TSTP Solution File: GRP292-1 by LEO-II---1.7.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : LEO-II---1.7.0
% Problem  : GRP292-1 : TPTP v8.1.0. Released v2.5.0.
% Transfm  : none
% Format   : tptp
% Command  : leo --timeout %d --proofoutput 1 --foatp e --atp e=./eprover %s

% Computer : n015.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 10:17:23 EDT 2022

% Result   : Unsatisfiable 0.45s 0.64s
% Output   : CNFRefutation 0.45s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   26
%            Number of leaves      :   35
% Syntax   : Number of formulae    :  137 (  67 unt;  10 typ;   0 def)
%            Number of atoms       :  833 ( 612 equ;   0 cnn)
%            Maximal formula atoms :    9 (   6 avg)
%            Number of connectives : 1133 ( 142   ~; 280   |;   0   &; 711   @)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   14 (   3 avg)
%            Number of types       :    1 (   0 usr)
%            Number of type conns  :    3 (   3   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   13 (  10 usr;  10 con; 0-2 aty)
%            Number of variables   :  126 (   0   ^ 126   !;   0   ?; 126   :)

% Comments : 
%------------------------------------------------------------------------------
thf(tp_identity,type,
    identity: $i ).

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

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

thf(tp_sk_c1,type,
    sk_c1: $i ).

thf(tp_sk_c2,type,
    sk_c2: $i ).

thf(tp_sk_c3,type,
    sk_c3: $i ).

thf(tp_sk_c4,type,
    sk_c4: $i ).

thf(tp_sk_c5,type,
    sk_c5: $i ).

thf(tp_sk_c6,type,
    sk_c6: $i ).

thf(tp_sk_c7,type,
    sk_c7: $i ).

thf(1,axiom,
    ! [X: $i,Y: $i,Z: $i] :
      ( ( multiply @ ( multiply @ X @ Y ) @ Z )
      = ( multiply @ X @ ( multiply @ Y @ Z ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',associativity) ).

thf(2,axiom,
    ! [X: $i] :
      ( ( multiply @ ( inverse @ X ) @ X )
      = identity ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',left_inverse) ).

thf(3,axiom,
    ! [X: $i] :
      ( ( multiply @ identity @ X )
      = X ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',left_identity) ).

thf(4,conjecture,
    $false,
    file('no conjecture given, we try to refute the axioms',dummy_conjecture) ).

thf(5,negated_conjecture,
    $false = $false,
    inference(negate_conjecture,[status(cth)],[4]) ).

thf(6,negated_conjecture,
    ! [X3: $i,X4: $i,X2: $i,X1: $i] :
      ( ( ( multiply @ sk_c7 @ sk_c6 )
       != sk_c5 )
      | ( ( multiply @ X3 @ sk_c7 )
       != sk_c6 )
      | ( ( inverse @ X3 )
       != sk_c7 )
      | ( ( multiply @ X4 @ sk_c5 )
       != sk_c6 )
      | ( ( inverse @ X4 )
       != sk_c5 )
      | ( ( multiply @ sk_c5 @ sk_c6 )
       != sk_c7 )
      | ( ( multiply @ X2 @ X1 )
       != sk_c6 )
      | ( ( inverse @ X2 )
       != X1 )
      | ( ( multiply @ X1 @ sk_c5 )
       != sk_c6 ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_21) ).

thf(7,negated_conjecture,
    ( ( ( inverse @ sk_c2 )
      = sk_c5 )
    | ( ( multiply @ sk_c4 @ sk_c5 )
      = sk_c6 ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_20) ).

thf(8,negated_conjecture,
    ( ( ( inverse @ sk_c2 )
      = sk_c5 )
    | ( ( inverse @ sk_c3 )
      = sk_c4 ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_19) ).

thf(9,negated_conjecture,
    ( ( ( inverse @ sk_c2 )
      = sk_c5 )
    | ( ( multiply @ sk_c3 @ sk_c4 )
      = sk_c6 ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_18) ).

thf(10,negated_conjecture,
    ( ( ( inverse @ sk_c2 )
      = sk_c5 )
    | ( ( multiply @ sk_c5 @ sk_c6 )
      = sk_c7 ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_17) ).

thf(11,negated_conjecture,
    ( ( ( multiply @ sk_c2 @ sk_c5 )
      = sk_c6 )
    | ( ( multiply @ sk_c4 @ sk_c5 )
      = sk_c6 ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_16) ).

thf(12,negated_conjecture,
    ( ( ( multiply @ sk_c2 @ sk_c5 )
      = sk_c6 )
    | ( ( inverse @ sk_c3 )
      = sk_c4 ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_15) ).

thf(13,negated_conjecture,
    ( ( ( multiply @ sk_c2 @ sk_c5 )
      = sk_c6 )
    | ( ( multiply @ sk_c3 @ sk_c4 )
      = sk_c6 ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_14) ).

thf(14,negated_conjecture,
    ( ( ( multiply @ sk_c2 @ sk_c5 )
      = sk_c6 )
    | ( ( multiply @ sk_c5 @ sk_c6 )
      = sk_c7 ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_13) ).

thf(15,negated_conjecture,
    ( ( ( inverse @ sk_c1 )
      = sk_c7 )
    | ( ( multiply @ sk_c4 @ sk_c5 )
      = sk_c6 ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_12) ).

thf(16,negated_conjecture,
    ( ( ( inverse @ sk_c1 )
      = sk_c7 )
    | ( ( inverse @ sk_c3 )
      = sk_c4 ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_11) ).

thf(17,negated_conjecture,
    ( ( ( inverse @ sk_c1 )
      = sk_c7 )
    | ( ( multiply @ sk_c3 @ sk_c4 )
      = sk_c6 ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_10) ).

thf(18,negated_conjecture,
    ( ( ( inverse @ sk_c1 )
      = sk_c7 )
    | ( ( multiply @ sk_c5 @ sk_c6 )
      = sk_c7 ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_9) ).

thf(19,negated_conjecture,
    ( ( ( multiply @ sk_c1 @ sk_c7 )
      = sk_c6 )
    | ( ( multiply @ sk_c4 @ sk_c5 )
      = sk_c6 ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_8) ).

thf(20,negated_conjecture,
    ( ( ( multiply @ sk_c1 @ sk_c7 )
      = sk_c6 )
    | ( ( inverse @ sk_c3 )
      = sk_c4 ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_7) ).

thf(21,negated_conjecture,
    ( ( ( multiply @ sk_c1 @ sk_c7 )
      = sk_c6 )
    | ( ( multiply @ sk_c3 @ sk_c4 )
      = sk_c6 ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_6) ).

thf(22,negated_conjecture,
    ( ( ( multiply @ sk_c1 @ sk_c7 )
      = sk_c6 )
    | ( ( multiply @ sk_c5 @ sk_c6 )
      = sk_c7 ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_5) ).

thf(23,negated_conjecture,
    ( ( ( multiply @ sk_c7 @ sk_c6 )
      = sk_c5 )
    | ( ( multiply @ sk_c4 @ sk_c5 )
      = sk_c6 ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_4) ).

thf(24,negated_conjecture,
    ( ( ( multiply @ sk_c7 @ sk_c6 )
      = sk_c5 )
    | ( ( inverse @ sk_c3 )
      = sk_c4 ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_3) ).

thf(25,negated_conjecture,
    ( ( ( multiply @ sk_c7 @ sk_c6 )
      = sk_c5 )
    | ( ( multiply @ sk_c3 @ sk_c4 )
      = sk_c6 ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_2) ).

thf(26,negated_conjecture,
    ( ( ( multiply @ sk_c7 @ sk_c6 )
      = sk_c5 )
    | ( ( multiply @ sk_c5 @ sk_c6 )
      = sk_c7 ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_1) ).

thf(27,plain,
    $false = $false,
    inference(unfold_def,[status(thm)],[5]) ).

thf(28,plain,
    ( ( ! [X: $i,Y: $i,Z: $i] :
          ( ( multiply @ ( multiply @ X @ Y ) @ Z )
          = ( multiply @ X @ ( multiply @ Y @ Z ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[1]) ).

thf(29,plain,
    ( ( ! [X: $i] :
          ( ( multiply @ ( inverse @ X ) @ X )
          = identity ) )
    = $true ),
    inference(unfold_def,[status(thm)],[2]) ).

thf(30,plain,
    ( ( ! [X: $i] :
          ( ( multiply @ identity @ X )
          = X ) )
    = $true ),
    inference(unfold_def,[status(thm)],[3]) ).

thf(31,plain,
    ( ( ! [X3: $i,X4: $i,X2: $i,X1: $i] :
          ( ( ( multiply @ sk_c7 @ sk_c6 )
           != sk_c5 )
          | ( ( multiply @ X3 @ sk_c7 )
           != sk_c6 )
          | ( ( inverse @ X3 )
           != sk_c7 )
          | ( ( multiply @ X4 @ sk_c5 )
           != sk_c6 )
          | ( ( inverse @ X4 )
           != sk_c5 )
          | ( ( multiply @ sk_c5 @ sk_c6 )
           != sk_c7 )
          | ( ( multiply @ X2 @ X1 )
           != sk_c6 )
          | ( ( inverse @ X2 )
           != X1 )
          | ( ( multiply @ X1 @ sk_c5 )
           != sk_c6 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[6]) ).

thf(32,plain,
    ( ( ( ( inverse @ sk_c2 )
        = sk_c5 )
      | ( ( multiply @ sk_c4 @ sk_c5 )
        = sk_c6 ) )
    = $true ),
    inference(unfold_def,[status(thm)],[7]) ).

thf(33,plain,
    ( ( ( ( inverse @ sk_c2 )
        = sk_c5 )
      | ( ( inverse @ sk_c3 )
        = sk_c4 ) )
    = $true ),
    inference(unfold_def,[status(thm)],[8]) ).

thf(34,plain,
    ( ( ( ( inverse @ sk_c2 )
        = sk_c5 )
      | ( ( multiply @ sk_c3 @ sk_c4 )
        = sk_c6 ) )
    = $true ),
    inference(unfold_def,[status(thm)],[9]) ).

thf(35,plain,
    ( ( ( ( inverse @ sk_c2 )
        = sk_c5 )
      | ( ( multiply @ sk_c5 @ sk_c6 )
        = sk_c7 ) )
    = $true ),
    inference(unfold_def,[status(thm)],[10]) ).

thf(36,plain,
    ( ( ( ( multiply @ sk_c2 @ sk_c5 )
        = sk_c6 )
      | ( ( multiply @ sk_c4 @ sk_c5 )
        = sk_c6 ) )
    = $true ),
    inference(unfold_def,[status(thm)],[11]) ).

thf(37,plain,
    ( ( ( ( multiply @ sk_c2 @ sk_c5 )
        = sk_c6 )
      | ( ( inverse @ sk_c3 )
        = sk_c4 ) )
    = $true ),
    inference(unfold_def,[status(thm)],[12]) ).

thf(38,plain,
    ( ( ( ( multiply @ sk_c2 @ sk_c5 )
        = sk_c6 )
      | ( ( multiply @ sk_c3 @ sk_c4 )
        = sk_c6 ) )
    = $true ),
    inference(unfold_def,[status(thm)],[13]) ).

thf(39,plain,
    ( ( ( ( multiply @ sk_c2 @ sk_c5 )
        = sk_c6 )
      | ( ( multiply @ sk_c5 @ sk_c6 )
        = sk_c7 ) )
    = $true ),
    inference(unfold_def,[status(thm)],[14]) ).

thf(40,plain,
    ( ( ( ( inverse @ sk_c1 )
        = sk_c7 )
      | ( ( multiply @ sk_c4 @ sk_c5 )
        = sk_c6 ) )
    = $true ),
    inference(unfold_def,[status(thm)],[15]) ).

thf(41,plain,
    ( ( ( ( inverse @ sk_c1 )
        = sk_c7 )
      | ( ( inverse @ sk_c3 )
        = sk_c4 ) )
    = $true ),
    inference(unfold_def,[status(thm)],[16]) ).

thf(42,plain,
    ( ( ( ( inverse @ sk_c1 )
        = sk_c7 )
      | ( ( multiply @ sk_c3 @ sk_c4 )
        = sk_c6 ) )
    = $true ),
    inference(unfold_def,[status(thm)],[17]) ).

thf(43,plain,
    ( ( ( ( inverse @ sk_c1 )
        = sk_c7 )
      | ( ( multiply @ sk_c5 @ sk_c6 )
        = sk_c7 ) )
    = $true ),
    inference(unfold_def,[status(thm)],[18]) ).

thf(44,plain,
    ( ( ( ( multiply @ sk_c1 @ sk_c7 )
        = sk_c6 )
      | ( ( multiply @ sk_c4 @ sk_c5 )
        = sk_c6 ) )
    = $true ),
    inference(unfold_def,[status(thm)],[19]) ).

thf(45,plain,
    ( ( ( ( multiply @ sk_c1 @ sk_c7 )
        = sk_c6 )
      | ( ( inverse @ sk_c3 )
        = sk_c4 ) )
    = $true ),
    inference(unfold_def,[status(thm)],[20]) ).

thf(46,plain,
    ( ( ( ( multiply @ sk_c1 @ sk_c7 )
        = sk_c6 )
      | ( ( multiply @ sk_c3 @ sk_c4 )
        = sk_c6 ) )
    = $true ),
    inference(unfold_def,[status(thm)],[21]) ).

thf(47,plain,
    ( ( ( ( multiply @ sk_c1 @ sk_c7 )
        = sk_c6 )
      | ( ( multiply @ sk_c5 @ sk_c6 )
        = sk_c7 ) )
    = $true ),
    inference(unfold_def,[status(thm)],[22]) ).

thf(48,plain,
    ( ( ( ( multiply @ sk_c7 @ sk_c6 )
        = sk_c5 )
      | ( ( multiply @ sk_c4 @ sk_c5 )
        = sk_c6 ) )
    = $true ),
    inference(unfold_def,[status(thm)],[23]) ).

thf(49,plain,
    ( ( ( ( multiply @ sk_c7 @ sk_c6 )
        = sk_c5 )
      | ( ( inverse @ sk_c3 )
        = sk_c4 ) )
    = $true ),
    inference(unfold_def,[status(thm)],[24]) ).

thf(50,plain,
    ( ( ( ( multiply @ sk_c7 @ sk_c6 )
        = sk_c5 )
      | ( ( multiply @ sk_c3 @ sk_c4 )
        = sk_c6 ) )
    = $true ),
    inference(unfold_def,[status(thm)],[25]) ).

thf(51,plain,
    ( ( ( ( multiply @ sk_c7 @ sk_c6 )
        = sk_c5 )
      | ( ( multiply @ sk_c5 @ sk_c6 )
        = sk_c7 ) )
    = $true ),
    inference(unfold_def,[status(thm)],[26]) ).

thf(52,plain,
    ( ( ~ $false )
    = $true ),
    inference(polarity_switch,[status(thm)],[27]) ).

thf(53,plain,
    ( ( ! [X3: $i,X4: $i] :
          ( ( ( multiply @ sk_c7 @ sk_c6 )
           != sk_c5 )
          | ( ( multiply @ X3 @ sk_c7 )
           != sk_c6 )
          | ( ( inverse @ X3 )
           != sk_c7 )
          | ( ( multiply @ X4 @ sk_c5 )
           != sk_c6 )
          | ( ( inverse @ X4 )
           != sk_c5 )
          | ( ( multiply @ sk_c5 @ sk_c6 )
           != sk_c7 )
          | ! [X2: $i,X1: $i] :
              ( ( ( multiply @ X2 @ X1 )
               != sk_c6 )
              | ( ( inverse @ X2 )
               != X1 )
              | ( ( multiply @ X1 @ sk_c5 )
               != sk_c6 ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[31]) ).

thf(54,plain,
    ( ( ( ( multiply @ sk_c7 @ sk_c6 )
        = sk_c5 )
      | ( ( multiply @ sk_c5 @ sk_c6 )
        = sk_c7 ) )
    = $true ),
    inference(copy,[status(thm)],[51]) ).

thf(55,plain,
    ( ( ( ( multiply @ sk_c7 @ sk_c6 )
        = sk_c5 )
      | ( ( multiply @ sk_c3 @ sk_c4 )
        = sk_c6 ) )
    = $true ),
    inference(copy,[status(thm)],[50]) ).

thf(56,plain,
    ( ( ( ( multiply @ sk_c7 @ sk_c6 )
        = sk_c5 )
      | ( ( inverse @ sk_c3 )
        = sk_c4 ) )
    = $true ),
    inference(copy,[status(thm)],[49]) ).

thf(57,plain,
    ( ( ( ( multiply @ sk_c7 @ sk_c6 )
        = sk_c5 )
      | ( ( multiply @ sk_c4 @ sk_c5 )
        = sk_c6 ) )
    = $true ),
    inference(copy,[status(thm)],[48]) ).

thf(58,plain,
    ( ( ( ( multiply @ sk_c1 @ sk_c7 )
        = sk_c6 )
      | ( ( multiply @ sk_c5 @ sk_c6 )
        = sk_c7 ) )
    = $true ),
    inference(copy,[status(thm)],[47]) ).

thf(59,plain,
    ( ( ( ( multiply @ sk_c1 @ sk_c7 )
        = sk_c6 )
      | ( ( multiply @ sk_c3 @ sk_c4 )
        = sk_c6 ) )
    = $true ),
    inference(copy,[status(thm)],[46]) ).

thf(60,plain,
    ( ( ( ( multiply @ sk_c1 @ sk_c7 )
        = sk_c6 )
      | ( ( inverse @ sk_c3 )
        = sk_c4 ) )
    = $true ),
    inference(copy,[status(thm)],[45]) ).

thf(61,plain,
    ( ( ( ( multiply @ sk_c1 @ sk_c7 )
        = sk_c6 )
      | ( ( multiply @ sk_c4 @ sk_c5 )
        = sk_c6 ) )
    = $true ),
    inference(copy,[status(thm)],[44]) ).

thf(62,plain,
    ( ( ( ( inverse @ sk_c1 )
        = sk_c7 )
      | ( ( multiply @ sk_c5 @ sk_c6 )
        = sk_c7 ) )
    = $true ),
    inference(copy,[status(thm)],[43]) ).

thf(63,plain,
    ( ( ( ( inverse @ sk_c1 )
        = sk_c7 )
      | ( ( multiply @ sk_c3 @ sk_c4 )
        = sk_c6 ) )
    = $true ),
    inference(copy,[status(thm)],[42]) ).

thf(64,plain,
    ( ( ( ( inverse @ sk_c1 )
        = sk_c7 )
      | ( ( inverse @ sk_c3 )
        = sk_c4 ) )
    = $true ),
    inference(copy,[status(thm)],[41]) ).

thf(65,plain,
    ( ( ( ( inverse @ sk_c1 )
        = sk_c7 )
      | ( ( multiply @ sk_c4 @ sk_c5 )
        = sk_c6 ) )
    = $true ),
    inference(copy,[status(thm)],[40]) ).

thf(66,plain,
    ( ( ( ( multiply @ sk_c2 @ sk_c5 )
        = sk_c6 )
      | ( ( multiply @ sk_c5 @ sk_c6 )
        = sk_c7 ) )
    = $true ),
    inference(copy,[status(thm)],[39]) ).

thf(67,plain,
    ( ( ( ( multiply @ sk_c2 @ sk_c5 )
        = sk_c6 )
      | ( ( multiply @ sk_c3 @ sk_c4 )
        = sk_c6 ) )
    = $true ),
    inference(copy,[status(thm)],[38]) ).

thf(68,plain,
    ( ( ( ( multiply @ sk_c2 @ sk_c5 )
        = sk_c6 )
      | ( ( inverse @ sk_c3 )
        = sk_c4 ) )
    = $true ),
    inference(copy,[status(thm)],[37]) ).

thf(69,plain,
    ( ( ( ( multiply @ sk_c2 @ sk_c5 )
        = sk_c6 )
      | ( ( multiply @ sk_c4 @ sk_c5 )
        = sk_c6 ) )
    = $true ),
    inference(copy,[status(thm)],[36]) ).

thf(70,plain,
    ( ( ( ( inverse @ sk_c2 )
        = sk_c5 )
      | ( ( multiply @ sk_c5 @ sk_c6 )
        = sk_c7 ) )
    = $true ),
    inference(copy,[status(thm)],[35]) ).

thf(71,plain,
    ( ( ( ( inverse @ sk_c2 )
        = sk_c5 )
      | ( ( multiply @ sk_c3 @ sk_c4 )
        = sk_c6 ) )
    = $true ),
    inference(copy,[status(thm)],[34]) ).

thf(72,plain,
    ( ( ( ( inverse @ sk_c2 )
        = sk_c5 )
      | ( ( inverse @ sk_c3 )
        = sk_c4 ) )
    = $true ),
    inference(copy,[status(thm)],[33]) ).

thf(73,plain,
    ( ( ( ( inverse @ sk_c2 )
        = sk_c5 )
      | ( ( multiply @ sk_c4 @ sk_c5 )
        = sk_c6 ) )
    = $true ),
    inference(copy,[status(thm)],[32]) ).

thf(74,plain,
    ( ( ! [X3: $i,X4: $i] :
          ( ( ( multiply @ sk_c7 @ sk_c6 )
           != sk_c5 )
          | ( ( multiply @ X3 @ sk_c7 )
           != sk_c6 )
          | ( ( inverse @ X3 )
           != sk_c7 )
          | ( ( multiply @ X4 @ sk_c5 )
           != sk_c6 )
          | ( ( inverse @ X4 )
           != sk_c5 )
          | ( ( multiply @ sk_c5 @ sk_c6 )
           != sk_c7 )
          | ! [X2: $i,X1: $i] :
              ( ( ( multiply @ X2 @ X1 )
               != sk_c6 )
              | ( ( inverse @ X2 )
               != X1 )
              | ( ( multiply @ X1 @ sk_c5 )
               != sk_c6 ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[53]) ).

thf(75,plain,
    ( ( ! [X: $i] :
          ( ( multiply @ identity @ X )
          = X ) )
    = $true ),
    inference(copy,[status(thm)],[30]) ).

thf(76,plain,
    ( ( ! [X: $i] :
          ( ( multiply @ ( inverse @ X ) @ X )
          = identity ) )
    = $true ),
    inference(copy,[status(thm)],[29]) ).

thf(77,plain,
    ( ( ! [X: $i,Y: $i,Z: $i] :
          ( ( multiply @ ( multiply @ X @ Y ) @ Z )
          = ( multiply @ X @ ( multiply @ Y @ Z ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[28]) ).

thf(78,plain,
    ( ( ~ $false )
    = $true ),
    inference(copy,[status(thm)],[52]) ).

thf(79,plain,
    ( ( ( ( multiply @ sk_c7 @ sk_c6 )
        = sk_c5 )
      = $true )
    | ( ( ( multiply @ sk_c5 @ sk_c6 )
        = sk_c7 )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[54]) ).

thf(80,plain,
    ( ( ( ( multiply @ sk_c7 @ sk_c6 )
        = sk_c5 )
      = $true )
    | ( ( ( multiply @ sk_c3 @ sk_c4 )
        = sk_c6 )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[55]) ).

thf(81,plain,
    ( ( ( ( multiply @ sk_c7 @ sk_c6 )
        = sk_c5 )
      = $true )
    | ( ( ( inverse @ sk_c3 )
        = sk_c4 )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[56]) ).

thf(82,plain,
    ( ( ( ( multiply @ sk_c7 @ sk_c6 )
        = sk_c5 )
      = $true )
    | ( ( ( multiply @ sk_c4 @ sk_c5 )
        = sk_c6 )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[57]) ).

thf(83,plain,
    ( ( ( ( multiply @ sk_c1 @ sk_c7 )
        = sk_c6 )
      = $true )
    | ( ( ( multiply @ sk_c5 @ sk_c6 )
        = sk_c7 )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[58]) ).

thf(84,plain,
    ( ( ( ( multiply @ sk_c1 @ sk_c7 )
        = sk_c6 )
      = $true )
    | ( ( ( multiply @ sk_c3 @ sk_c4 )
        = sk_c6 )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[59]) ).

thf(85,plain,
    ( ( ( ( multiply @ sk_c1 @ sk_c7 )
        = sk_c6 )
      = $true )
    | ( ( ( inverse @ sk_c3 )
        = sk_c4 )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[60]) ).

thf(86,plain,
    ( ( ( ( multiply @ sk_c1 @ sk_c7 )
        = sk_c6 )
      = $true )
    | ( ( ( multiply @ sk_c4 @ sk_c5 )
        = sk_c6 )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[61]) ).

thf(87,plain,
    ( ( ( ( inverse @ sk_c1 )
        = sk_c7 )
      = $true )
    | ( ( ( multiply @ sk_c5 @ sk_c6 )
        = sk_c7 )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[62]) ).

thf(88,plain,
    ( ( ( ( inverse @ sk_c1 )
        = sk_c7 )
      = $true )
    | ( ( ( multiply @ sk_c3 @ sk_c4 )
        = sk_c6 )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[63]) ).

thf(89,plain,
    ( ( ( ( inverse @ sk_c1 )
        = sk_c7 )
      = $true )
    | ( ( ( inverse @ sk_c3 )
        = sk_c4 )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[64]) ).

thf(90,plain,
    ( ( ( ( inverse @ sk_c1 )
        = sk_c7 )
      = $true )
    | ( ( ( multiply @ sk_c4 @ sk_c5 )
        = sk_c6 )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[65]) ).

thf(91,plain,
    ( ( ( ( multiply @ sk_c2 @ sk_c5 )
        = sk_c6 )
      = $true )
    | ( ( ( multiply @ sk_c5 @ sk_c6 )
        = sk_c7 )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[66]) ).

thf(92,plain,
    ( ( ( ( multiply @ sk_c2 @ sk_c5 )
        = sk_c6 )
      = $true )
    | ( ( ( multiply @ sk_c3 @ sk_c4 )
        = sk_c6 )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[67]) ).

thf(93,plain,
    ( ( ( ( multiply @ sk_c2 @ sk_c5 )
        = sk_c6 )
      = $true )
    | ( ( ( inverse @ sk_c3 )
        = sk_c4 )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[68]) ).

thf(94,plain,
    ( ( ( ( multiply @ sk_c2 @ sk_c5 )
        = sk_c6 )
      = $true )
    | ( ( ( multiply @ sk_c4 @ sk_c5 )
        = sk_c6 )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[69]) ).

thf(95,plain,
    ( ( ( ( inverse @ sk_c2 )
        = sk_c5 )
      = $true )
    | ( ( ( multiply @ sk_c5 @ sk_c6 )
        = sk_c7 )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[70]) ).

thf(96,plain,
    ( ( ( ( inverse @ sk_c2 )
        = sk_c5 )
      = $true )
    | ( ( ( multiply @ sk_c3 @ sk_c4 )
        = sk_c6 )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[71]) ).

thf(97,plain,
    ( ( ( ( inverse @ sk_c2 )
        = sk_c5 )
      = $true )
    | ( ( ( inverse @ sk_c3 )
        = sk_c4 )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[72]) ).

thf(98,plain,
    ( ( ( ( inverse @ sk_c2 )
        = sk_c5 )
      = $true )
    | ( ( ( multiply @ sk_c4 @ sk_c5 )
        = sk_c6 )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[73]) ).

thf(99,plain,
    ! [SV1: $i] :
      ( ( ! [SY9: $i] :
            ( ( ( multiply @ sk_c7 @ sk_c6 )
             != sk_c5 )
            | ( ( multiply @ SV1 @ sk_c7 )
             != sk_c6 )
            | ( ( inverse @ SV1 )
             != sk_c7 )
            | ( ( multiply @ SY9 @ sk_c5 )
             != sk_c6 )
            | ( ( inverse @ SY9 )
             != sk_c5 )
            | ( ( multiply @ sk_c5 @ sk_c6 )
             != sk_c7 )
            | ! [X2: $i,X1: $i] :
                ( ( ( multiply @ X2 @ X1 )
                 != sk_c6 )
                | ( ( inverse @ X2 )
                 != X1 )
                | ( ( multiply @ X1 @ sk_c5 )
                 != sk_c6 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[74]) ).

thf(100,plain,
    ! [SV2: $i] :
      ( ( ( multiply @ identity @ SV2 )
        = SV2 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[75]) ).

thf(101,plain,
    ! [SV3: $i] :
      ( ( ( multiply @ ( inverse @ SV3 ) @ SV3 )
        = identity )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[76]) ).

thf(102,plain,
    ! [SV4: $i] :
      ( ( ! [SY12: $i,SY13: $i] :
            ( ( multiply @ ( multiply @ SV4 @ SY12 ) @ SY13 )
            = ( multiply @ SV4 @ ( multiply @ SY12 @ SY13 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[77]) ).

thf(103,plain,
    $false = $false,
    inference(extcnf_not_pos,[status(thm)],[78]) ).

thf(104,plain,
    ! [SV5: $i,SV1: $i] :
      ( ( ( ( multiply @ sk_c7 @ sk_c6 )
         != sk_c5 )
        | ( ( multiply @ SV1 @ sk_c7 )
         != sk_c6 )
        | ( ( inverse @ SV1 )
         != sk_c7 )
        | ( ( multiply @ SV5 @ sk_c5 )
         != sk_c6 )
        | ( ( inverse @ SV5 )
         != sk_c5 )
        | ( ( multiply @ sk_c5 @ sk_c6 )
         != sk_c7 )
        | ! [X2: $i,X1: $i] :
            ( ( ( multiply @ X2 @ X1 )
             != sk_c6 )
            | ( ( inverse @ X2 )
             != X1 )
            | ( ( multiply @ X1 @ sk_c5 )
             != sk_c6 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[99]) ).

thf(105,plain,
    ! [SV6: $i,SV4: $i] :
      ( ( ! [SY16: $i] :
            ( ( multiply @ ( multiply @ SV4 @ SV6 ) @ SY16 )
            = ( multiply @ SV4 @ ( multiply @ SV6 @ SY16 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[102]) ).

thf(106,plain,
    ! [SV5: $i,SV1: $i] :
      ( ( ( ( ( multiply @ sk_c7 @ sk_c6 )
           != sk_c5 ) )
        = $true )
      | ( ( ( ( multiply @ SV1 @ sk_c7 )
           != sk_c6 )
          | ( ( inverse @ SV1 )
           != sk_c7 )
          | ( ( multiply @ SV5 @ sk_c5 )
           != sk_c6 )
          | ( ( inverse @ SV5 )
           != sk_c5 )
          | ( ( multiply @ sk_c5 @ sk_c6 )
           != sk_c7 )
          | ! [X2: $i,X1: $i] :
              ( ( ( multiply @ X2 @ X1 )
               != sk_c6 )
              | ( ( inverse @ X2 )
               != X1 )
              | ( ( multiply @ X1 @ sk_c5 )
               != sk_c6 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[104]) ).

thf(107,plain,
    ! [SV7: $i,SV6: $i,SV4: $i] :
      ( ( ( multiply @ ( multiply @ SV4 @ SV6 ) @ SV7 )
        = ( multiply @ SV4 @ ( multiply @ SV6 @ SV7 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[105]) ).

thf(108,plain,
    ! [SV5: $i,SV1: $i] :
      ( ( ( ( multiply @ sk_c7 @ sk_c6 )
          = sk_c5 )
        = $false )
      | ( ( ( ( multiply @ SV1 @ sk_c7 )
           != sk_c6 )
          | ( ( inverse @ SV1 )
           != sk_c7 )
          | ( ( multiply @ SV5 @ sk_c5 )
           != sk_c6 )
          | ( ( inverse @ SV5 )
           != sk_c5 )
          | ( ( multiply @ sk_c5 @ sk_c6 )
           != sk_c7 )
          | ! [X2: $i,X1: $i] :
              ( ( ( multiply @ X2 @ X1 )
               != sk_c6 )
              | ( ( inverse @ X2 )
               != X1 )
              | ( ( multiply @ X1 @ sk_c5 )
               != sk_c6 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[106]) ).

thf(109,plain,
    ! [SV5: $i,SV1: $i] :
      ( ( ( ( ( multiply @ SV1 @ sk_c7 )
           != sk_c6 ) )
        = $true )
      | ( ( ( ( inverse @ SV1 )
           != sk_c7 )
          | ( ( multiply @ SV5 @ sk_c5 )
           != sk_c6 )
          | ( ( inverse @ SV5 )
           != sk_c5 )
          | ( ( multiply @ sk_c5 @ sk_c6 )
           != sk_c7 )
          | ! [X2: $i,X1: $i] :
              ( ( ( multiply @ X2 @ X1 )
               != sk_c6 )
              | ( ( inverse @ X2 )
               != X1 )
              | ( ( multiply @ X1 @ sk_c5 )
               != sk_c6 ) ) )
        = $true )
      | ( ( ( multiply @ sk_c7 @ sk_c6 )
          = sk_c5 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[108]) ).

thf(110,plain,
    ! [SV5: $i,SV1: $i] :
      ( ( ( ( multiply @ SV1 @ sk_c7 )
          = sk_c6 )
        = $false )
      | ( ( ( ( inverse @ SV1 )
           != sk_c7 )
          | ( ( multiply @ SV5 @ sk_c5 )
           != sk_c6 )
          | ( ( inverse @ SV5 )
           != sk_c5 )
          | ( ( multiply @ sk_c5 @ sk_c6 )
           != sk_c7 )
          | ! [X2: $i,X1: $i] :
              ( ( ( multiply @ X2 @ X1 )
               != sk_c6 )
              | ( ( inverse @ X2 )
               != X1 )
              | ( ( multiply @ X1 @ sk_c5 )
               != sk_c6 ) ) )
        = $true )
      | ( ( ( multiply @ sk_c7 @ sk_c6 )
          = sk_c5 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[109]) ).

thf(111,plain,
    ! [SV5: $i,SV1: $i] :
      ( ( ( ( ( inverse @ SV1 )
           != sk_c7 ) )
        = $true )
      | ( ( ( ( multiply @ SV5 @ sk_c5 )
           != sk_c6 )
          | ( ( inverse @ SV5 )
           != sk_c5 )
          | ( ( multiply @ sk_c5 @ sk_c6 )
           != sk_c7 )
          | ! [X2: $i,X1: $i] :
              ( ( ( multiply @ X2 @ X1 )
               != sk_c6 )
              | ( ( inverse @ X2 )
               != X1 )
              | ( ( multiply @ X1 @ sk_c5 )
               != sk_c6 ) ) )
        = $true )
      | ( ( ( multiply @ SV1 @ sk_c7 )
          = sk_c6 )
        = $false )
      | ( ( ( multiply @ sk_c7 @ sk_c6 )
          = sk_c5 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[110]) ).

thf(112,plain,
    ! [SV5: $i,SV1: $i] :
      ( ( ( ( inverse @ SV1 )
          = sk_c7 )
        = $false )
      | ( ( ( ( multiply @ SV5 @ sk_c5 )
           != sk_c6 )
          | ( ( inverse @ SV5 )
           != sk_c5 )
          | ( ( multiply @ sk_c5 @ sk_c6 )
           != sk_c7 )
          | ! [X2: $i,X1: $i] :
              ( ( ( multiply @ X2 @ X1 )
               != sk_c6 )
              | ( ( inverse @ X2 )
               != X1 )
              | ( ( multiply @ X1 @ sk_c5 )
               != sk_c6 ) ) )
        = $true )
      | ( ( ( multiply @ SV1 @ sk_c7 )
          = sk_c6 )
        = $false )
      | ( ( ( multiply @ sk_c7 @ sk_c6 )
          = sk_c5 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[111]) ).

thf(113,plain,
    ! [SV1: $i,SV5: $i] :
      ( ( ( ( ( multiply @ SV5 @ sk_c5 )
           != sk_c6 ) )
        = $true )
      | ( ( ( ( inverse @ SV5 )
           != sk_c5 )
          | ( ( multiply @ sk_c5 @ sk_c6 )
           != sk_c7 )
          | ! [X2: $i,X1: $i] :
              ( ( ( multiply @ X2 @ X1 )
               != sk_c6 )
              | ( ( inverse @ X2 )
               != X1 )
              | ( ( multiply @ X1 @ sk_c5 )
               != sk_c6 ) ) )
        = $true )
      | ( ( ( inverse @ SV1 )
          = sk_c7 )
        = $false )
      | ( ( ( multiply @ SV1 @ sk_c7 )
          = sk_c6 )
        = $false )
      | ( ( ( multiply @ sk_c7 @ sk_c6 )
          = sk_c5 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[112]) ).

thf(114,plain,
    ! [SV1: $i,SV5: $i] :
      ( ( ( ( multiply @ SV5 @ sk_c5 )
          = sk_c6 )
        = $false )
      | ( ( ( ( inverse @ SV5 )
           != sk_c5 )
          | ( ( multiply @ sk_c5 @ sk_c6 )
           != sk_c7 )
          | ! [X2: $i,X1: $i] :
              ( ( ( multiply @ X2 @ X1 )
               != sk_c6 )
              | ( ( inverse @ X2 )
               != X1 )
              | ( ( multiply @ X1 @ sk_c5 )
               != sk_c6 ) ) )
        = $true )
      | ( ( ( inverse @ SV1 )
          = sk_c7 )
        = $false )
      | ( ( ( multiply @ SV1 @ sk_c7 )
          = sk_c6 )
        = $false )
      | ( ( ( multiply @ sk_c7 @ sk_c6 )
          = sk_c5 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[113]) ).

thf(115,plain,
    ! [SV1: $i,SV5: $i] :
      ( ( ( ( ( inverse @ SV5 )
           != sk_c5 ) )
        = $true )
      | ( ( ( ( multiply @ sk_c5 @ sk_c6 )
           != sk_c7 )
          | ! [X2: $i,X1: $i] :
              ( ( ( multiply @ X2 @ X1 )
               != sk_c6 )
              | ( ( inverse @ X2 )
               != X1 )
              | ( ( multiply @ X1 @ sk_c5 )
               != sk_c6 ) ) )
        = $true )
      | ( ( ( multiply @ SV5 @ sk_c5 )
          = sk_c6 )
        = $false )
      | ( ( ( inverse @ SV1 )
          = sk_c7 )
        = $false )
      | ( ( ( multiply @ SV1 @ sk_c7 )
          = sk_c6 )
        = $false )
      | ( ( ( multiply @ sk_c7 @ sk_c6 )
          = sk_c5 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[114]) ).

thf(116,plain,
    ! [SV1: $i,SV5: $i] :
      ( ( ( ( inverse @ SV5 )
          = sk_c5 )
        = $false )
      | ( ( ( ( multiply @ sk_c5 @ sk_c6 )
           != sk_c7 )
          | ! [X2: $i,X1: $i] :
              ( ( ( multiply @ X2 @ X1 )
               != sk_c6 )
              | ( ( inverse @ X2 )
               != X1 )
              | ( ( multiply @ X1 @ sk_c5 )
               != sk_c6 ) ) )
        = $true )
      | ( ( ( multiply @ SV5 @ sk_c5 )
          = sk_c6 )
        = $false )
      | ( ( ( inverse @ SV1 )
          = sk_c7 )
        = $false )
      | ( ( ( multiply @ SV1 @ sk_c7 )
          = sk_c6 )
        = $false )
      | ( ( ( multiply @ sk_c7 @ sk_c6 )
          = sk_c5 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[115]) ).

thf(117,plain,
    ! [SV1: $i,SV5: $i] :
      ( ( ( ( ( multiply @ sk_c5 @ sk_c6 )
           != sk_c7 ) )
        = $true )
      | ( ( ! [X2: $i,X1: $i] :
              ( ( ( multiply @ X2 @ X1 )
               != sk_c6 )
              | ( ( inverse @ X2 )
               != X1 )
              | ( ( multiply @ X1 @ sk_c5 )
               != sk_c6 ) ) )
        = $true )
      | ( ( ( inverse @ SV5 )
          = sk_c5 )
        = $false )
      | ( ( ( multiply @ SV5 @ sk_c5 )
          = sk_c6 )
        = $false )
      | ( ( ( inverse @ SV1 )
          = sk_c7 )
        = $false )
      | ( ( ( multiply @ SV1 @ sk_c7 )
          = sk_c6 )
        = $false )
      | ( ( ( multiply @ sk_c7 @ sk_c6 )
          = sk_c5 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[116]) ).

thf(118,plain,
    ! [SV1: $i,SV5: $i] :
      ( ( ( ( multiply @ sk_c5 @ sk_c6 )
          = sk_c7 )
        = $false )
      | ( ( ! [X2: $i,X1: $i] :
              ( ( ( multiply @ X2 @ X1 )
               != sk_c6 )
              | ( ( inverse @ X2 )
               != X1 )
              | ( ( multiply @ X1 @ sk_c5 )
               != sk_c6 ) ) )
        = $true )
      | ( ( ( inverse @ SV5 )
          = sk_c5 )
        = $false )
      | ( ( ( multiply @ SV5 @ sk_c5 )
          = sk_c6 )
        = $false )
      | ( ( ( inverse @ SV1 )
          = sk_c7 )
        = $false )
      | ( ( ( multiply @ SV1 @ sk_c7 )
          = sk_c6 )
        = $false )
      | ( ( ( multiply @ sk_c7 @ sk_c6 )
          = sk_c5 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[117]) ).

thf(119,plain,
    ! [SV1: $i,SV5: $i,SV8: $i] :
      ( ( ( ! [SY17: $i] :
              ( ( ( multiply @ SV8 @ SY17 )
               != sk_c6 )
              | ( ( inverse @ SV8 )
               != SY17 )
              | ( ( multiply @ SY17 @ sk_c5 )
               != sk_c6 ) ) )
        = $true )
      | ( ( ( multiply @ sk_c5 @ sk_c6 )
          = sk_c7 )
        = $false )
      | ( ( ( inverse @ SV5 )
          = sk_c5 )
        = $false )
      | ( ( ( multiply @ SV5 @ sk_c5 )
          = sk_c6 )
        = $false )
      | ( ( ( inverse @ SV1 )
          = sk_c7 )
        = $false )
      | ( ( ( multiply @ SV1 @ sk_c7 )
          = sk_c6 )
        = $false )
      | ( ( ( multiply @ sk_c7 @ sk_c6 )
          = sk_c5 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[118]) ).

thf(120,plain,
    ! [SV1: $i,SV5: $i,SV9: $i,SV8: $i] :
      ( ( ( ( ( multiply @ SV8 @ SV9 )
           != sk_c6 )
          | ( ( inverse @ SV8 )
           != SV9 )
          | ( ( multiply @ SV9 @ sk_c5 )
           != sk_c6 ) )
        = $true )
      | ( ( ( multiply @ sk_c5 @ sk_c6 )
          = sk_c7 )
        = $false )
      | ( ( ( inverse @ SV5 )
          = sk_c5 )
        = $false )
      | ( ( ( multiply @ SV5 @ sk_c5 )
          = sk_c6 )
        = $false )
      | ( ( ( inverse @ SV1 )
          = sk_c7 )
        = $false )
      | ( ( ( multiply @ SV1 @ sk_c7 )
          = sk_c6 )
        = $false )
      | ( ( ( multiply @ sk_c7 @ sk_c6 )
          = sk_c5 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[119]) ).

thf(121,plain,
    ! [SV1: $i,SV5: $i,SV9: $i,SV8: $i] :
      ( ( ( ( ( multiply @ SV8 @ SV9 )
           != sk_c6 ) )
        = $true )
      | ( ( ( ( inverse @ SV8 )
           != SV9 )
          | ( ( multiply @ SV9 @ sk_c5 )
           != sk_c6 ) )
        = $true )
      | ( ( ( multiply @ sk_c5 @ sk_c6 )
          = sk_c7 )
        = $false )
      | ( ( ( inverse @ SV5 )
          = sk_c5 )
        = $false )
      | ( ( ( multiply @ SV5 @ sk_c5 )
          = sk_c6 )
        = $false )
      | ( ( ( inverse @ SV1 )
          = sk_c7 )
        = $false )
      | ( ( ( multiply @ SV1 @ sk_c7 )
          = sk_c6 )
        = $false )
      | ( ( ( multiply @ sk_c7 @ sk_c6 )
          = sk_c5 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[120]) ).

thf(122,plain,
    ! [SV1: $i,SV5: $i,SV9: $i,SV8: $i] :
      ( ( ( ( multiply @ SV8 @ SV9 )
          = sk_c6 )
        = $false )
      | ( ( ( ( inverse @ SV8 )
           != SV9 )
          | ( ( multiply @ SV9 @ sk_c5 )
           != sk_c6 ) )
        = $true )
      | ( ( ( multiply @ sk_c5 @ sk_c6 )
          = sk_c7 )
        = $false )
      | ( ( ( inverse @ SV5 )
          = sk_c5 )
        = $false )
      | ( ( ( multiply @ SV5 @ sk_c5 )
          = sk_c6 )
        = $false )
      | ( ( ( inverse @ SV1 )
          = sk_c7 )
        = $false )
      | ( ( ( multiply @ SV1 @ sk_c7 )
          = sk_c6 )
        = $false )
      | ( ( ( multiply @ sk_c7 @ sk_c6 )
          = sk_c5 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[121]) ).

thf(123,plain,
    ! [SV1: $i,SV5: $i,SV9: $i,SV8: $i] :
      ( ( ( ( ( inverse @ SV8 )
           != SV9 ) )
        = $true )
      | ( ( ( ( multiply @ SV9 @ sk_c5 )
           != sk_c6 ) )
        = $true )
      | ( ( ( multiply @ SV8 @ SV9 )
          = sk_c6 )
        = $false )
      | ( ( ( multiply @ sk_c5 @ sk_c6 )
          = sk_c7 )
        = $false )
      | ( ( ( inverse @ SV5 )
          = sk_c5 )
        = $false )
      | ( ( ( multiply @ SV5 @ sk_c5 )
          = sk_c6 )
        = $false )
      | ( ( ( inverse @ SV1 )
          = sk_c7 )
        = $false )
      | ( ( ( multiply @ SV1 @ sk_c7 )
          = sk_c6 )
        = $false )
      | ( ( ( multiply @ sk_c7 @ sk_c6 )
          = sk_c5 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[122]) ).

thf(124,plain,
    ! [SV1: $i,SV5: $i,SV9: $i,SV8: $i] :
      ( ( ( ( inverse @ SV8 )
          = SV9 )
        = $false )
      | ( ( ( ( multiply @ SV9 @ sk_c5 )
           != sk_c6 ) )
        = $true )
      | ( ( ( multiply @ SV8 @ SV9 )
          = sk_c6 )
        = $false )
      | ( ( ( multiply @ sk_c5 @ sk_c6 )
          = sk_c7 )
        = $false )
      | ( ( ( inverse @ SV5 )
          = sk_c5 )
        = $false )
      | ( ( ( multiply @ SV5 @ sk_c5 )
          = sk_c6 )
        = $false )
      | ( ( ( inverse @ SV1 )
          = sk_c7 )
        = $false )
      | ( ( ( multiply @ SV1 @ sk_c7 )
          = sk_c6 )
        = $false )
      | ( ( ( multiply @ sk_c7 @ sk_c6 )
          = sk_c5 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[123]) ).

thf(125,plain,
    ! [SV1: $i,SV5: $i,SV8: $i,SV9: $i] :
      ( ( ( ( multiply @ SV9 @ sk_c5 )
          = sk_c6 )
        = $false )
      | ( ( ( inverse @ SV8 )
          = SV9 )
        = $false )
      | ( ( ( multiply @ SV8 @ SV9 )
          = sk_c6 )
        = $false )
      | ( ( ( multiply @ sk_c5 @ sk_c6 )
          = sk_c7 )
        = $false )
      | ( ( ( inverse @ SV5 )
          = sk_c5 )
        = $false )
      | ( ( ( multiply @ SV5 @ sk_c5 )
          = sk_c6 )
        = $false )
      | ( ( ( inverse @ SV1 )
          = sk_c7 )
        = $false )
      | ( ( ( multiply @ SV1 @ sk_c7 )
          = sk_c6 )
        = $false )
      | ( ( ( multiply @ sk_c7 @ sk_c6 )
          = sk_c5 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[124]) ).

thf(126,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[79,125,107,103,101,100,98,97,96,95,94,93,92,91,90,89,88,87,86,85,84,83,82,81,80]) ).

thf(127,plain,
    $false,
    inference(solved_all_splits,[solved_all_splits(join,[])],[126]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : GRP292-1 : TPTP v8.1.0. Released v2.5.0.
% 0.07/0.12  % Command  : leo --timeout %d --proofoutput 1 --foatp e --atp e=./eprover %s
% 0.12/0.33  % Computer : n015.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 600
% 0.12/0.33  % DateTime : Tue Jun 14 10:47:39 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.12/0.35  
% 0.12/0.35   No.of.Axioms: 24
% 0.12/0.35  
% 0.12/0.35   Length.of.Defs: 0
% 0.12/0.35  
% 0.12/0.35   Contains.Choice.Funs: false
% 0.12/0.36  (rf:0,axioms:24,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:26,loop_count:0,foatp_calls:0,translation:fof_full).....
% 0.45/0.64  
% 0.45/0.64  ********************************
% 0.45/0.64  *   All subproblems solved!    *
% 0.45/0.64  ********************************
% 0.45/0.64  % SZS status Unsatisfiable for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:0,axioms:24,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:126,loop_count:0,foatp_calls:1,translation:fof_full)
% 0.45/0.65  
% 0.45/0.65  %**** Beginning of derivation protocol ****
% 0.45/0.65  % SZS output start CNFRefutation
% See solution above
% 0.45/0.65  
% 0.45/0.65  %**** End of derivation protocol ****
% 0.45/0.65  %**** no. of clauses in derivation: 127 ****
% 0.45/0.65  %**** clause counter: 126 ****
% 0.45/0.65  
% 0.45/0.65  % SZS status Unsatisfiable for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:0,axioms:24,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:126,loop_count:0,foatp_calls:1,translation:fof_full)
%------------------------------------------------------------------------------