TSTP Solution File: SWC273+1 by Drodi---3.6.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.6.0
% Problem  : SWC273+1 : TPTP v8.1.2. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n009.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 : Tue Apr 30 20:45:10 EDT 2024

% Result   : Theorem 23.83s 3.32s
% Output   : CNFRefutation 23.91s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :   23
% Syntax   : Number of formulae    :  106 (  17 unt;   0 def)
%            Number of atoms       :  401 (  44 equ)
%            Maximal formula atoms :   17 (   3 avg)
%            Number of connectives :  464 ( 169   ~; 179   |;  71   &)
%                                         (  21 <=>;  24  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   20 (   5 avg)
%            Maximal term depth    :    5 (   1 avg)
%            Number of predicates  :   25 (  23 usr;  16 prp; 0-2 aty)
%            Number of functors    :   19 (  19 usr;   7 con; 0-2 aty)
%            Number of variables   :  113 (  91   !;  22   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f2,axiom,
    ? [U] :
      ( ssItem(U)
      & ? [V] :
          ( ssItem(V)
          & U != V ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f11,axiom,
    ! [U] :
      ( ssList(U)
     => ( totalorderedP(U)
      <=> ! [V] :
            ( ssItem(V)
           => ! [W] :
                ( ssItem(W)
               => ! [X] :
                    ( ssList(X)
                   => ! [Y] :
                        ( ssList(Y)
                       => ! [Z] :
                            ( ssList(Z)
                           => ( app(app(X,cons(V,Y)),cons(W,Z)) = U
                             => leq(V,W) ) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f12,axiom,
    ! [U] :
      ( ssList(U)
     => ( strictorderedP(U)
      <=> ! [V] :
            ( ssItem(V)
           => ! [W] :
                ( ssItem(W)
               => ! [X] :
                    ( ssList(X)
                   => ! [Y] :
                        ( ssList(Y)
                       => ! [Z] :
                            ( ssList(Z)
                           => ( app(app(X,cons(V,Y)),cons(W,Z)) = U
                             => lt(V,W) ) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f28,axiom,
    ! [U] :
      ( ssList(U)
     => app(nil,U) = U ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f66,axiom,
    totalorderedP(nil),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f84,axiom,
    ! [U] :
      ( ssList(U)
     => app(U,nil) = U ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f93,axiom,
    ! [U] :
      ( ssItem(U)
     => ! [V] :
          ( ssItem(V)
         => ( lt(U,V)
          <=> ( U != V
              & leq(U,V) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f96,conjecture,
    ! [U] :
      ( ssList(U)
     => ! [V] :
          ( ssList(V)
         => ! [W] :
              ( ssList(W)
             => ! [X] :
                  ( ~ ssList(X)
                  | V != X
                  | U != W
                  | ~ segmentP(X,W)
                  | ~ strictorderedP(W)
                  | ? [Y] :
                      ( ssList(Y)
                      & neq(W,Y)
                      & segmentP(X,Y)
                      & segmentP(Y,W)
                      & strictorderedP(Y) )
                  | totalorderedP(U) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f97,negated_conjecture,
    ~ ! [U] :
        ( ssList(U)
       => ! [V] :
            ( ssList(V)
           => ! [W] :
                ( ssList(W)
               => ! [X] :
                    ( ~ ssList(X)
                    | V != X
                    | U != W
                    | ~ segmentP(X,W)
                    | ~ strictorderedP(W)
                    | ? [Y] :
                        ( ssList(Y)
                        & neq(W,Y)
                        & segmentP(X,Y)
                        & segmentP(Y,W)
                        & strictorderedP(Y) )
                    | totalorderedP(U) ) ) ) ),
    inference(negated_conjecture,[status(cth)],[f96]) ).

fof(f102,plain,
    ( ssItem(sk0_0)
    & ssItem(sk0_1)
    & sk0_0 != sk0_1 ),
    inference(skolemization,[status(esa)],[f2]) ).

fof(f104,plain,
    ssItem(sk0_1),
    inference(cnf_transformation,[status(esa)],[f102]) ).

fof(f174,plain,
    ! [U] :
      ( ~ ssList(U)
      | ( totalorderedP(U)
      <=> ! [V] :
            ( ~ ssItem(V)
            | ! [W] :
                ( ~ ssItem(W)
                | ! [X] :
                    ( ~ ssList(X)
                    | ! [Y] :
                        ( ~ ssList(Y)
                        | ! [Z] :
                            ( ~ ssList(Z)
                            | app(app(X,cons(V,Y)),cons(W,Z)) != U
                            | leq(V,W) ) ) ) ) ) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f11]) ).

fof(f175,plain,
    ! [U] :
      ( ~ ssList(U)
      | ( ( ~ totalorderedP(U)
          | ! [V] :
              ( ~ ssItem(V)
              | ! [W] :
                  ( ~ ssItem(W)
                  | ! [X] :
                      ( ~ ssList(X)
                      | ! [Y] :
                          ( ~ ssList(Y)
                          | ! [Z] :
                              ( ~ ssList(Z)
                              | app(app(X,cons(V,Y)),cons(W,Z)) != U
                              | leq(V,W) ) ) ) ) ) )
        & ( totalorderedP(U)
          | ? [V] :
              ( ssItem(V)
              & ? [W] :
                  ( ssItem(W)
                  & ? [X] :
                      ( ssList(X)
                      & ? [Y] :
                          ( ssList(Y)
                          & ? [Z] :
                              ( ssList(Z)
                              & app(app(X,cons(V,Y)),cons(W,Z)) = U
                              & ~ leq(V,W) ) ) ) ) ) ) ) ),
    inference(NNF_transformation,[status(esa)],[f174]) ).

fof(f176,plain,
    ! [U] :
      ( ~ ssList(U)
      | ( ( ~ totalorderedP(U)
          | ! [V] :
              ( ~ ssItem(V)
              | ! [W] :
                  ( ~ ssItem(W)
                  | ! [X] :
                      ( ~ ssList(X)
                      | ! [Y] :
                          ( ~ ssList(Y)
                          | ! [Z] :
                              ( ~ ssList(Z)
                              | app(app(X,cons(V,Y)),cons(W,Z)) != U
                              | leq(V,W) ) ) ) ) ) )
        & ( totalorderedP(U)
          | ( ssItem(sk0_24(U))
            & ssItem(sk0_25(U))
            & ssList(sk0_26(U))
            & ssList(sk0_27(U))
            & ssList(sk0_28(U))
            & app(app(sk0_26(U),cons(sk0_24(U),sk0_27(U))),cons(sk0_25(U),sk0_28(U))) = U
            & ~ leq(sk0_24(U),sk0_25(U)) ) ) ) ),
    inference(skolemization,[status(esa)],[f175]) ).

fof(f178,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | totalorderedP(X0)
      | ssItem(sk0_24(X0)) ),
    inference(cnf_transformation,[status(esa)],[f176]) ).

fof(f179,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | totalorderedP(X0)
      | ssItem(sk0_25(X0)) ),
    inference(cnf_transformation,[status(esa)],[f176]) ).

fof(f180,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | totalorderedP(X0)
      | ssList(sk0_26(X0)) ),
    inference(cnf_transformation,[status(esa)],[f176]) ).

fof(f181,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | totalorderedP(X0)
      | ssList(sk0_27(X0)) ),
    inference(cnf_transformation,[status(esa)],[f176]) ).

fof(f182,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | totalorderedP(X0)
      | ssList(sk0_28(X0)) ),
    inference(cnf_transformation,[status(esa)],[f176]) ).

fof(f183,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | totalorderedP(X0)
      | app(app(sk0_26(X0),cons(sk0_24(X0),sk0_27(X0))),cons(sk0_25(X0),sk0_28(X0))) = X0 ),
    inference(cnf_transformation,[status(esa)],[f176]) ).

fof(f184,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | totalorderedP(X0)
      | ~ leq(sk0_24(X0),sk0_25(X0)) ),
    inference(cnf_transformation,[status(esa)],[f176]) ).

fof(f185,plain,
    ! [U] :
      ( ~ ssList(U)
      | ( strictorderedP(U)
      <=> ! [V] :
            ( ~ ssItem(V)
            | ! [W] :
                ( ~ ssItem(W)
                | ! [X] :
                    ( ~ ssList(X)
                    | ! [Y] :
                        ( ~ ssList(Y)
                        | ! [Z] :
                            ( ~ ssList(Z)
                            | app(app(X,cons(V,Y)),cons(W,Z)) != U
                            | lt(V,W) ) ) ) ) ) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f12]) ).

fof(f186,plain,
    ! [U] :
      ( ~ ssList(U)
      | ( ( ~ strictorderedP(U)
          | ! [V] :
              ( ~ ssItem(V)
              | ! [W] :
                  ( ~ ssItem(W)
                  | ! [X] :
                      ( ~ ssList(X)
                      | ! [Y] :
                          ( ~ ssList(Y)
                          | ! [Z] :
                              ( ~ ssList(Z)
                              | app(app(X,cons(V,Y)),cons(W,Z)) != U
                              | lt(V,W) ) ) ) ) ) )
        & ( strictorderedP(U)
          | ? [V] :
              ( ssItem(V)
              & ? [W] :
                  ( ssItem(W)
                  & ? [X] :
                      ( ssList(X)
                      & ? [Y] :
                          ( ssList(Y)
                          & ? [Z] :
                              ( ssList(Z)
                              & app(app(X,cons(V,Y)),cons(W,Z)) = U
                              & ~ lt(V,W) ) ) ) ) ) ) ) ),
    inference(NNF_transformation,[status(esa)],[f185]) ).

fof(f187,plain,
    ! [U] :
      ( ~ ssList(U)
      | ( ( ~ strictorderedP(U)
          | ! [V] :
              ( ~ ssItem(V)
              | ! [W] :
                  ( ~ ssItem(W)
                  | ! [X] :
                      ( ~ ssList(X)
                      | ! [Y] :
                          ( ~ ssList(Y)
                          | ! [Z] :
                              ( ~ ssList(Z)
                              | app(app(X,cons(V,Y)),cons(W,Z)) != U
                              | lt(V,W) ) ) ) ) ) )
        & ( strictorderedP(U)
          | ( ssItem(sk0_29(U))
            & ssItem(sk0_30(U))
            & ssList(sk0_31(U))
            & ssList(sk0_32(U))
            & ssList(sk0_33(U))
            & app(app(sk0_31(U),cons(sk0_29(U),sk0_32(U))),cons(sk0_30(U),sk0_33(U))) = U
            & ~ lt(sk0_29(U),sk0_30(U)) ) ) ) ),
    inference(skolemization,[status(esa)],[f186]) ).

fof(f188,plain,
    ! [X0,X1,X2,X3,X4,X5] :
      ( ~ ssList(X0)
      | ~ strictorderedP(X0)
      | ~ ssItem(X1)
      | ~ ssItem(X2)
      | ~ ssList(X3)
      | ~ ssList(X4)
      | ~ ssList(X5)
      | app(app(X3,cons(X1,X4)),cons(X2,X5)) != X0
      | lt(X1,X2) ),
    inference(cnf_transformation,[status(esa)],[f187]) ).

fof(f248,plain,
    ! [U] :
      ( ~ ssList(U)
      | app(nil,U) = U ),
    inference(pre_NNF_transformation,[status(esa)],[f28]) ).

fof(f249,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | app(nil,X0) = X0 ),
    inference(cnf_transformation,[status(esa)],[f248]) ).

fof(f339,plain,
    totalorderedP(nil),
    inference(cnf_transformation,[status(esa)],[f66]) ).

fof(f388,plain,
    ! [U] :
      ( ~ ssList(U)
      | app(U,nil) = U ),
    inference(pre_NNF_transformation,[status(esa)],[f84]) ).

fof(f389,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | app(X0,nil) = X0 ),
    inference(cnf_transformation,[status(esa)],[f388]) ).

fof(f406,plain,
    ! [U] :
      ( ~ ssItem(U)
      | ! [V] :
          ( ~ ssItem(V)
          | ( lt(U,V)
          <=> ( U != V
              & leq(U,V) ) ) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f93]) ).

fof(f407,plain,
    ! [U] :
      ( ~ ssItem(U)
      | ! [V] :
          ( ~ ssItem(V)
          | ( ( ~ lt(U,V)
              | ( U != V
                & leq(U,V) ) )
            & ( lt(U,V)
              | U = V
              | ~ leq(U,V) ) ) ) ),
    inference(NNF_transformation,[status(esa)],[f406]) ).

fof(f409,plain,
    ! [X0,X1] :
      ( ~ ssItem(X0)
      | ~ ssItem(X1)
      | ~ lt(X0,X1)
      | leq(X0,X1) ),
    inference(cnf_transformation,[status(esa)],[f407]) ).

fof(f415,plain,
    ? [U] :
      ( ssList(U)
      & ? [V] :
          ( ssList(V)
          & ? [W] :
              ( ssList(W)
              & ? [X] :
                  ( ssList(X)
                  & V = X
                  & U = W
                  & segmentP(X,W)
                  & strictorderedP(W)
                  & ! [Y] :
                      ( ~ ssList(Y)
                      | ~ neq(W,Y)
                      | ~ segmentP(X,Y)
                      | ~ segmentP(Y,W)
                      | ~ strictorderedP(Y) )
                  & ~ totalorderedP(U) ) ) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f97]) ).

fof(f416,plain,
    ? [U] :
      ( ssList(U)
      & ? [V] :
          ( ssList(V)
          & ? [W] :
              ( ssList(W)
              & ? [X] :
                  ( ssList(X)
                  & V = X
                  & U = W
                  & segmentP(X,W)
                  & strictorderedP(W)
                  & ! [Y] :
                      ( ~ ssList(Y)
                      | ~ neq(W,Y)
                      | ~ segmentP(X,Y)
                      | ~ segmentP(Y,W)
                      | ~ strictorderedP(Y) ) )
              & ~ totalorderedP(U) ) ) ),
    inference(miniscoping,[status(esa)],[f415]) ).

fof(f417,plain,
    ( ssList(sk0_47)
    & ssList(sk0_48)
    & ssList(sk0_49)
    & ssList(sk0_50)
    & sk0_48 = sk0_50
    & sk0_47 = sk0_49
    & segmentP(sk0_50,sk0_49)
    & strictorderedP(sk0_49)
    & ! [Y] :
        ( ~ ssList(Y)
        | ~ neq(sk0_49,Y)
        | ~ segmentP(sk0_50,Y)
        | ~ segmentP(Y,sk0_49)
        | ~ strictorderedP(Y) )
    & ~ totalorderedP(sk0_47) ),
    inference(skolemization,[status(esa)],[f416]) ).

fof(f418,plain,
    ssList(sk0_47),
    inference(cnf_transformation,[status(esa)],[f417]) ).

fof(f423,plain,
    sk0_47 = sk0_49,
    inference(cnf_transformation,[status(esa)],[f417]) ).

fof(f425,plain,
    strictorderedP(sk0_49),
    inference(cnf_transformation,[status(esa)],[f417]) ).

fof(f427,plain,
    ~ totalorderedP(sk0_47),
    inference(cnf_transformation,[status(esa)],[f417]) ).

fof(f439,plain,
    ! [X0,X1,X2,X3,X4] :
      ( ~ ssList(app(app(X0,cons(X1,X2)),cons(X3,X4)))
      | ~ strictorderedP(app(app(X0,cons(X1,X2)),cons(X3,X4)))
      | ~ ssItem(X1)
      | ~ ssItem(X3)
      | ~ ssList(X0)
      | ~ ssList(X2)
      | ~ ssList(X4)
      | lt(X1,X3) ),
    inference(destructive_equality_resolution,[status(esa)],[f188]) ).

fof(f460,plain,
    strictorderedP(sk0_47),
    inference(forward_demodulation,[status(thm)],[f423,f425]) ).

fof(f468,plain,
    ( spl0_0
  <=> ssList(sk0_47) ),
    introduced(split_symbol_definition) ).

fof(f470,plain,
    ( ~ ssList(sk0_47)
    | spl0_0 ),
    inference(component_clause,[status(thm)],[f468]) ).

fof(f477,plain,
    ( spl0_3
  <=> strictorderedP(sk0_47) ),
    introduced(split_symbol_definition) ).

fof(f479,plain,
    ( ~ strictorderedP(sk0_47)
    | spl0_3 ),
    inference(component_clause,[status(thm)],[f477]) ).

fof(f498,plain,
    ( $false
    | spl0_3 ),
    inference(forward_subsumption_resolution,[status(thm)],[f479,f460]) ).

fof(f499,plain,
    spl0_3,
    inference(contradiction_clause,[status(thm)],[f498]) ).

fof(f506,plain,
    ( $false
    | spl0_0 ),
    inference(forward_subsumption_resolution,[status(thm)],[f470,f418]) ).

fof(f507,plain,
    spl0_0,
    inference(contradiction_clause,[status(thm)],[f506]) ).

fof(f588,plain,
    ( spl0_24
  <=> nil = sk0_47 ),
    introduced(split_symbol_definition) ).

fof(f589,plain,
    ( nil = sk0_47
    | ~ spl0_24 ),
    inference(component_clause,[status(thm)],[f588]) ).

fof(f775,plain,
    ( spl0_50
  <=> ssItem(sk0_1) ),
    introduced(split_symbol_definition) ).

fof(f777,plain,
    ( ~ ssItem(sk0_1)
    | spl0_50 ),
    inference(component_clause,[status(thm)],[f775]) ).

fof(f1266,plain,
    ( spl0_139
  <=> strictorderedP(app(app(nil,sk0_47),nil)) ),
    introduced(split_symbol_definition) ).

fof(f1268,plain,
    ( ~ strictorderedP(app(app(nil,sk0_47),nil))
    | spl0_139 ),
    inference(component_clause,[status(thm)],[f1266]) ).

fof(f1349,plain,
    app(nil,sk0_47) = sk0_47,
    inference(resolution,[status(thm)],[f249,f418]) ).

fof(f1412,plain,
    app(sk0_47,nil) = sk0_47,
    inference(resolution,[status(thm)],[f389,f418]) ).

fof(f1517,plain,
    ( spl0_167
  <=> totalorderedP(sk0_47) ),
    introduced(split_symbol_definition) ).

fof(f1518,plain,
    ( totalorderedP(sk0_47)
    | ~ spl0_167 ),
    inference(component_clause,[status(thm)],[f1517]) ).

fof(f1520,plain,
    ( spl0_168
  <=> ssList(sk0_26(sk0_47)) ),
    introduced(split_symbol_definition) ).

fof(f1523,plain,
    ( totalorderedP(sk0_47)
    | ssList(sk0_26(sk0_47)) ),
    inference(resolution,[status(thm)],[f180,f418]) ).

fof(f1524,plain,
    ( spl0_167
    | spl0_168 ),
    inference(split_clause,[status(thm)],[f1523,f1517,f1520]) ).

fof(f1530,plain,
    ( $false
    | ~ spl0_167 ),
    inference(forward_subsumption_resolution,[status(thm)],[f1518,f427]) ).

fof(f1531,plain,
    ~ spl0_167,
    inference(contradiction_clause,[status(thm)],[f1530]) ).

fof(f1532,plain,
    ( spl0_170
  <=> ssList(sk0_27(sk0_47)) ),
    introduced(split_symbol_definition) ).

fof(f1535,plain,
    ( totalorderedP(sk0_47)
    | ssList(sk0_27(sk0_47)) ),
    inference(resolution,[status(thm)],[f181,f418]) ).

fof(f1536,plain,
    ( spl0_167
    | spl0_170 ),
    inference(split_clause,[status(thm)],[f1535,f1517,f1532]) ).

fof(f1542,plain,
    ( spl0_172
  <=> ssList(sk0_28(sk0_47)) ),
    introduced(split_symbol_definition) ).

fof(f1545,plain,
    ( totalorderedP(sk0_47)
    | ssList(sk0_28(sk0_47)) ),
    inference(resolution,[status(thm)],[f182,f418]) ).

fof(f1546,plain,
    ( spl0_167
    | spl0_172 ),
    inference(split_clause,[status(thm)],[f1545,f1517,f1542]) ).

fof(f1592,plain,
    ( $false
    | spl0_50 ),
    inference(forward_subsumption_resolution,[status(thm)],[f777,f104]) ).

fof(f1593,plain,
    spl0_50,
    inference(contradiction_clause,[status(thm)],[f1592]) ).

fof(f7866,plain,
    ( spl0_1072
  <=> ssItem(sk0_24(sk0_47)) ),
    introduced(split_symbol_definition) ).

fof(f7869,plain,
    ( totalorderedP(sk0_47)
    | ssItem(sk0_24(sk0_47)) ),
    inference(resolution,[status(thm)],[f178,f418]) ).

fof(f7870,plain,
    ( spl0_167
    | spl0_1072 ),
    inference(split_clause,[status(thm)],[f7869,f1517,f7866]) ).

fof(f7936,plain,
    ( spl0_1084
  <=> ssItem(sk0_25(sk0_47)) ),
    introduced(split_symbol_definition) ).

fof(f7939,plain,
    ( totalorderedP(sk0_47)
    | ssItem(sk0_25(sk0_47)) ),
    inference(resolution,[status(thm)],[f179,f418]) ).

fof(f7940,plain,
    ( spl0_167
    | spl0_1084 ),
    inference(split_clause,[status(thm)],[f7939,f1517,f7936]) ).

fof(f8126,plain,
    ( spl0_1120
  <=> app(app(sk0_26(sk0_47),cons(sk0_24(sk0_47),sk0_27(sk0_47))),cons(sk0_25(sk0_47),sk0_28(sk0_47))) = sk0_47 ),
    introduced(split_symbol_definition) ).

fof(f8127,plain,
    ( app(app(sk0_26(sk0_47),cons(sk0_24(sk0_47),sk0_27(sk0_47))),cons(sk0_25(sk0_47),sk0_28(sk0_47))) = sk0_47
    | ~ spl0_1120 ),
    inference(component_clause,[status(thm)],[f8126]) ).

fof(f8129,plain,
    ( totalorderedP(sk0_47)
    | app(app(sk0_26(sk0_47),cons(sk0_24(sk0_47),sk0_27(sk0_47))),cons(sk0_25(sk0_47),sk0_28(sk0_47))) = sk0_47 ),
    inference(resolution,[status(thm)],[f183,f418]) ).

fof(f8130,plain,
    ( spl0_167
    | spl0_1120 ),
    inference(split_clause,[status(thm)],[f8129,f1517,f8126]) ).

fof(f8957,plain,
    ( spl0_1275
  <=> lt(sk0_24(sk0_47),sk0_25(sk0_47)) ),
    introduced(split_symbol_definition) ).

fof(f8958,plain,
    ( lt(sk0_24(sk0_47),sk0_25(sk0_47))
    | ~ spl0_1275 ),
    inference(component_clause,[status(thm)],[f8957]) ).

fof(f8965,plain,
    ( spl0_1277
  <=> leq(sk0_24(sk0_47),sk0_25(sk0_47)) ),
    introduced(split_symbol_definition) ).

fof(f8966,plain,
    ( leq(sk0_24(sk0_47),sk0_25(sk0_47))
    | ~ spl0_1277 ),
    inference(component_clause,[status(thm)],[f8965]) ).

fof(f9329,plain,
    ( ~ strictorderedP(app(sk0_47,nil))
    | spl0_139 ),
    inference(forward_demodulation,[status(thm)],[f1349,f1268]) ).

fof(f9330,plain,
    ( ~ strictorderedP(sk0_47)
    | spl0_139 ),
    inference(forward_demodulation,[status(thm)],[f1412,f9329]) ).

fof(f9331,plain,
    ( $false
    | spl0_139 ),
    inference(forward_subsumption_resolution,[status(thm)],[f9330,f460]) ).

fof(f9332,plain,
    spl0_139,
    inference(contradiction_clause,[status(thm)],[f9331]) ).

fof(f11262,plain,
    ( ~ totalorderedP(nil)
    | ~ spl0_24 ),
    inference(backward_demodulation,[status(thm)],[f589,f427]) ).

fof(f11263,plain,
    ( $false
    | ~ spl0_24 ),
    inference(forward_subsumption_resolution,[status(thm)],[f11262,f339]) ).

fof(f11264,plain,
    ~ spl0_24,
    inference(contradiction_clause,[status(thm)],[f11263]) ).

fof(f11637,plain,
    ( ~ ssItem(sk0_24(sk0_47))
    | ~ ssItem(sk0_25(sk0_47))
    | leq(sk0_24(sk0_47),sk0_25(sk0_47))
    | ~ spl0_1275 ),
    inference(resolution,[status(thm)],[f8958,f409]) ).

fof(f11638,plain,
    ( ~ spl0_1072
    | ~ spl0_1084
    | spl0_1277
    | ~ spl0_1275 ),
    inference(split_clause,[status(thm)],[f11637,f7866,f7936,f8965,f8957]) ).

fof(f13382,plain,
    ( spl0_1852
  <=> ssList(app(app(sk0_26(sk0_47),cons(sk0_24(sk0_47),sk0_27(sk0_47))),cons(sk0_25(sk0_47),sk0_28(sk0_47)))) ),
    introduced(split_symbol_definition) ).

fof(f13384,plain,
    ( ~ ssList(app(app(sk0_26(sk0_47),cons(sk0_24(sk0_47),sk0_27(sk0_47))),cons(sk0_25(sk0_47),sk0_28(sk0_47))))
    | spl0_1852 ),
    inference(component_clause,[status(thm)],[f13382]) ).

fof(f13391,plain,
    ( ~ ssList(app(app(sk0_26(sk0_47),cons(sk0_24(sk0_47),sk0_27(sk0_47))),cons(sk0_25(sk0_47),sk0_28(sk0_47))))
    | ~ strictorderedP(sk0_47)
    | ~ ssItem(sk0_24(sk0_47))
    | ~ ssItem(sk0_25(sk0_47))
    | ~ ssList(sk0_26(sk0_47))
    | ~ ssList(sk0_27(sk0_47))
    | ~ ssList(sk0_28(sk0_47))
    | lt(sk0_24(sk0_47),sk0_25(sk0_47))
    | ~ spl0_1120 ),
    inference(paramodulation,[status(thm)],[f8127,f439]) ).

fof(f13392,plain,
    ( ~ spl0_1852
    | ~ spl0_3
    | ~ spl0_1072
    | ~ spl0_1084
    | ~ spl0_168
    | ~ spl0_170
    | ~ spl0_172
    | spl0_1275
    | ~ spl0_1120 ),
    inference(split_clause,[status(thm)],[f13391,f13382,f477,f7866,f7936,f1520,f1532,f1542,f8957,f8126]) ).

fof(f13440,plain,
    ( ~ ssList(sk0_47)
    | ~ spl0_1120
    | spl0_1852 ),
    inference(forward_demodulation,[status(thm)],[f8127,f13384]) ).

fof(f13441,plain,
    ( $false
    | ~ spl0_1120
    | spl0_1852 ),
    inference(forward_subsumption_resolution,[status(thm)],[f13440,f418]) ).

fof(f13442,plain,
    ( ~ spl0_1120
    | spl0_1852 ),
    inference(contradiction_clause,[status(thm)],[f13441]) ).

fof(f14754,plain,
    ( ~ ssList(sk0_47)
    | totalorderedP(sk0_47)
    | ~ spl0_1277 ),
    inference(resolution,[status(thm)],[f8966,f184]) ).

fof(f14755,plain,
    ( ~ spl0_0
    | spl0_167
    | ~ spl0_1277 ),
    inference(split_clause,[status(thm)],[f14754,f468,f1517,f8965]) ).

fof(f14766,plain,
    $false,
    inference(sat_refutation,[status(thm)],[f499,f507,f1524,f1531,f1536,f1546,f1593,f7870,f7940,f8130,f9332,f11264,f11638,f13392,f13442,f14755]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.02/0.09  % Problem  : SWC273+1 : TPTP v8.1.2. Released v2.4.0.
% 0.02/0.10  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.09/0.29  % Computer : n009.cluster.edu
% 0.09/0.29  % Model    : x86_64 x86_64
% 0.09/0.29  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.29  % Memory   : 8042.1875MB
% 0.09/0.29  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.09/0.29  % CPULimit : 300
% 0.09/0.29  % WCLimit  : 300
% 0.09/0.29  % DateTime : Tue Apr 30 00:05:26 EDT 2024
% 0.09/0.30  % CPUTime  : 
% 0.09/0.31  % Drodi V3.6.0
% 23.83/3.32  % Refutation found
% 23.83/3.32  % SZS status Theorem for theBenchmark: Theorem is valid
% 23.83/3.32  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 23.91/3.37  % Elapsed time: 3.059996 seconds
% 23.91/3.37  % CPU time: 24.099926 seconds
% 23.91/3.37  % Total memory used: 160.242 MB
% 23.91/3.37  % Net memory used: 156.459 MB
%------------------------------------------------------------------------------