TSTP Solution File: SYN621-1 by Z3---4.8.9.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Z3---4.8.9.0
% Problem  : SYN621-1 : TPTP v8.1.0. Released v2.5.0.
% Transfm  : none
% Format   : tptp
% Command  : z3_tptp -proof -model -t:%d -file:%s

% Computer : n005.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 23:56:40 EDT 2022

% Result   : Unsatisfiable 0.13s 0.40s
% Output   : Proof 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :   48
% Syntax   : Number of formulae    :   78 (  13 unt;  22 typ;   0 def)
%            Number of atoms       :  219 (   0 equ)
%            Maximal formula atoms :   12 (   3 avg)
%            Number of connectives :  252 ( 100   ~; 128   |;   0   &)
%                                         (  24 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   10 (   5 avg)
%            Maximal term depth    :    6 (   2 avg)
%            Number of FOOLs       :   11 (  11 fml;   0 var)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   29 (  16   >;  13   *;   0   +;   0  <<)
%            Number of predicates  :    8 (   7 usr;   1 prp; 0-3 aty)
%            Number of functors    :   19 (  19 usr;   6 con; 0-4 aty)
%            Number of variables   :  169 ( 156   !;   0   ?; 169   :)

% Comments : 
%------------------------------------------------------------------------------
tff(p21_type,type,
    p21: ( $i * $i ) > $o ).

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

tff(f6_type,type,
    f6: ( $i * $i ) > $i ).

tff(f20_type,type,
    f20: ( $i * $i * $i * $i ) > $i ).

tff(c27_type,type,
    c27: $i ).

tff(c26_type,type,
    c26: $i ).

tff(c23_type,type,
    c23: $i ).

tff(c25_type,type,
    c25: $i ).

tff(f9_type,type,
    f9: ( $i * $i * $i ) > $i ).

tff(c28_type,type,
    c28: $i ).

tff(f11_type,type,
    f11: ( $i * $i ) > $i ).

tff(f12_type,type,
    f12: ( $i * $i ) > $i ).

tff(p22_type,type,
    p22: ( $i * $i ) > $o ).

tff(f14_type,type,
    f14: $i > $i ).

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

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

tff(c24_type,type,
    c24: $i ).

tff(f15_type,type,
    f15: ( $i * $i ) > $i ).

tff(f16_type,type,
    f16: $i > $i ).

tff(f17_type,type,
    f17: $i > $i ).

tff(f18_type,type,
    f18: $i > $i ).

tff(f19_type,type,
    f19: ( $i * $i ) > $i ).

tff(1,plain,
    ^ [X17: $i,X16: $i,X18: $i,X15: $i] :
      refl(
        ( ( p2(X15,f3(c24))
          | p22(f20(X17,X15,X18,X16),f14(f11(X17,f12(X15,X18)))) )
      <=> ( p2(X15,f3(c24))
          | p22(f20(X17,X15,X18,X16),f14(f11(X17,f12(X15,X18)))) ) )),
    inference(bind,[status(th)],]) ).

tff(2,plain,
    ( ! [X17: $i,X16: $i,X18: $i,X15: $i] :
        ( p2(X15,f3(c24))
        | p22(f20(X17,X15,X18,X16),f14(f11(X17,f12(X15,X18)))) )
  <=> ! [X17: $i,X16: $i,X18: $i,X15: $i] :
        ( p2(X15,f3(c24))
        | p22(f20(X17,X15,X18,X16),f14(f11(X17,f12(X15,X18)))) ) ),
    inference(quant_intro,[status(thm)],[1]) ).

tff(3,plain,
    ( ! [X17: $i,X16: $i,X18: $i,X15: $i] :
        ( p2(X15,f3(c24))
        | p22(f20(X17,X15,X18,X16),f14(f11(X17,f12(X15,X18)))) )
  <=> ! [X17: $i,X16: $i,X18: $i,X15: $i] :
        ( p2(X15,f3(c24))
        | p22(f20(X17,X15,X18,X16),f14(f11(X17,f12(X15,X18)))) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(4,axiom,
    ! [X17: $i,X16: $i,X18: $i,X15: $i] :
      ( p2(X15,f3(c24))
      | p22(f20(X17,X15,X18,X16),f14(f11(X17,f12(X15,X18)))) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p2_28) ).

tff(5,plain,
    ! [X17: $i,X16: $i,X18: $i,X15: $i] :
      ( p2(X15,f3(c24))
      | p22(f20(X17,X15,X18,X16),f14(f11(X17,f12(X15,X18)))) ),
    inference(modus_ponens,[status(thm)],[4,3]) ).

tff(6,plain,
    ! [X17: $i,X16: $i,X18: $i,X15: $i] :
      ( p2(X15,f3(c24))
      | p22(f20(X17,X15,X18,X16),f14(f11(X17,f12(X15,X18)))) ),
    inference(skolemize,[status(sab)],[5]) ).

tff(7,plain,
    ! [X17: $i,X16: $i,X18: $i,X15: $i] :
      ( p2(X15,f3(c24))
      | p22(f20(X17,X15,X18,X16),f14(f11(X17,f12(X15,X18)))) ),
    inference(modus_ponens,[status(thm)],[6,2]) ).

tff(8,plain,
    ( ~ p2(c23,f3(c24))
  <=> ~ p2(c23,f3(c24)) ),
    inference(rewrite,[status(thm)],]) ).

tff(9,axiom,
    ~ p2(c23,f3(c24)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',not_p2_7) ).

tff(10,plain,
    ~ p2(c23,f3(c24)),
    inference(modus_ponens,[status(thm)],[9,8]) ).

tff(11,plain,
    ( ( ~ ! [X17: $i,X16: $i,X18: $i,X15: $i] :
            ( p2(X15,f3(c24))
            | p22(f20(X17,X15,X18,X16),f14(f11(X17,f12(X15,X18)))) )
      | p2(c23,f3(c24))
      | p22(f20(c25,c23,c26,c27),f14(f11(c25,f12(c23,c26)))) )
  <=> ( ~ ! [X17: $i,X16: $i,X18: $i,X15: $i] :
            ( p2(X15,f3(c24))
            | p22(f20(X17,X15,X18,X16),f14(f11(X17,f12(X15,X18)))) )
      | p2(c23,f3(c24))
      | p22(f20(c25,c23,c26,c27),f14(f11(c25,f12(c23,c26)))) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(12,plain,
    ( ~ ! [X17: $i,X16: $i,X18: $i,X15: $i] :
          ( p2(X15,f3(c24))
          | p22(f20(X17,X15,X18,X16),f14(f11(X17,f12(X15,X18)))) )
    | p2(c23,f3(c24))
    | p22(f20(c25,c23,c26,c27),f14(f11(c25,f12(c23,c26)))) ),
    inference(quant_inst,[status(thm)],]) ).

tff(13,plain,
    ( ~ ! [X17: $i,X16: $i,X18: $i,X15: $i] :
          ( p2(X15,f3(c24))
          | p22(f20(X17,X15,X18,X16),f14(f11(X17,f12(X15,X18)))) )
    | p2(c23,f3(c24))
    | p22(f20(c25,c23,c26,c27),f14(f11(c25,f12(c23,c26)))) ),
    inference(modus_ponens,[status(thm)],[12,11]) ).

tff(14,plain,
    p22(f20(c25,c23,c26,c27),f14(f11(c25,f12(c23,c26)))),
    inference(unit_resolution,[status(thm)],[13,10,7]) ).

tff(15,plain,
    ^ [X33: $i] :
      refl(
        ( ( ~ p22(X33,f14(f11(c25,f12(c23,c26))))
          | p21(f5(f6(c27,f9(f11(c25,f12(c23,c26)),c28,c27))),f5(f6(c27,X33))) )
      <=> ( ~ p22(X33,f14(f11(c25,f12(c23,c26))))
          | p21(f5(f6(c27,f9(f11(c25,f12(c23,c26)),c28,c27))),f5(f6(c27,X33))) ) )),
    inference(bind,[status(th)],]) ).

tff(16,plain,
    ( ! [X33: $i] :
        ( ~ p22(X33,f14(f11(c25,f12(c23,c26))))
        | p21(f5(f6(c27,f9(f11(c25,f12(c23,c26)),c28,c27))),f5(f6(c27,X33))) )
  <=> ! [X33: $i] :
        ( ~ p22(X33,f14(f11(c25,f12(c23,c26))))
        | p21(f5(f6(c27,f9(f11(c25,f12(c23,c26)),c28,c27))),f5(f6(c27,X33))) ) ),
    inference(quant_intro,[status(thm)],[15]) ).

tff(17,plain,
    ( ! [X33: $i] :
        ( ~ p22(X33,f14(f11(c25,f12(c23,c26))))
        | p21(f5(f6(c27,f9(f11(c25,f12(c23,c26)),c28,c27))),f5(f6(c27,X33))) )
  <=> ! [X33: $i] :
        ( ~ p22(X33,f14(f11(c25,f12(c23,c26))))
        | p21(f5(f6(c27,f9(f11(c25,f12(c23,c26)),c28,c27))),f5(f6(c27,X33))) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(18,plain,
    ^ [X33: $i] :
      rewrite(
        ( ( p21(f5(f6(c27,f9(f11(c25,f12(c23,c26)),c28,c27))),f5(f6(c27,X33)))
          | ~ p22(X33,f14(f11(c25,f12(c23,c26)))) )
      <=> ( ~ p22(X33,f14(f11(c25,f12(c23,c26))))
          | p21(f5(f6(c27,f9(f11(c25,f12(c23,c26)),c28,c27))),f5(f6(c27,X33))) ) )),
    inference(bind,[status(th)],]) ).

tff(19,plain,
    ( ! [X33: $i] :
        ( p21(f5(f6(c27,f9(f11(c25,f12(c23,c26)),c28,c27))),f5(f6(c27,X33)))
        | ~ p22(X33,f14(f11(c25,f12(c23,c26)))) )
  <=> ! [X33: $i] :
        ( ~ p22(X33,f14(f11(c25,f12(c23,c26))))
        | p21(f5(f6(c27,f9(f11(c25,f12(c23,c26)),c28,c27))),f5(f6(c27,X33))) ) ),
    inference(quant_intro,[status(thm)],[18]) ).

tff(20,axiom,
    ! [X33: $i] :
      ( p21(f5(f6(c27,f9(f11(c25,f12(c23,c26)),c28,c27))),f5(f6(c27,X33)))
      | ~ p22(X33,f14(f11(c25,f12(c23,c26)))) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p21_31) ).

tff(21,plain,
    ! [X33: $i] :
      ( ~ p22(X33,f14(f11(c25,f12(c23,c26))))
      | p21(f5(f6(c27,f9(f11(c25,f12(c23,c26)),c28,c27))),f5(f6(c27,X33))) ),
    inference(modus_ponens,[status(thm)],[20,19]) ).

tff(22,plain,
    ! [X33: $i] :
      ( ~ p22(X33,f14(f11(c25,f12(c23,c26))))
      | p21(f5(f6(c27,f9(f11(c25,f12(c23,c26)),c28,c27))),f5(f6(c27,X33))) ),
    inference(modus_ponens,[status(thm)],[21,17]) ).

tff(23,plain,
    ! [X33: $i] :
      ( ~ p22(X33,f14(f11(c25,f12(c23,c26))))
      | p21(f5(f6(c27,f9(f11(c25,f12(c23,c26)),c28,c27))),f5(f6(c27,X33))) ),
    inference(skolemize,[status(sab)],[22]) ).

tff(24,plain,
    ! [X33: $i] :
      ( ~ p22(X33,f14(f11(c25,f12(c23,c26))))
      | p21(f5(f6(c27,f9(f11(c25,f12(c23,c26)),c28,c27))),f5(f6(c27,X33))) ),
    inference(modus_ponens,[status(thm)],[23,16]) ).

tff(25,plain,
    ( ( ~ ! [X33: $i] :
            ( ~ p22(X33,f14(f11(c25,f12(c23,c26))))
            | p21(f5(f6(c27,f9(f11(c25,f12(c23,c26)),c28,c27))),f5(f6(c27,X33))) )
      | ~ p22(f20(c25,c23,c26,c27),f14(f11(c25,f12(c23,c26))))
      | p21(f5(f6(c27,f9(f11(c25,f12(c23,c26)),c28,c27))),f5(f6(c27,f20(c25,c23,c26,c27)))) )
  <=> ( ~ ! [X33: $i] :
            ( ~ p22(X33,f14(f11(c25,f12(c23,c26))))
            | p21(f5(f6(c27,f9(f11(c25,f12(c23,c26)),c28,c27))),f5(f6(c27,X33))) )
      | ~ p22(f20(c25,c23,c26,c27),f14(f11(c25,f12(c23,c26))))
      | p21(f5(f6(c27,f9(f11(c25,f12(c23,c26)),c28,c27))),f5(f6(c27,f20(c25,c23,c26,c27)))) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(26,plain,
    ( ~ ! [X33: $i] :
          ( ~ p22(X33,f14(f11(c25,f12(c23,c26))))
          | p21(f5(f6(c27,f9(f11(c25,f12(c23,c26)),c28,c27))),f5(f6(c27,X33))) )
    | ~ p22(f20(c25,c23,c26,c27),f14(f11(c25,f12(c23,c26))))
    | p21(f5(f6(c27,f9(f11(c25,f12(c23,c26)),c28,c27))),f5(f6(c27,f20(c25,c23,c26,c27)))) ),
    inference(quant_inst,[status(thm)],]) ).

tff(27,plain,
    ( ~ ! [X33: $i] :
          ( ~ p22(X33,f14(f11(c25,f12(c23,c26))))
          | p21(f5(f6(c27,f9(f11(c25,f12(c23,c26)),c28,c27))),f5(f6(c27,X33))) )
    | ~ p22(f20(c25,c23,c26,c27),f14(f11(c25,f12(c23,c26))))
    | p21(f5(f6(c27,f9(f11(c25,f12(c23,c26)),c28,c27))),f5(f6(c27,f20(c25,c23,c26,c27)))) ),
    inference(modus_ponens,[status(thm)],[26,25]) ).

tff(28,plain,
    ( ~ p22(f20(c25,c23,c26,c27),f14(f11(c25,f12(c23,c26))))
    | p21(f5(f6(c27,f9(f11(c25,f12(c23,c26)),c28,c27))),f5(f6(c27,f20(c25,c23,c26,c27)))) ),
    inference(unit_resolution,[status(thm)],[27,24]) ).

tff(29,plain,
    p21(f5(f6(c27,f9(f11(c25,f12(c23,c26)),c28,c27))),f5(f6(c27,f20(c25,c23,c26,c27)))),
    inference(unit_resolution,[status(thm)],[28,14]) ).

tff(30,plain,
    ^ [X17: $i,X16: $i,X18: $i,X15: $i] :
      refl(
        ( ( p2(X15,f3(c24))
          | p21(f5(f6(X16,f20(X17,X15,X18,X16))),f15(f19(f11(X17,f12(X15,X18)),X16),f16(f3(f17(f18(c24)))))) )
      <=> ( p2(X15,f3(c24))
          | p21(f5(f6(X16,f20(X17,X15,X18,X16))),f15(f19(f11(X17,f12(X15,X18)),X16),f16(f3(f17(f18(c24)))))) ) )),
    inference(bind,[status(th)],]) ).

tff(31,plain,
    ( ! [X17: $i,X16: $i,X18: $i,X15: $i] :
        ( p2(X15,f3(c24))
        | p21(f5(f6(X16,f20(X17,X15,X18,X16))),f15(f19(f11(X17,f12(X15,X18)),X16),f16(f3(f17(f18(c24)))))) )
  <=> ! [X17: $i,X16: $i,X18: $i,X15: $i] :
        ( p2(X15,f3(c24))
        | p21(f5(f6(X16,f20(X17,X15,X18,X16))),f15(f19(f11(X17,f12(X15,X18)),X16),f16(f3(f17(f18(c24)))))) ) ),
    inference(quant_intro,[status(thm)],[30]) ).

tff(32,plain,
    ( ! [X17: $i,X16: $i,X18: $i,X15: $i] :
        ( p2(X15,f3(c24))
        | p21(f5(f6(X16,f20(X17,X15,X18,X16))),f15(f19(f11(X17,f12(X15,X18)),X16),f16(f3(f17(f18(c24)))))) )
  <=> ! [X17: $i,X16: $i,X18: $i,X15: $i] :
        ( p2(X15,f3(c24))
        | p21(f5(f6(X16,f20(X17,X15,X18,X16))),f15(f19(f11(X17,f12(X15,X18)),X16),f16(f3(f17(f18(c24)))))) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(33,axiom,
    ! [X17: $i,X16: $i,X18: $i,X15: $i] :
      ( p2(X15,f3(c24))
      | p21(f5(f6(X16,f20(X17,X15,X18,X16))),f15(f19(f11(X17,f12(X15,X18)),X16),f16(f3(f17(f18(c24)))))) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p2_34) ).

tff(34,plain,
    ! [X17: $i,X16: $i,X18: $i,X15: $i] :
      ( p2(X15,f3(c24))
      | p21(f5(f6(X16,f20(X17,X15,X18,X16))),f15(f19(f11(X17,f12(X15,X18)),X16),f16(f3(f17(f18(c24)))))) ),
    inference(modus_ponens,[status(thm)],[33,32]) ).

tff(35,plain,
    ! [X17: $i,X16: $i,X18: $i,X15: $i] :
      ( p2(X15,f3(c24))
      | p21(f5(f6(X16,f20(X17,X15,X18,X16))),f15(f19(f11(X17,f12(X15,X18)),X16),f16(f3(f17(f18(c24)))))) ),
    inference(skolemize,[status(sab)],[34]) ).

tff(36,plain,
    ! [X17: $i,X16: $i,X18: $i,X15: $i] :
      ( p2(X15,f3(c24))
      | p21(f5(f6(X16,f20(X17,X15,X18,X16))),f15(f19(f11(X17,f12(X15,X18)),X16),f16(f3(f17(f18(c24)))))) ),
    inference(modus_ponens,[status(thm)],[35,31]) ).

tff(37,plain,
    ( ( ~ ! [X17: $i,X16: $i,X18: $i,X15: $i] :
            ( p2(X15,f3(c24))
            | p21(f5(f6(X16,f20(X17,X15,X18,X16))),f15(f19(f11(X17,f12(X15,X18)),X16),f16(f3(f17(f18(c24)))))) )
      | p2(c23,f3(c24))
      | p21(f5(f6(c27,f20(c25,c23,c26,c27))),f15(f19(f11(c25,f12(c23,c26)),c27),f16(f3(f17(f18(c24)))))) )
  <=> ( ~ ! [X17: $i,X16: $i,X18: $i,X15: $i] :
            ( p2(X15,f3(c24))
            | p21(f5(f6(X16,f20(X17,X15,X18,X16))),f15(f19(f11(X17,f12(X15,X18)),X16),f16(f3(f17(f18(c24)))))) )
      | p2(c23,f3(c24))
      | p21(f5(f6(c27,f20(c25,c23,c26,c27))),f15(f19(f11(c25,f12(c23,c26)),c27),f16(f3(f17(f18(c24)))))) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(38,plain,
    ( ~ ! [X17: $i,X16: $i,X18: $i,X15: $i] :
          ( p2(X15,f3(c24))
          | p21(f5(f6(X16,f20(X17,X15,X18,X16))),f15(f19(f11(X17,f12(X15,X18)),X16),f16(f3(f17(f18(c24)))))) )
    | p2(c23,f3(c24))
    | p21(f5(f6(c27,f20(c25,c23,c26,c27))),f15(f19(f11(c25,f12(c23,c26)),c27),f16(f3(f17(f18(c24)))))) ),
    inference(quant_inst,[status(thm)],]) ).

tff(39,plain,
    ( ~ ! [X17: $i,X16: $i,X18: $i,X15: $i] :
          ( p2(X15,f3(c24))
          | p21(f5(f6(X16,f20(X17,X15,X18,X16))),f15(f19(f11(X17,f12(X15,X18)),X16),f16(f3(f17(f18(c24)))))) )
    | p2(c23,f3(c24))
    | p21(f5(f6(c27,f20(c25,c23,c26,c27))),f15(f19(f11(c25,f12(c23,c26)),c27),f16(f3(f17(f18(c24)))))) ),
    inference(modus_ponens,[status(thm)],[38,37]) ).

tff(40,plain,
    p21(f5(f6(c27,f20(c25,c23,c26,c27))),f15(f19(f11(c25,f12(c23,c26)),c27),f16(f3(f17(f18(c24)))))),
    inference(unit_resolution,[status(thm)],[39,10,36]) ).

tff(41,plain,
    ( ~ p21(f5(f6(c27,f9(f11(c25,f12(c23,c26)),c28,c27))),f15(f19(f11(c25,f12(c23,c26)),c27),f16(f3(f17(f18(c24))))))
  <=> ~ p21(f5(f6(c27,f9(f11(c25,f12(c23,c26)),c28,c27))),f15(f19(f11(c25,f12(c23,c26)),c27),f16(f3(f17(f18(c24)))))) ),
    inference(rewrite,[status(thm)],]) ).

tff(42,axiom,
    ~ p21(f5(f6(c27,f9(f11(c25,f12(c23,c26)),c28,c27))),f15(f19(f11(c25,f12(c23,c26)),c27),f16(f3(f17(f18(c24)))))),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',not_p21_32) ).

tff(43,plain,
    ~ p21(f5(f6(c27,f9(f11(c25,f12(c23,c26)),c28,c27))),f15(f19(f11(c25,f12(c23,c26)),c27),f16(f3(f17(f18(c24)))))),
    inference(modus_ponens,[status(thm)],[42,41]) ).

tff(44,plain,
    ( ! [X31: $i,X32: $i,X30: $i] :
        ( ~ p21(X32,X31)
        | ~ p21(X30,X32)
        | p21(X30,X31) )
  <=> ! [X31: $i,X32: $i,X30: $i] :
        ( ~ p21(X32,X31)
        | ~ p21(X30,X32)
        | p21(X30,X31) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(45,plain,
    ( ! [X31: $i,X32: $i,X30: $i] :
        ( ~ p21(X32,X31)
        | ~ p21(X30,X32)
        | p21(X30,X31) )
  <=> ! [X31: $i,X32: $i,X30: $i] :
        ( ~ p21(X32,X31)
        | ~ p21(X30,X32)
        | p21(X30,X31) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(46,plain,
    ^ [X31: $i,X32: $i,X30: $i] :
      trans(
        monotonicity(
          rewrite(
            ( ( p21(X30,X31)
              | ~ p21(X30,X32) )
          <=> ( ~ p21(X30,X32)
              | p21(X30,X31) ) )),
          ( ( p21(X30,X31)
            | ~ p21(X30,X32)
            | ~ p21(X32,X31) )
        <=> ( ~ p21(X30,X32)
            | p21(X30,X31)
            | ~ p21(X32,X31) ) )),
        rewrite(
          ( ( ~ p21(X30,X32)
            | p21(X30,X31)
            | ~ p21(X32,X31) )
        <=> ( ~ p21(X32,X31)
            | ~ p21(X30,X32)
            | p21(X30,X31) ) )),
        ( ( p21(X30,X31)
          | ~ p21(X30,X32)
          | ~ p21(X32,X31) )
      <=> ( ~ p21(X32,X31)
          | ~ p21(X30,X32)
          | p21(X30,X31) ) )),
    inference(bind,[status(th)],]) ).

tff(47,plain,
    ( ! [X31: $i,X32: $i,X30: $i] :
        ( p21(X30,X31)
        | ~ p21(X30,X32)
        | ~ p21(X32,X31) )
  <=> ! [X31: $i,X32: $i,X30: $i] :
        ( ~ p21(X32,X31)
        | ~ p21(X30,X32)
        | p21(X30,X31) ) ),
    inference(quant_intro,[status(thm)],[46]) ).

tff(48,axiom,
    ! [X31: $i,X32: $i,X30: $i] :
      ( p21(X30,X31)
      | ~ p21(X30,X32)
      | ~ p21(X32,X31) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p21_18) ).

tff(49,plain,
    ! [X31: $i,X32: $i,X30: $i] :
      ( ~ p21(X32,X31)
      | ~ p21(X30,X32)
      | p21(X30,X31) ),
    inference(modus_ponens,[status(thm)],[48,47]) ).

tff(50,plain,
    ! [X31: $i,X32: $i,X30: $i] :
      ( ~ p21(X32,X31)
      | ~ p21(X30,X32)
      | p21(X30,X31) ),
    inference(modus_ponens,[status(thm)],[49,45]) ).

tff(51,plain,
    ! [X31: $i,X32: $i,X30: $i] :
      ( ~ p21(X32,X31)
      | ~ p21(X30,X32)
      | p21(X30,X31) ),
    inference(skolemize,[status(sab)],[50]) ).

tff(52,plain,
    ! [X31: $i,X32: $i,X30: $i] :
      ( ~ p21(X32,X31)
      | ~ p21(X30,X32)
      | p21(X30,X31) ),
    inference(modus_ponens,[status(thm)],[51,44]) ).

tff(53,plain,
    ( ( ~ ! [X31: $i,X32: $i,X30: $i] :
            ( ~ p21(X32,X31)
            | ~ p21(X30,X32)
            | p21(X30,X31) )
      | ~ p21(f5(f6(c27,f20(c25,c23,c26,c27))),f15(f19(f11(c25,f12(c23,c26)),c27),f16(f3(f17(f18(c24))))))
      | ~ p21(f5(f6(c27,f9(f11(c25,f12(c23,c26)),c28,c27))),f5(f6(c27,f20(c25,c23,c26,c27))))
      | p21(f5(f6(c27,f9(f11(c25,f12(c23,c26)),c28,c27))),f15(f19(f11(c25,f12(c23,c26)),c27),f16(f3(f17(f18(c24)))))) )
  <=> ( ~ ! [X31: $i,X32: $i,X30: $i] :
            ( ~ p21(X32,X31)
            | ~ p21(X30,X32)
            | p21(X30,X31) )
      | ~ p21(f5(f6(c27,f20(c25,c23,c26,c27))),f15(f19(f11(c25,f12(c23,c26)),c27),f16(f3(f17(f18(c24))))))
      | ~ p21(f5(f6(c27,f9(f11(c25,f12(c23,c26)),c28,c27))),f5(f6(c27,f20(c25,c23,c26,c27))))
      | p21(f5(f6(c27,f9(f11(c25,f12(c23,c26)),c28,c27))),f15(f19(f11(c25,f12(c23,c26)),c27),f16(f3(f17(f18(c24)))))) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(54,plain,
    ( ~ ! [X31: $i,X32: $i,X30: $i] :
          ( ~ p21(X32,X31)
          | ~ p21(X30,X32)
          | p21(X30,X31) )
    | ~ p21(f5(f6(c27,f20(c25,c23,c26,c27))),f15(f19(f11(c25,f12(c23,c26)),c27),f16(f3(f17(f18(c24))))))
    | ~ p21(f5(f6(c27,f9(f11(c25,f12(c23,c26)),c28,c27))),f5(f6(c27,f20(c25,c23,c26,c27))))
    | p21(f5(f6(c27,f9(f11(c25,f12(c23,c26)),c28,c27))),f15(f19(f11(c25,f12(c23,c26)),c27),f16(f3(f17(f18(c24)))))) ),
    inference(quant_inst,[status(thm)],]) ).

tff(55,plain,
    ( ~ ! [X31: $i,X32: $i,X30: $i] :
          ( ~ p21(X32,X31)
          | ~ p21(X30,X32)
          | p21(X30,X31) )
    | ~ p21(f5(f6(c27,f20(c25,c23,c26,c27))),f15(f19(f11(c25,f12(c23,c26)),c27),f16(f3(f17(f18(c24))))))
    | ~ p21(f5(f6(c27,f9(f11(c25,f12(c23,c26)),c28,c27))),f5(f6(c27,f20(c25,c23,c26,c27))))
    | p21(f5(f6(c27,f9(f11(c25,f12(c23,c26)),c28,c27))),f15(f19(f11(c25,f12(c23,c26)),c27),f16(f3(f17(f18(c24)))))) ),
    inference(modus_ponens,[status(thm)],[54,53]) ).

tff(56,plain,
    $false,
    inference(unit_resolution,[status(thm)],[55,52,43,40,29]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.12  % Problem  : SYN621-1 : TPTP v8.1.0. Released v2.5.0.
% 0.12/0.13  % Command  : z3_tptp -proof -model -t:%d -file:%s
% 0.13/0.34  % Computer : n005.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 : Mon Sep  5 06:10:18 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.
% 0.13/0.40  % SZS status Unsatisfiable
% 0.13/0.40  % SZS output start Proof
% See solution above
%------------------------------------------------------------------------------