TSTP Solution File: GRP031-1 by LEO-II---1.7.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : LEO-II---1.7.0
% Problem  : GRP031-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp
% Command  : leo --timeout %d --proofoutput 1 --foatp e --atp e=./eprover %s

% Computer : n025.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  : 600s
% DateTime : Sat Jul 16 10:15:32 EDT 2022

% Result   : Unsatisfiable 0.22s 0.47s
% Output   : CNFRefutation 0.22s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   17
%            Number of leaves      :   13
% Syntax   : Number of formulae    :   75 (  46 unt;   5 typ;   0 def)
%            Number of atoms       :  386 ( 110 equ;   0 cnn)
%            Maximal formula atoms :    4 (   5 avg)
%            Number of connectives :  741 (  97   ~; 120   |;   0   &; 524   @)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   14 (   4 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    6 (   6   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :    8 (   5 usr;   4 con; 0-3 aty)
%            Number of variables   :  263 (   0   ^ 263   !;   0   ?; 263   :)

% Comments : 
%------------------------------------------------------------------------------
thf(tp_a,type,
    a: $i ).

thf(tp_identity,type,
    identity: $i ).

thf(tp_inverse,type,
    inverse: $i > $i ).

thf(tp_multiply,type,
    multiply: $i > $i > $i ).

thf(tp_product,type,
    product: $i > $i > $i > $o ).

thf(1,axiom,
    ! [X: $i,Y: $i,U: $i,Z: $i,V: $i,W: $i] :
      ( ~ ( product @ X @ Y @ U )
      | ~ ( product @ Y @ Z @ V )
      | ~ ( product @ X @ V @ W )
      | ( product @ U @ Z @ W ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',associativity2) ).

thf(2,axiom,
    ! [X: $i,Y: $i,U: $i,Z: $i,V: $i,W: $i] :
      ( ~ ( product @ X @ Y @ U )
      | ~ ( product @ Y @ Z @ V )
      | ~ ( product @ U @ Z @ W )
      | ( product @ X @ V @ W ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',associativity1) ).

thf(3,axiom,
    ! [X: $i,Y: $i,Z: $i,W: $i] :
      ( ~ ( product @ X @ Y @ Z )
      | ~ ( product @ X @ Y @ W )
      | ( Z = W ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',total_function2) ).

thf(4,axiom,
    ! [X: $i,Y: $i] : ( product @ X @ Y @ ( multiply @ X @ Y ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',total_function1) ).

thf(5,axiom,
    ! [A: $i] : ( product @ ( inverse @ A ) @ A @ identity ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',left_inverse) ).

thf(6,axiom,
    ! [A: $i] : ( product @ identity @ A @ A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',left_identity) ).

thf(7,conjecture,
    $false,
    file('no conjecture given, we try to refute the axioms',dummy_conjecture) ).

thf(8,negated_conjecture,
    $false = $false,
    inference(negate_conjecture,[status(cth)],[7]) ).

thf(9,negated_conjecture,
    ! [A: $i] :
      ~ ( product @ a @ A @ identity ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_a_has_an_inverse) ).

thf(10,plain,
    $false = $false,
    inference(unfold_def,[status(thm)],[8]) ).

thf(11,plain,
    ( ( ! [X: $i,Y: $i,U: $i,Z: $i,V: $i,W: $i] :
          ( ~ ( product @ X @ Y @ U )
          | ~ ( product @ Y @ Z @ V )
          | ~ ( product @ X @ V @ W )
          | ( product @ U @ Z @ W ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[1]) ).

thf(12,plain,
    ( ( ! [X: $i,Y: $i,U: $i,Z: $i,V: $i,W: $i] :
          ( ~ ( product @ X @ Y @ U )
          | ~ ( product @ Y @ Z @ V )
          | ~ ( product @ U @ Z @ W )
          | ( product @ X @ V @ W ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[2]) ).

thf(13,plain,
    ( ( ! [X: $i,Y: $i,Z: $i,W: $i] :
          ( ~ ( product @ X @ Y @ Z )
          | ~ ( product @ X @ Y @ W )
          | ( Z = W ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[3]) ).

thf(14,plain,
    ( ( ! [X: $i,Y: $i] : ( product @ X @ Y @ ( multiply @ X @ Y ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[4]) ).

thf(15,plain,
    ( ( ! [A: $i] : ( product @ ( inverse @ A ) @ A @ identity ) )
    = $true ),
    inference(unfold_def,[status(thm)],[5]) ).

thf(16,plain,
    ( ( ! [A: $i] : ( product @ identity @ A @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[6]) ).

thf(17,plain,
    ( ( ! [A: $i] :
          ~ ( product @ a @ A @ identity ) )
    = $true ),
    inference(unfold_def,[status(thm)],[9]) ).

thf(18,plain,
    ( ( ~ $false )
    = $true ),
    inference(polarity_switch,[status(thm)],[10]) ).

thf(19,plain,
    ( ( ! [X: $i,Y: $i,U: $i,Z: $i] :
          ( ~ ( product @ X @ Y @ U )
          | ! [V: $i] :
              ( ~ ( product @ Y @ Z @ V )
              | ! [W: $i] :
                  ( ~ ( product @ X @ V @ W )
                  | ( product @ U @ Z @ W ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[11]) ).

thf(20,plain,
    ( ( ! [X: $i,Y: $i,U: $i,Z: $i] :
          ( ~ ( product @ X @ Y @ U )
          | ! [V: $i] :
              ( ~ ( product @ Y @ Z @ V )
              | ! [W: $i] :
                  ( ~ ( product @ U @ Z @ W )
                  | ( product @ X @ V @ W ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[12]) ).

thf(21,plain,
    ( ( ! [X: $i,Y: $i,Z: $i] :
          ( ~ ( product @ X @ Y @ Z )
          | ! [W: $i] :
              ( ~ ( product @ X @ Y @ W )
              | ( Z = W ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[13]) ).

thf(22,plain,
    ( ( ! [A: $i] :
          ~ ( product @ a @ A @ identity ) )
    = $true ),
    inference(copy,[status(thm)],[17]) ).

thf(23,plain,
    ( ( ! [A: $i] : ( product @ identity @ A @ A ) )
    = $true ),
    inference(copy,[status(thm)],[16]) ).

thf(24,plain,
    ( ( ! [A: $i] : ( product @ ( inverse @ A ) @ A @ identity ) )
    = $true ),
    inference(copy,[status(thm)],[15]) ).

thf(25,plain,
    ( ( ! [X: $i,Y: $i] : ( product @ X @ Y @ ( multiply @ X @ Y ) ) )
    = $true ),
    inference(copy,[status(thm)],[14]) ).

thf(26,plain,
    ( ( ! [X: $i,Y: $i,Z: $i] :
          ( ~ ( product @ X @ Y @ Z )
          | ! [W: $i] :
              ( ~ ( product @ X @ Y @ W )
              | ( Z = W ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[21]) ).

thf(27,plain,
    ( ( ! [X: $i,Y: $i,U: $i,Z: $i] :
          ( ~ ( product @ X @ Y @ U )
          | ! [V: $i] :
              ( ~ ( product @ Y @ Z @ V )
              | ! [W: $i] :
                  ( ~ ( product @ U @ Z @ W )
                  | ( product @ X @ V @ W ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[20]) ).

thf(28,plain,
    ( ( ! [X: $i,Y: $i,U: $i,Z: $i] :
          ( ~ ( product @ X @ Y @ U )
          | ! [V: $i] :
              ( ~ ( product @ Y @ Z @ V )
              | ! [W: $i] :
                  ( ~ ( product @ X @ V @ W )
                  | ( product @ U @ Z @ W ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[19]) ).

thf(29,plain,
    ( ( ~ $false )
    = $true ),
    inference(copy,[status(thm)],[18]) ).

thf(30,plain,
    ! [SV1: $i] :
      ( ( ~ ( product @ a @ SV1 @ identity ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[22]) ).

thf(31,plain,
    ! [SV2: $i] :
      ( ( product @ identity @ SV2 @ SV2 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[23]) ).

thf(32,plain,
    ! [SV3: $i] :
      ( ( product @ ( inverse @ SV3 ) @ SV3 @ identity )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[24]) ).

thf(33,plain,
    ! [SV4: $i] :
      ( ( ! [SY21: $i] : ( product @ SV4 @ SY21 @ ( multiply @ SV4 @ SY21 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[25]) ).

thf(34,plain,
    ! [SV5: $i] :
      ( ( ! [SY22: $i,SY23: $i] :
            ( ~ ( product @ SV5 @ SY22 @ SY23 )
            | ! [SY24: $i] :
                ( ~ ( product @ SV5 @ SY22 @ SY24 )
                | ( SY23 = SY24 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[26]) ).

thf(35,plain,
    ! [SV6: $i] :
      ( ( ! [SY25: $i,SY26: $i,SY27: $i] :
            ( ~ ( product @ SV6 @ SY25 @ SY26 )
            | ! [SY28: $i] :
                ( ~ ( product @ SY25 @ SY27 @ SY28 )
                | ! [SY29: $i] :
                    ( ~ ( product @ SY26 @ SY27 @ SY29 )
                    | ( product @ SV6 @ SY28 @ SY29 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[27]) ).

thf(36,plain,
    ! [SV7: $i] :
      ( ( ! [SY30: $i,SY31: $i,SY32: $i] :
            ( ~ ( product @ SV7 @ SY30 @ SY31 )
            | ! [SY33: $i] :
                ( ~ ( product @ SY30 @ SY32 @ SY33 )
                | ! [SY34: $i] :
                    ( ~ ( product @ SV7 @ SY33 @ SY34 )
                    | ( product @ SY31 @ SY32 @ SY34 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[28]) ).

thf(37,plain,
    $false = $false,
    inference(extcnf_not_pos,[status(thm)],[29]) ).

thf(38,plain,
    ! [SV1: $i] :
      ( ( product @ a @ SV1 @ identity )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[30]) ).

thf(39,plain,
    ! [SV8: $i,SV4: $i] :
      ( ( product @ SV4 @ SV8 @ ( multiply @ SV4 @ SV8 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[33]) ).

thf(40,plain,
    ! [SV9: $i,SV5: $i] :
      ( ( ! [SY35: $i] :
            ( ~ ( product @ SV5 @ SV9 @ SY35 )
            | ! [SY36: $i] :
                ( ~ ( product @ SV5 @ SV9 @ SY36 )
                | ( SY35 = SY36 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[34]) ).

thf(41,plain,
    ! [SV10: $i,SV6: $i] :
      ( ( ! [SY37: $i,SY38: $i] :
            ( ~ ( product @ SV6 @ SV10 @ SY37 )
            | ! [SY39: $i] :
                ( ~ ( product @ SV10 @ SY38 @ SY39 )
                | ! [SY29: $i] :
                    ( ~ ( product @ SY37 @ SY38 @ SY29 )
                    | ( product @ SV6 @ SY39 @ SY29 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[35]) ).

thf(42,plain,
    ! [SV11: $i,SV7: $i] :
      ( ( ! [SY41: $i,SY42: $i] :
            ( ~ ( product @ SV7 @ SV11 @ SY41 )
            | ! [SY43: $i] :
                ( ~ ( product @ SV11 @ SY42 @ SY43 )
                | ! [SY34: $i] :
                    ( ~ ( product @ SV7 @ SY43 @ SY34 )
                    | ( product @ SY41 @ SY42 @ SY34 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[36]) ).

thf(43,plain,
    ! [SV12: $i,SV9: $i,SV5: $i] :
      ( ( ~ ( product @ SV5 @ SV9 @ SV12 )
        | ! [SY45: $i] :
            ( ~ ( product @ SV5 @ SV9 @ SY45 )
            | ( SV12 = SY45 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[40]) ).

thf(44,plain,
    ! [SV13: $i,SV10: $i,SV6: $i] :
      ( ( ! [SY46: $i] :
            ( ~ ( product @ SV6 @ SV10 @ SV13 )
            | ! [SY47: $i] :
                ( ~ ( product @ SV10 @ SY46 @ SY47 )
                | ! [SY48: $i] :
                    ( ~ ( product @ SV13 @ SY46 @ SY48 )
                    | ( product @ SV6 @ SY47 @ SY48 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[41]) ).

thf(45,plain,
    ! [SV14: $i,SV11: $i,SV7: $i] :
      ( ( ! [SY49: $i] :
            ( ~ ( product @ SV7 @ SV11 @ SV14 )
            | ! [SY50: $i] :
                ( ~ ( product @ SV11 @ SY49 @ SY50 )
                | ! [SY51: $i] :
                    ( ~ ( product @ SV7 @ SY50 @ SY51 )
                    | ( product @ SV14 @ SY49 @ SY51 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[42]) ).

thf(46,plain,
    ! [SV12: $i,SV9: $i,SV5: $i] :
      ( ( ( ~ ( product @ SV5 @ SV9 @ SV12 ) )
        = $true )
      | ( ( ! [SY45: $i] :
              ( ~ ( product @ SV5 @ SV9 @ SY45 )
              | ( SV12 = SY45 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[43]) ).

thf(47,plain,
    ! [SV15: $i,SV13: $i,SV10: $i,SV6: $i] :
      ( ( ~ ( product @ SV6 @ SV10 @ SV13 )
        | ! [SY52: $i] :
            ( ~ ( product @ SV10 @ SV15 @ SY52 )
            | ! [SY53: $i] :
                ( ~ ( product @ SV13 @ SV15 @ SY53 )
                | ( product @ SV6 @ SY52 @ SY53 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[44]) ).

thf(48,plain,
    ! [SV16: $i,SV14: $i,SV11: $i,SV7: $i] :
      ( ( ~ ( product @ SV7 @ SV11 @ SV14 )
        | ! [SY54: $i] :
            ( ~ ( product @ SV11 @ SV16 @ SY54 )
            | ! [SY55: $i] :
                ( ~ ( product @ SV7 @ SY54 @ SY55 )
                | ( product @ SV14 @ SV16 @ SY55 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[45]) ).

thf(49,plain,
    ! [SV12: $i,SV9: $i,SV5: $i] :
      ( ( ( product @ SV5 @ SV9 @ SV12 )
        = $false )
      | ( ( ! [SY45: $i] :
              ( ~ ( product @ SV5 @ SV9 @ SY45 )
              | ( SV12 = SY45 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[46]) ).

thf(50,plain,
    ! [SV15: $i,SV13: $i,SV10: $i,SV6: $i] :
      ( ( ( ~ ( product @ SV6 @ SV10 @ SV13 ) )
        = $true )
      | ( ( ! [SY52: $i] :
              ( ~ ( product @ SV10 @ SV15 @ SY52 )
              | ! [SY53: $i] :
                  ( ~ ( product @ SV13 @ SV15 @ SY53 )
                  | ( product @ SV6 @ SY52 @ SY53 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[47]) ).

thf(51,plain,
    ! [SV16: $i,SV14: $i,SV11: $i,SV7: $i] :
      ( ( ( ~ ( product @ SV7 @ SV11 @ SV14 ) )
        = $true )
      | ( ( ! [SY54: $i] :
              ( ~ ( product @ SV11 @ SV16 @ SY54 )
              | ! [SY55: $i] :
                  ( ~ ( product @ SV7 @ SY54 @ SY55 )
                  | ( product @ SV14 @ SV16 @ SY55 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[48]) ).

thf(52,plain,
    ! [SV12: $i,SV17: $i,SV9: $i,SV5: $i] :
      ( ( ( ~ ( product @ SV5 @ SV9 @ SV17 )
          | ( SV12 = SV17 ) )
        = $true )
      | ( ( product @ SV5 @ SV9 @ SV12 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[49]) ).

thf(53,plain,
    ! [SV15: $i,SV13: $i,SV10: $i,SV6: $i] :
      ( ( ( product @ SV6 @ SV10 @ SV13 )
        = $false )
      | ( ( ! [SY52: $i] :
              ( ~ ( product @ SV10 @ SV15 @ SY52 )
              | ! [SY53: $i] :
                  ( ~ ( product @ SV13 @ SV15 @ SY53 )
                  | ( product @ SV6 @ SY52 @ SY53 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[50]) ).

thf(54,plain,
    ! [SV16: $i,SV14: $i,SV11: $i,SV7: $i] :
      ( ( ( product @ SV7 @ SV11 @ SV14 )
        = $false )
      | ( ( ! [SY54: $i] :
              ( ~ ( product @ SV11 @ SV16 @ SY54 )
              | ! [SY55: $i] :
                  ( ~ ( product @ SV7 @ SY54 @ SY55 )
                  | ( product @ SV14 @ SV16 @ SY55 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[51]) ).

thf(55,plain,
    ! [SV12: $i,SV17: $i,SV9: $i,SV5: $i] :
      ( ( ( ~ ( product @ SV5 @ SV9 @ SV17 ) )
        = $true )
      | ( ( SV12 = SV17 )
        = $true )
      | ( ( product @ SV5 @ SV9 @ SV12 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[52]) ).

thf(56,plain,
    ! [SV6: $i,SV13: $i,SV18: $i,SV15: $i,SV10: $i] :
      ( ( ( ~ ( product @ SV10 @ SV15 @ SV18 )
          | ! [SY56: $i] :
              ( ~ ( product @ SV13 @ SV15 @ SY56 )
              | ( product @ SV6 @ SV18 @ SY56 ) ) )
        = $true )
      | ( ( product @ SV6 @ SV10 @ SV13 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[53]) ).

thf(57,plain,
    ! [SV14: $i,SV7: $i,SV19: $i,SV16: $i,SV11: $i] :
      ( ( ( ~ ( product @ SV11 @ SV16 @ SV19 )
          | ! [SY57: $i] :
              ( ~ ( product @ SV7 @ SV19 @ SY57 )
              | ( product @ SV14 @ SV16 @ SY57 ) ) )
        = $true )
      | ( ( product @ SV7 @ SV11 @ SV14 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[54]) ).

thf(58,plain,
    ! [SV12: $i,SV17: $i,SV9: $i,SV5: $i] :
      ( ( ( product @ SV5 @ SV9 @ SV17 )
        = $false )
      | ( ( SV12 = SV17 )
        = $true )
      | ( ( product @ SV5 @ SV9 @ SV12 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[55]) ).

thf(59,plain,
    ! [SV6: $i,SV13: $i,SV18: $i,SV15: $i,SV10: $i] :
      ( ( ( ~ ( product @ SV10 @ SV15 @ SV18 ) )
        = $true )
      | ( ( ! [SY56: $i] :
              ( ~ ( product @ SV13 @ SV15 @ SY56 )
              | ( product @ SV6 @ SV18 @ SY56 ) ) )
        = $true )
      | ( ( product @ SV6 @ SV10 @ SV13 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[56]) ).

thf(60,plain,
    ! [SV14: $i,SV7: $i,SV19: $i,SV16: $i,SV11: $i] :
      ( ( ( ~ ( product @ SV11 @ SV16 @ SV19 ) )
        = $true )
      | ( ( ! [SY57: $i] :
              ( ~ ( product @ SV7 @ SV19 @ SY57 )
              | ( product @ SV14 @ SV16 @ SY57 ) ) )
        = $true )
      | ( ( product @ SV7 @ SV11 @ SV14 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[57]) ).

thf(61,plain,
    ! [SV6: $i,SV13: $i,SV18: $i,SV15: $i,SV10: $i] :
      ( ( ( product @ SV10 @ SV15 @ SV18 )
        = $false )
      | ( ( ! [SY56: $i] :
              ( ~ ( product @ SV13 @ SV15 @ SY56 )
              | ( product @ SV6 @ SV18 @ SY56 ) ) )
        = $true )
      | ( ( product @ SV6 @ SV10 @ SV13 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[59]) ).

thf(62,plain,
    ! [SV14: $i,SV7: $i,SV19: $i,SV16: $i,SV11: $i] :
      ( ( ( product @ SV11 @ SV16 @ SV19 )
        = $false )
      | ( ( ! [SY57: $i] :
              ( ~ ( product @ SV7 @ SV19 @ SY57 )
              | ( product @ SV14 @ SV16 @ SY57 ) ) )
        = $true )
      | ( ( product @ SV7 @ SV11 @ SV14 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[60]) ).

thf(63,plain,
    ! [SV10: $i,SV18: $i,SV6: $i,SV20: $i,SV15: $i,SV13: $i] :
      ( ( ( ~ ( product @ SV13 @ SV15 @ SV20 )
          | ( product @ SV6 @ SV18 @ SV20 ) )
        = $true )
      | ( ( product @ SV10 @ SV15 @ SV18 )
        = $false )
      | ( ( product @ SV6 @ SV10 @ SV13 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[61]) ).

thf(64,plain,
    ! [SV11: $i,SV16: $i,SV14: $i,SV21: $i,SV19: $i,SV7: $i] :
      ( ( ( ~ ( product @ SV7 @ SV19 @ SV21 )
          | ( product @ SV14 @ SV16 @ SV21 ) )
        = $true )
      | ( ( product @ SV11 @ SV16 @ SV19 )
        = $false )
      | ( ( product @ SV7 @ SV11 @ SV14 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[62]) ).

thf(65,plain,
    ! [SV10: $i,SV18: $i,SV6: $i,SV20: $i,SV15: $i,SV13: $i] :
      ( ( ( ~ ( product @ SV13 @ SV15 @ SV20 ) )
        = $true )
      | ( ( product @ SV6 @ SV18 @ SV20 )
        = $true )
      | ( ( product @ SV10 @ SV15 @ SV18 )
        = $false )
      | ( ( product @ SV6 @ SV10 @ SV13 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[63]) ).

thf(66,plain,
    ! [SV11: $i,SV16: $i,SV14: $i,SV21: $i,SV19: $i,SV7: $i] :
      ( ( ( ~ ( product @ SV7 @ SV19 @ SV21 ) )
        = $true )
      | ( ( product @ SV14 @ SV16 @ SV21 )
        = $true )
      | ( ( product @ SV11 @ SV16 @ SV19 )
        = $false )
      | ( ( product @ SV7 @ SV11 @ SV14 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[64]) ).

thf(67,plain,
    ! [SV10: $i,SV18: $i,SV6: $i,SV20: $i,SV15: $i,SV13: $i] :
      ( ( ( product @ SV13 @ SV15 @ SV20 )
        = $false )
      | ( ( product @ SV6 @ SV18 @ SV20 )
        = $true )
      | ( ( product @ SV10 @ SV15 @ SV18 )
        = $false )
      | ( ( product @ SV6 @ SV10 @ SV13 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[65]) ).

thf(68,plain,
    ! [SV11: $i,SV16: $i,SV14: $i,SV21: $i,SV19: $i,SV7: $i] :
      ( ( ( product @ SV7 @ SV19 @ SV21 )
        = $false )
      | ( ( product @ SV14 @ SV16 @ SV21 )
        = $true )
      | ( ( product @ SV11 @ SV16 @ SV19 )
        = $false )
      | ( ( product @ SV7 @ SV11 @ SV14 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[66]) ).

thf(69,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[31,68,67,58,39,38,37,32]) ).

thf(70,plain,
    $false,
    inference(solved_all_splits,[solved_all_splits(join,[])],[69]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.14  % Problem  : GRP031-1 : TPTP v8.1.0. Released v1.0.0.
% 0.04/0.15  % Command  : leo --timeout %d --proofoutput 1 --foatp e --atp e=./eprover %s
% 0.14/0.36  % Computer : n025.cluster.edu
% 0.14/0.36  % Model    : x86_64 x86_64
% 0.14/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.36  % Memory   : 8042.1875MB
% 0.14/0.36  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.36  % CPULimit : 300
% 0.14/0.36  % WCLimit  : 600
% 0.14/0.36  % DateTime : Tue Jun 14 05:32:09 EDT 2022
% 0.14/0.36  % CPUTime  : 
% 0.14/0.37  
% 0.14/0.37   No.of.Axioms: 7
% 0.14/0.37  
% 0.14/0.37   Length.of.Defs: 0
% 0.14/0.37  
% 0.14/0.37   Contains.Choice.Funs: false
% 0.22/0.38  (rf:0,axioms:7,ps:3,u:6,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:true,expand_extuni:false,foatp:e,atp_timeout:600,atp_calls_frequency:10,ordering:none,proof_output:1,protocol_output:false,clause_count:9,loop_count:0,foatp_calls:0,translation:fof_full)....
% 0.22/0.47  
% 0.22/0.47  ********************************
% 0.22/0.47  *   All subproblems solved!    *
% 0.22/0.47  ********************************
% 0.22/0.47  % SZS status Unsatisfiable for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:0,axioms:7,ps:3,u:6,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:true,expand_extuni:false,foatp:e,atp_timeout:74,atp_calls_frequency:10,ordering:none,proof_output:1,protocol_output:false,clause_count:69,loop_count:0,foatp_calls:1,translation:fof_full)
% 0.22/0.47  
% 0.22/0.47  %**** Beginning of derivation protocol ****
% 0.22/0.47  % SZS output start CNFRefutation
% See solution above
% 0.22/0.47  
% 0.22/0.47  %**** End of derivation protocol ****
% 0.22/0.47  %**** no. of clauses in derivation: 70 ****
% 0.22/0.47  %**** clause counter: 69 ****
% 0.22/0.47  
% 0.22/0.47  % SZS status Unsatisfiable for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:0,axioms:7,ps:3,u:6,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:true,expand_extuni:false,foatp:e,atp_timeout:74,atp_calls_frequency:10,ordering:none,proof_output:1,protocol_output:false,clause_count:69,loop_count:0,foatp_calls:1,translation:fof_full)
%------------------------------------------------------------------------------