :
        ( p2(X4,X5)
        | ~ p2(X3,X4)
        | ~ p2(X3,X5) )
  <=> ! [X4: $i,X3: $i,X5: $i] :
        ( ~ p2(X3,X5)
        | ~ p2(X3,X4)
        | p2(X4,X5) ) ),
    inference(quant_intro,[status(thm)],[22]) ).

tff(24,axiom,
    ! [X4: $i,X3: $i,X5: $i] :
      ( p2(X4,X5)
      | ~ p2(X3,X4)
      | ~ p2(X3,X5) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p2_6) ).

tff(25,plain,
    ! [X4: $i,X3: $i,X5: $i] :
      ( ~ p2(X3,X5)
      | ~ p2(X3,X4)
      | p2(X4,X5) ),
    inference(modus_ponens,[status(thm)],[24,23]) ).

tff(26,plain,
    ! [X4: $i,X3: $i,X5: $i] :
      ( ~ p2(X3,X5)
      | ~ p2(X3,X4)
      | p2(X4,X5) ),
    inference(modus_ponens,[status(thm)],[25,21]) ).

tff(27,plain,
    ! [X4: $i,X3: $i,X5: $i] :
      ( ~ p2(X3,X5)
      | ~ p2(X3,X4)
      | p2(X4,X5) ),
    inference(skolemize,[status(sab)],[26]) ).

tff(28,plain,
    ! [X4: $i,X3: $i,X5: $i] :
      ( ~ p2(X3,X5)
      | ~ p2(X3,X4)
      | p2(X4,X5) ),
    inference(modus_ponens,[status(thm)],[27,20]) ).

tff(29,plain,
    ( ( ~ ! [X4: $i,X3: $i,X5: $i] :
            ( ~ p2(X3,X5)
            | ~ p2(X3,X4)
            | p2(X4,X5) )
      | ~ p2(f3(f5(c7),f3(c8,f5(c9))),f3(f3(c8,f5(c9)),f5(c7)))
      | ~ p2(f3(f5(c7),f3(c8,f5(c9))),f3(c8,f3(f5(c7),f5(c9))))
      | p2(f3(c8,f3(f5(c7),f5(c9))),f3(f3(c8,f5(c9)),f5(c7))) )
  <=> ( ~ ! [X4: $i,X3: $i,X5: $i] :
            ( ~ p2(X3,X5)
            | ~ p2(X3,X4)
            | p2(X4,X5) )
      | ~ p2(f3(f5(c7),f3(c8,f5(c9))),f3(f3(c8,f5(c9)),f5(c7)))
      | ~ p2(f3(f5(c7),f3(c8,f5(c9))),f3(c8,f3(f5(c7),f5(c9))))
      | p2(f3(c8,f3(f5(c7),f5(c9))),f3(f3(c8,f5(c9)),f5(c7))) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(30,plain,
    ( ~ ! [X4: $i,X3: $i,X5: $i] :
          ( ~ p2(X3,X5)
          | ~ p2(X3,X4)
          | p2(X4,X5) )
    | ~ p2(f3(f5(c7),f3(c8,f5(c9))),f3(f3(c8,f5(c9)),f5(c7)))
    | ~ p2(f3(f5(c7),f3(c8,f5(c9))),f3(c8,f3(f5(c7),f5(c9))))
    | p2(f3(c8,f3(f5(c7),f5(c9))),f3(f3(c8,f5(c9)),f5(c7))) ),
    inference(quant_inst,[status(thm)],]) ).

tff(31,plain,
    ( ~ ! [X4: $i,X3: $i,X5: $i] :
          ( ~ p2(X3,X5)
          | ~ p2(X3,X4)
          | p2(X4,X5) )
    | ~ p2(f3(f5(c7),f3(c8,f5(c9))),f3(f3(c8,f5(c9)),f5(c7)))
    | ~ p2(f3(f5(c7),f3(c8,f5(c9))),f3(c8,f3(f5(c7),f5(c9))))
    | p2(f3(c8,f3(f5(c7),f5(c9))),f3(f3(c8,f5(c9)),f5(c7))) ),
    inference(modus_ponens,[status(thm)],[30,29]) ).

tff(32,plain,
    p2(f3(c8,f3(f5(c7),f5(c9))),f3(f3(c8,f5(c9)),f5(c7))),
    inference(unit_resolution,[status(thm)],[31,28,18,9]) ).

tff(33,plain,
    ( ~ ! [X11: $i,X10: $i] : p2(f3(X10,X11),f3(X11,X10))
    | p2(f3(c6,f5(c7)),f3(f5(c7),c6)) ),
    inference(quant_inst,[status(thm)],]) ).

tff(34,plain,
    p2(f3(c6,f5(c7)),f3(f5(c7),c6)),
    inference(unit_resolution,[status(thm)],[33,7]) ).

tff(35,plain,
    ( p2(f3(c6,f5(c7)),f3(c8,f3(f5(c7),f5(c9))))
  <=> p2(f3(c6,f5(c7)),f3(c8,f3(f5(c7),f5(c9)))) ),
    inference(rewrite,[status(thm)],]) ).

tff(36,axiom,
    p2(f3(c6,f5(c7)),f3(c8,f3(f5(c7),f5(c9)))),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p2_12) ).

tff(37,plain,
    p2(f3(c6,f5(c7)),f3(c8,f3(f5(c7),f5(c9)))),
    inference(modus_ponens,[status(thm)],[36,35]) ).

tff(38,plain,
    ( ( ~ ! [X4: $i,X3: $i,X5: $i] :
            ( ~ p2(X3,X5)
            | ~ p2(X3,X4)
            | p2(X4,X5) )
      | ~ p2(f3(c6,f5(c7)),f3(c8,f3(f5(c7),f5(c9))))
      | ~ p2(f3(c6,f5(c7)),f3(f5(c7),c6))
      | p2(f3(f5(c7),c6),f3(c8,f3(f5(c7),f5(c9)))) )
  <=> ( ~ ! [X4: $i,X3: $i,X5: $i] :
            ( ~ p2(X3,X5)
            | ~ p2(X3,X4)
            | p2(X4,X5) )
      | ~ p2(f3(c6,f5(c7)),f3(c8,f3(f5(c7),f5(c9))))
      | ~ p2(f3(c6,f5(c7)),f3(f5(c7),c6))
      | p2(f3(f5(c7),c6),f3(c8,f3(f5(c7),f5(c9)))) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(39,plain,
    ( ~ ! [X4: $i,X3: $i,X5: $i] :
          ( ~ p2(X3,X5)
          | ~ p2(X3,X4)
          | p2(X4,X5) )
    | ~ p2(f3(c6,f5(c7)),f3(c8,f3(f5(c7),f5(c9))))
    | ~ p2(f3(c6,f5(c7)),f3(f5(c7),c6))
    | p2(f3(f5(c7),c6),f3(c8,f3(f5(c7),f5(c9)))) ),
    inference(quant_inst,[status(thm)],]) ).

tff(40,plain,
    ( ~ ! [X4: $i,X3: $i,X5: $i] :
          ( ~ p2(X3,X5)
          | ~ p2(X3,X4)
          | p2(X4,X5) )
    | ~ p2(f3(c6,f5(c7)),f3(c8,f3(f5(c7),f5(c9))))
    | ~ p2(f3(c6,f5(c7)),f3(f5(c7),c6))
    | p2(f3(f5(c7),c6),f3(c8,f3(f5(c7),f5(c9)))) ),
    inference(modus_ponens,[status(thm)],[39,38]) ).

tff(41,plain,
    p2(f3(f5(c7),c6),f3(c8,f3(f5(c7),f5(c9)))),
    inference(unit_resolution,[status(thm)],[40,28,37,34]) ).

tff(42,plain,
    ( ~ ! [X11: $i,X10: $i] : p2(f3(X10,X11),f3(X11,X10))
    | p2(f3(f5(c7),c6),f3(c6,f5(c7))) ),
    inference(quant_inst,[status(thm)],]) ).

tff(43,plain,
    p2(f3(f5(c7),c6),f3(c6,f5(c7))),
    inference(unit_resolution,[status(thm)],[42,7]) ).

tff(44,plain,
    ( ( ~ ! [X4: $i,X3: $i,X5: $i] :
            ( ~ p2(X3,X5)
            | ~ p2(X3,X4)
            | p2(X4,X5) )
      | ~ p2(f3(f5(c7),c6),f3(c6,f5(c7)))
      | ~ p2(f3(f5(c7),c6),f3(c8,f3(f5(c7),f5(c9))))
      | p2(f3(c8,f3(f5(c7),f5(c9))),f3(c6,f5(c7))) )
  <=> ( ~ ! [X4: $i,X3: $i,X5: $i] :
            ( ~ p2(X3,X5)
            | ~ p2(X3,X4)
            | p2(X4,X5) )
      | ~ p2(f3(f5(c7),c6),f3(c6,f5(c7)))
      | ~ p2(f3(f5(c7),c6),f3(c8,f3(f5(c7),f5(c9))))
      | p2(f3(c8,f3(f5(c7),f5(c9))),f3(c6,f5(c7))) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(45,plain,
    ( ~ ! [X4: $i,X3: $i,X5: $i] :
          ( ~ p2(X3,X5)
          | ~ p2(X3,X4)
          | p2(X4,X5) )
    | ~ p2(f3(f5(c7),c6),f3(c6,f5(c7)))
    | ~ p2(f3(f5(c7),c6),f3(c8,f3(f5(c7),f5(c9))))
    | p2(f3(c8,f3(f5(c7),f5(c9))),f3(c6,f5(c7))) ),
    inference(quant_inst,[status(thm)],]) ).

tff(46,plain,
    ( ~ ! [X4: $i,X3: $i,X5: $i] :
          ( ~ p2(X3,X5)
          | ~ p2(X3,X4)
          | p2(X4,X5) )
    | ~ p2(f3(f5(c7),c6),f3(c6,f5(c7)))
    | ~ p2(f3(f5(c7),c6),f3(c8,f3(f5(c7),f5(c9))))
    | p2(f3(c8,f3(f5(c7),f5(c9))),f3(c6,f5(c7))) ),
    inference(modus_ponens,[status(thm)],[45,44]) ).

tff(47,plain,
    p2(f3(c8,f3(f5(c7),f5(c9))),f3(c6,f5(c7))),
    inference(unit_resolution,[status(thm)],[46,28,43,41]) ).

tff(48,plain,
    ( ( ~ ! [X4: $i,X3: $i,X5: $i] :
            ( ~ p2(X3,X5)
            | ~ p2(X3,X4)
            | p2(X4,X5) )
      | ~ p2(f3(c8,f3(f5(c7),f5(c9))),f3(c6,f5(c7)))
      | ~ p2(f3(c8,f3(f5(c7),f5(c9))),f3(f3(c8,f5(c9)),f5(c7)))
      | p2(f3(c6,f5(c7)),f3(f3(c8,f5(c9)),f5(c7))) )
  <=> ( ~ ! [X4: $i,X3: $i,X5: $i] :
            ( ~ p2(X3,X5)
            | ~ p2(X3,X4)
            | p2(X4,X5) )
      | ~ p2(f3(c8,f3(f5(c7),f5(c9))),f3(c6,f5(c7)))
      | ~ p2(f3(c8,f3(f5(c7),f5(c9))),f3(f3(c8,f5(c9)),f5(c7)))
      | p2(f3(c6,f5(c7)),f3(f3(c8,f5(c9)),f5(c7))) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(49,plain,
    ( ( ~ p2(f3(c8,f3(f5(c7),f5(c9))),f3(f3(c8,f5(c9)),f5(c7)))
      | ~ p2(f3(c8,f3(f5(c7),f5(c9))),f3(c6,f5(c7)))
      | p2(f3(c6,f5(c7)),f3(f3(c8,f5(c9)),f5(c7))) )
  <=> ( ~ p2(f3(c8,f3(f5(c7),f5(c9))),f3(c6,f5(c7)))
      | ~ p2(f3(c8,f3(f5(c7),f5(c9))),f3(f3(c8,f5(c9)),f5(c7)))
      | p2(f3(c6,f5(c7)),f3(f3(c8,f5(c9)),f5(c7))) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(50,plain,
    ( ( ~ ! [X4: $i,X3: $i,X5: $i] :
            ( ~ p2(X3,X5)
            | ~ p2(X3,X4)
            | p2(X4,X5) )
      | ~ p2(f3(c8,f3(f5(c7),f5(c9))),f3(f3(c8,f5(c9)),f5(c7)))
      | ~ p2(f3(c8,f3(f5(c7),f5(c9))),f3(c6,f5(c7)))
      | p2(f3(c6,f5(c7)),f3(f3(c8,f5(c9)),f5(c7))) )
  <=> ( ~ ! [X4: $i,X3: $i,X5: $i] :
            ( ~ p2(X3,X5)
            | ~ p2(X3,X4)
            | p2(X4,X5) )
      | ~ p2(f3(c8,f3(f5(c7),f5(c9))),f3(c6,f5(c7)))
      | ~ p2(f3(c8,f3(f5(c7),f5(c9))),f3(f3(c8,f5(c9)),f5(c7)))
      | p2(f3(c6,f5(c7)),f3(f3(c8,f5(c9)),f5(c7))) ) ),
    inference(monotonicity,[status(thm)],[49]) ).

tff(51,plain,
    ( ( ~ ! [X4: $i,X3: $i,X5: $i] :
            ( ~ p2(X3,X5)
            | ~ p2(X3,X4)
            | p2(X4,X5) )
      | ~ p2(f3(c8,f3(f5(c7),f5(c9))),f3(f3(c8,f5(c9)),f5(c7)))
      | ~ p2(f3(c8,f3(f5(c7),f5(c9))),f3(c6,f5(c7)))
      | p2(f3(c6,f5(c7)),f3(f3(c8,f5(c9)),f5(c7))) )
  <=> ( ~ ! [X4: $i,X3: $i,X5: $i] :
            ( ~ p2(X3,X5)
            | ~ p2(X3,X4)
            | p2(X4,X5) )
      | ~ p2(f3(c8,f3(f5(c7),f5(c9))),f3(c6,f5(c7)))
      | ~ p2(f3(c8,f3(f5(c7),f5(c9))),f3(f3(c8,f5(c9)),f5(c7)))
      | p2(f3(c6,f5(c7)),f3(f3(c8,f5(c9)),f5(c7))) ) ),
    inference(transitivity,[status(thm)],[50,48]) ).

tff(52,plain,
    ( ~ ! [X4: $i,X3: $i,X5: $i] :
          ( ~ p2(X3,X5)
          | ~ p2(X3,X4)
          | p2(X4,X5) )
    | ~ p2(f3(c8,f3(f5(c7),f5(c9))),f3(f3(c8,f5(c9)),f5(c7)))
    | ~ p2(f3(c8,f3(f5(c7),f5(c9))),f3(c6,f5(c7)))
    | p2(f3(c6,f5(c7)),f3(f3(c8,f5(c9)),f5(c7))) ),
    inference(quant_inst,[status(thm)],]) ).

tff(53,plain,
    ( ~ ! [X4: $i,X3: $i,X5: $i] :
          ( ~ p2(X3,X5)
          | ~ p2(X3,X4)
          | p2(X4,X5) )
    | ~ p2(f3(c8,f3(f5(c7),f5(c9))),f3(c6,f5(c7)))
    | ~ p2(f3(c8,f3(f5(c7),f5(c9))),f3(f3(c8,f5(c9)),f5(c7)))
    | p2(f3(c6,f5(c7)),f3(f3(c8,f5(c9)),f5(c7))) ),
    inference(modus_ponens,[status(thm)],[52,51]) ).

tff(54,plain,
    p2(f3(c6,f5(c7)),f3(f3(c8,f5(c9)),f5(c7))),
    inference(unit_resolution,[status(thm)],[53,28,47,32]) ).

tff(55,plain,
    ^ [X0: $i,X2: $i,X1: $i] :
      refl(
        ( ( p2(X0,X1)
          | ~ p2(f3(X0,X2),f3(X1,X2)) )
      <=> ( p2(X0,X1)
          | ~ p2(f3(X0,X2),f3(X1,X2)) ) )),
    inference(bind,[status(th)],]) ).

tff(56,plain,
    ( ! [X0: $i,X2: $i,X1: $i] :
        ( p2(X0,X1)
        | ~ p2(f3(X0,X2),f3(X1,X2)) )
  <=> ! [X0: $i,X2: $i,X1: $i] :
        ( p2(X0,X1)
        | ~ p2(f3(X0,X2),f3(X1,X2)) ) ),
    inference(quant_intro,[status(thm)],[55]) ).

tff(57,plain,
    ( ! [X0: $i,X2: $i,X1: $i] :
        ( p2(X0,X1)
        | ~ p2(f3(X0,X2),f3(X1,X2)) )
  <=> ! [X0: $i,X2: $i,X1: $i] :
        ( p2(X0,X1)
        | ~ p2(f3(X0,X2),f3(X1,X2)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(58,axiom,
    ! [X0: $i,X2: $i,X1: $i] :
      ( p2(X0,X1)
      | ~ p2(f3(X0,X2),f3(X1,X2)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p2_8) ).

tff(59,plain,
    ! [X0: $i,X2: $i,X1: $i] :
      ( p2(X0,X1)
      | ~ p2(f3(X0,X2),f3(X1,X2)) ),
    inference(modus_ponens,[status(thm)],[58,57]) ).

tff(60,plain,
    ! [X0: $i,X2: $i,X1: $i] :
      ( p2(X0,X1)
      | ~ p2(f3(X0,X2),f3(X1,X2)) ),
    inference(skolemize,[status(sab)],[59]) ).

tff(61,plain,
    ! [X0: $i,X2: $i,X1: $i] :
      ( p2(X0,X1)
      | ~ p2(f3(X0,X2),f3(X1,X2)) ),
    inference(modus_ponens,[status(thm)],[60,56]) ).

tff(62,plain,
    ( ~ p2(c6,f3(c8,f5(c9)))
  <=> ~ p2(c6,f3(c8,f5(c9))) ),
    inference(rewrite,[status(thm)],]) ).

tff(63,axiom,
    ~ p2(c6,f3(c8,f5(c9))),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',not_p2_3) ).

tff(64,plain,
    ~ p2(c6,f3(c8,f5(c9))),
    inference(modus_ponens,[status(thm)],[63,62]) ).

tff(65,plain,
    ( ( ~ ! [X0: $i,X2: $i,X1: $i] :
            ( p2(X0,X1)
            | ~ p2(f3(X0,X2),f3(X1,X2)) )
      | p2(c6,f3(c8,f5(c9)))
      | ~ p2(f3(c6,f5(c7)),f3(f3(c8,f5(c9)),f5(c7))) )
  <=> ( ~ ! [X0: $i,X2: $i,X1: $i] :
            ( p2(X0,X1)
            | ~ p2(f3(X0,X2),f3(X1,X2)) )
      | p2(c6,f3(c8,f5(c9)))
      | ~ p2(f3(c6,f5(c7)),f3(f3(c8,f5(c9)),f5(c7))) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(66,plain,
    ( ~ ! [X0: $i,X2: $i,X1: $i] :
          ( p2(X0,X1)
          | ~ p2(f3(X0,X2),f3(X1,X2)) )
    | p2(c6,f3(c8,f5(c9)))
    | ~ p2(f3(c6,f5(c7)),f3(f3(c8,f5(c9)),f5(c7))) ),
    inference(quant_inst,[status(thm)],]) ).

tff(67,plain,
    ( ~ ! [X0: $i,X2: $i,X1: $i] :
          ( p2(X0,X1)
          | ~ p2(f3(X0,X2),f3(X1,X2)) )
    | p2(c6,f3(c8,f5(c9)))
    | ~ p2(f3(c6,f5(c7)),f3(f3(c8,f5(c9)),f5(c7))) ),
    inference(modus_ponens,[status(thm)],[66,65]) ).

tff(68,plain,
    $false,
    inference(unit_resolution,[status(thm)],[67,64,61,54]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : SYN557-1 : TPTP v8.1.0. Released v2.5.0.
% 0.11/0.13  % Command  : z3_tptp -proof -model -t:%d -file:%s
% 0.13/0.32  % Computer : n004.cluster.edu
% 0.13/0.32  % Model    : x86_64 x86_64
% 0.13/0.32  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.32  % Memory   : 8042.1875MB
% 0.13/0.32  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.32  % CPULimit : 300
% 0.13/0.32  % WCLimit  : 300
% 0.13/0.32  % DateTime : Mon Sep  5 05:38:04 EDT 2022
% 0.13/0.32  % CPUTime  : 
% 0.13/0.33  Z3tptp [4.8.9.0] (c) 2006-20**. Microsoft Corp.
% 0.13/0.33  Usage: tptp [options] [-file:]file
% 0.13/0.33    -h, -?       prints this message.
% 0.13/0.33    -smt2        print SMT-LIB2 benchmark.
% 0.13/0.33    -m, -model   generate model.
% 0.13/0.33    -p, -proof   generate proof.
% 0.13/0.33    -c, -core    generate unsat core of named formulas.
% 0.13/0.33    -st, -statistics display statistics.
% 0.13/0.33    -t:timeout   set timeout (in second).
% 0.13/0.33    -smt2status  display status in smt2 format instead of SZS.
% 0.13/0.33    -check_status check the status produced by Z3 against annotation in benchmark.
% 0.13/0.33    -<param>:<value> configuration parameter and value.
% 0.13/0.33    -o:<output-file> file to place output in.
% 0.17/0.38  % SZS status Unsatisfiable
% 0.17/0.38  % SZS output start Proof
% See solution above
%------------------------------------------------------------------------------