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Drodi---4.1.1.THM-CRf.s

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%------------------------------------------------------------------------------
% File     : Drodi---4.1.1
% Problem  : SWC377+1 : TPTP v9.3.1. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p

% Computer : n012.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8046.5625MB
% OS       : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Thu Sep 24 02:41:00 PM UTC 2026

% Result   : Theorem 0.03s 0.33s
% Output   : CNFRefutation 0.03s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :   81
% Syntax   : Number of formulae    :  335 (  13 unt;  59 def)
%            Number of atoms       : 1307 ( 194 equ)
%            Maximal formula atoms :   18 (   3 avg)
%            Number of connectives : 1740 ( 768   ~; 764   |;  77   &)
%                                         (  75 <=>;  56  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   21 (   5 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :   69 (  67 usr;  60 prp; 0-2 aty)
%            Number of functors    :   17 (  17 usr;  10 con; 0-2 aty)
%            Number of variables   :  309 ( 285   !;  24   ?)

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

fof(f4,axiom,
    ! [U] :
      ( ssList(U)
     => ( singletonP(U)
      <=> ? [V] :
            ( cons(V,nil) = U
            & ssItem(V) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f5,axiom,
    ! [U] :
      ( ssList(U)
     => ! [V] :
          ( ssList(V)
         => ( frontsegP(U,V)
          <=> ? [W] :
                ( app(V,W) = U
                & ssList(W) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f6,axiom,
    ! [U] :
      ( ssList(U)
     => ! [V] :
          ( ssList(V)
         => ( rearsegP(U,V)
          <=> ? [W] :
                ( app(W,V) = U
                & ssList(W) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f7,axiom,
    ! [U] :
      ( ssList(U)
     => ! [V] :
          ( ssList(V)
         => ( segmentP(U,V)
          <=> ? [W] :
                ( ? [X] :
                    ( app(app(W,V),X) = U
                    & ssList(X) )
                & ssList(W) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f15,axiom,
    ! [U] :
      ( ssList(U)
     => ! [V] :
          ( ssList(V)
         => ( neq(U,V)
          <=> U != V ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f16,axiom,
    ! [U] :
      ( ssList(U)
     => ! [V] :
          ( ssItem(V)
         => ssList(cons(V,U)) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f17,axiom,
    ssList(nil),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f18,axiom,
    ! [U] :
      ( ssList(U)
     => ! [V] :
          ( ssItem(V)
         => cons(V,U) != U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f19,axiom,
    ! [U] :
      ( ssList(U)
     => ! [V] :
          ( ssList(V)
         => ! [W] :
              ( ssItem(W)
             => ! [X] :
                  ( ssItem(X)
                 => ( cons(W,U) = cons(X,V)
                   => ( V = U
                      & W = X ) ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f21,axiom,
    ! [U] :
      ( ssList(U)
     => ! [V] :
          ( ssItem(V)
         => nil != cons(V,U) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f26,axiom,
    ! [U] :
      ( ssList(U)
     => ! [V] :
          ( ssList(V)
         => ssList(app(U,V)) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f27,axiom,
    ! [U] :
      ( ssList(U)
     => ! [V] :
          ( ssList(V)
         => ! [W] :
              ( ssItem(W)
             => cons(W,app(V,U)) = app(cons(W,V),U) ) ) ),
    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(f36,axiom,
    ! [U] :
      ( ssItem(U)
     => ! [V] :
          ( ssList(V)
         => ! [W] :
              ( ssList(W)
             => ( memberP(app(V,W),U)
              <=> ( memberP(W,U)
                  | memberP(V,U) ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f37,axiom,
    ! [U] :
      ( ssItem(U)
     => ! [V] :
          ( ssItem(V)
         => ! [W] :
              ( ssList(W)
             => ( memberP(cons(V,W),U)
              <=> ( memberP(W,U)
                  | U = V ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f38,axiom,
    ! [U] :
      ( ssItem(U)
     => ~ memberP(nil,U) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f79,axiom,
    ! [U] :
      ( ssList(U)
     => ! [V] :
          ( ssList(V)
         => ! [W] :
              ( ssList(W)
             => ( app(W,V) = app(U,V)
               => W = U ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f81,axiom,
    ! [U] :
      ( ssList(U)
     => ! [V] :
          ( ssItem(V)
         => cons(V,U) = app(cons(V,nil),U) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f83,axiom,
    ! [U] :
      ( ssList(U)
     => ! [V] :
          ( ssList(V)
         => ( nil = app(U,V)
          <=> ( nil = U
              & nil = V ) ) ) ),
    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(f96,conjecture,
    ! [U] :
      ( ssList(U)
     => ! [V] :
          ( ssList(V)
         => ! [W] :
              ( ssList(W)
             => ! [X] :
                  ( ssList(X)
                 => ( ( neq(X,nil)
                      & ! [Z] :
                          ( ssItem(Z)
                         => ! [X1] :
                              ( ssList(X1)
                             => ( app(X1,cons(Z,nil)) != X
                                | app(cons(Z,nil),X1) != W ) ) ) )
                    | ( nil = X
                      & nil != W )
                    | ! [Y] :
                        ( ssItem(Y)
                       => ( ( memberP(U,Y)
                            & memberP(V,Y) )
                          | ( ~ memberP(U,Y)
                            & ~ memberP(V,Y) ) ) )
                    | U != W
                    | V != X ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f97,negated_conjecture,
    ~ ! [U] :
        ( ssList(U)
       => ! [V] :
            ( ssList(V)
           => ! [W] :
                ( ssList(W)
               => ! [X] :
                    ( ssList(X)
                   => ( ( neq(X,nil)
                        & ! [Z] :
                            ( ssItem(Z)
                           => ! [X1] :
                                ( ssList(X1)
                               => ( app(X1,cons(Z,nil)) != X
                                  | app(cons(Z,nil),X1) != W ) ) ) )
                      | ( nil = X
                        & nil != W )
                      | ! [Y] :
                          ( ssItem(Y)
                         => ( ( memberP(U,Y)
                              & memberP(V,Y) )
                            | ( ~ memberP(U,Y)
                              & ~ memberP(V,Y) ) ) )
                      | U != W
                      | V != X ) ) ) ) ),
    inference(negated_conjecture,[status(cth)],[f96]) ).

fof(f102,plain,
    ( sK0_skl != sK1_skl
    & ssItem(sK1_skl)
    & ssItem(sK0_skl) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK0_skl,sK1_skl]),skolemize(U,sK0_skl),skolemize(V,sK1_skl)],[f2]) ).

fof(f104,plain,
    ssItem(sK1_skl),
    inference(cnf_transformation,[status(thm)],[f102]) ).

fof(f113,plain,
    ! [U] :
      ( ( singletonP(U)
      <=> ? [V] :
            ( cons(V,nil) = U
            & ssItem(V) ) )
      | ~ ssList(U) ),
    inference(pre_NNF_transformation,[status(thm)],[f4]) ).

fof(f114,plain,
    ! [U] :
      ( ( ( ! [V] :
              ( cons(V,nil) != U
              | ~ ssItem(V) )
          | singletonP(U) )
        & ( ? [V] :
              ( cons(V,nil) = U
              & ssItem(V) )
          | ~ singletonP(U) ) )
      | ~ ssList(U) ),
    inference(NNF_transformation,[status(thm)],[f113]) ).

fof(f115,plain,
    ! [U] :
      ( ( ( ! [V] :
              ( cons(V,nil) != U
              | ~ ssItem(V) )
          | singletonP(U) )
        & ( ( cons(sK4_skl(U),nil) = U
            & ssItem(sK4_skl(U)) )
          | ~ singletonP(U) ) )
      | ~ ssList(U) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK4_skl]),skolemize(V,sK4_skl(U))],[f114]) ).

fof(f118,plain,
    ! [X0,X1] :
      ( cons(X1,nil) != X0
      | ~ ssItem(X1)
      | singletonP(X0)
      | ~ ssList(X0) ),
    inference(cnf_transformation,[status(thm)],[f115]) ).

fof(f119,plain,
    ! [U] :
      ( ! [V] :
          ( ( frontsegP(U,V)
          <=> ? [W] :
                ( app(V,W) = U
                & ssList(W) ) )
          | ~ ssList(V) )
      | ~ ssList(U) ),
    inference(pre_NNF_transformation,[status(thm)],[f5]) ).

fof(f120,plain,
    ! [U] :
      ( ! [V] :
          ( ( ( ! [W] :
                  ( app(V,W) != U
                  | ~ ssList(W) )
              | frontsegP(U,V) )
            & ( ? [W] :
                  ( app(V,W) = U
                  & ssList(W) )
              | ~ frontsegP(U,V) ) )
          | ~ ssList(V) )
      | ~ ssList(U) ),
    inference(NNF_transformation,[status(thm)],[f119]) ).

fof(f121,plain,
    ! [U] :
      ( ! [V] :
          ( ( ( ! [W] :
                  ( app(V,W) != U
                  | ~ ssList(W) )
              | frontsegP(U,V) )
            & ( ( app(V,sK5_skl(V,U)) = U
                & ssList(sK5_skl(V,U)) )
              | ~ frontsegP(U,V) ) )
          | ~ ssList(V) )
      | ~ ssList(U) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK5_skl]),skolemize(W,sK5_skl(V,U))],[f120]) ).

fof(f122,plain,
    ! [X0,X1] :
      ( ssList(sK5_skl(X1,X0))
      | ~ frontsegP(X0,X1)
      | ~ ssList(X1)
      | ~ ssList(X0) ),
    inference(cnf_transformation,[status(thm)],[f121]) ).

fof(f123,plain,
    ! [X0,X1] :
      ( app(X1,sK5_skl(X1,X0)) = X0
      | ~ frontsegP(X0,X1)
      | ~ ssList(X1)
      | ~ ssList(X0) ),
    inference(cnf_transformation,[status(thm)],[f121]) ).

fof(f124,plain,
    ! [X0,X1,X2] :
      ( app(X1,X2) != X0
      | ~ ssList(X2)
      | frontsegP(X0,X1)
      | ~ ssList(X1)
      | ~ ssList(X0) ),
    inference(cnf_transformation,[status(thm)],[f121]) ).

fof(f125,plain,
    ! [U] :
      ( ! [V] :
          ( ( rearsegP(U,V)
          <=> ? [W] :
                ( app(W,V) = U
                & ssList(W) ) )
          | ~ ssList(V) )
      | ~ ssList(U) ),
    inference(pre_NNF_transformation,[status(thm)],[f6]) ).

fof(f126,plain,
    ! [U] :
      ( ! [V] :
          ( ( ( ! [W] :
                  ( app(W,V) != U
                  | ~ ssList(W) )
              | rearsegP(U,V) )
            & ( ? [W] :
                  ( app(W,V) = U
                  & ssList(W) )
              | ~ rearsegP(U,V) ) )
          | ~ ssList(V) )
      | ~ ssList(U) ),
    inference(NNF_transformation,[status(thm)],[f125]) ).

fof(f127,plain,
    ! [U] :
      ( ! [V] :
          ( ( ( ! [W] :
                  ( app(W,V) != U
                  | ~ ssList(W) )
              | rearsegP(U,V) )
            & ( ( app(sK6_skl(V,U),V) = U
                & ssList(sK6_skl(V,U)) )
              | ~ rearsegP(U,V) ) )
          | ~ ssList(V) )
      | ~ ssList(U) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK6_skl]),skolemize(W,sK6_skl(V,U))],[f126]) ).

fof(f128,plain,
    ! [X0,X1] :
      ( ssList(sK6_skl(X1,X0))
      | ~ rearsegP(X0,X1)
      | ~ ssList(X1)
      | ~ ssList(X0) ),
    inference(cnf_transformation,[status(thm)],[f127]) ).

fof(f129,plain,
    ! [X0,X1] :
      ( app(sK6_skl(X1,X0),X1) = X0
      | ~ rearsegP(X0,X1)
      | ~ ssList(X1)
      | ~ ssList(X0) ),
    inference(cnf_transformation,[status(thm)],[f127]) ).

fof(f130,plain,
    ! [X0,X1,X2] :
      ( app(X2,X1) != X0
      | ~ ssList(X2)
      | rearsegP(X0,X1)
      | ~ ssList(X1)
      | ~ ssList(X0) ),
    inference(cnf_transformation,[status(thm)],[f127]) ).

fof(f131,plain,
    ! [U] :
      ( ! [V] :
          ( ( segmentP(U,V)
          <=> ? [W] :
                ( ? [X] :
                    ( app(app(W,V),X) = U
                    & ssList(X) )
                & ssList(W) ) )
          | ~ ssList(V) )
      | ~ ssList(U) ),
    inference(pre_NNF_transformation,[status(thm)],[f7]) ).

fof(f132,plain,
    ! [U] :
      ( ! [V] :
          ( ( ( ! [W] :
                  ( ! [X] :
                      ( app(app(W,V),X) != U
                      | ~ ssList(X) )
                  | ~ ssList(W) )
              | segmentP(U,V) )
            & ( ? [W] :
                  ( ? [X] :
                      ( app(app(W,V),X) = U
                      & ssList(X) )
                  & ssList(W) )
              | ~ segmentP(U,V) ) )
          | ~ ssList(V) )
      | ~ ssList(U) ),
    inference(NNF_transformation,[status(thm)],[f131]) ).

fof(f133,plain,
    ! [U] :
      ( ! [V] :
          ( ( ( ! [W] :
                  ( ! [X] :
                      ( app(app(W,V),X) != U
                      | ~ ssList(X) )
                  | ~ ssList(W) )
              | segmentP(U,V) )
            & ( ( app(app(sK7_skl(V,U),V),sK8_skl(V,U)) = U
                & ssList(sK8_skl(V,U))
                & ssList(sK7_skl(V,U)) )
              | ~ segmentP(U,V) ) )
          | ~ ssList(V) )
      | ~ ssList(U) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK7_skl,sK8_skl]),skolemize(W,sK7_skl(V,U)),skolemize(X,sK8_skl(V,U))],[f132]) ).

fof(f136,plain,
    ! [X0,X1] :
      ( app(app(sK7_skl(X1,X0),X1),sK8_skl(X1,X0)) = X0
      | ~ segmentP(X0,X1)
      | ~ ssList(X1)
      | ~ ssList(X0) ),
    inference(cnf_transformation,[status(thm)],[f133]) ).

fof(f217,plain,
    ! [U] :
      ( ! [V] :
          ( ( neq(U,V)
          <=> U != V )
          | ~ ssList(V) )
      | ~ ssList(U) ),
    inference(pre_NNF_transformation,[status(thm)],[f15]) ).

fof(f218,plain,
    ! [U] :
      ( ! [V] :
          ( ( ( U = V
              | neq(U,V) )
            & ( U != V
              | ~ neq(U,V) ) )
          | ~ ssList(V) )
      | ~ ssList(U) ),
    inference(NNF_transformation,[status(thm)],[f217]) ).

fof(f220,plain,
    ! [X0,X1] :
      ( X0 = X1
      | neq(X0,X1)
      | ~ ssList(X1)
      | ~ ssList(X0) ),
    inference(cnf_transformation,[status(thm)],[f218]) ).

fof(f221,plain,
    ! [U] :
      ( ! [V] :
          ( ssList(cons(V,U))
          | ~ ssItem(V) )
      | ~ ssList(U) ),
    inference(pre_NNF_transformation,[status(thm)],[f16]) ).

fof(f222,plain,
    ! [X0,X1] :
      ( ssList(cons(X1,X0))
      | ~ ssItem(X1)
      | ~ ssList(X0) ),
    inference(cnf_transformation,[status(thm)],[f221]) ).

fof(f223,plain,
    ssList(nil),
    inference(cnf_transformation,[status(thm)],[f17]) ).

fof(f224,plain,
    ! [U] :
      ( ! [V] :
          ( cons(V,U) != U
          | ~ ssItem(V) )
      | ~ ssList(U) ),
    inference(pre_NNF_transformation,[status(thm)],[f18]) ).

fof(f225,plain,
    ! [X0,X1] :
      ( cons(X1,X0) != X0
      | ~ ssItem(X1)
      | ~ ssList(X0) ),
    inference(cnf_transformation,[status(thm)],[f224]) ).

fof(f226,plain,
    ! [U] :
      ( ! [V] :
          ( ! [W] :
              ( ! [X] :
                  ( ( V = U
                    & W = X )
                  | cons(W,U) != cons(X,V)
                  | ~ ssItem(X) )
              | ~ ssItem(W) )
          | ~ ssList(V) )
      | ~ ssList(U) ),
    inference(pre_NNF_transformation,[status(thm)],[f19]) ).

fof(f227,plain,
    ! [X0,X1,X2,X3] :
      ( X2 = X3
      | cons(X2,X0) != cons(X3,X1)
      | ~ ssItem(X3)
      | ~ ssItem(X2)
      | ~ ssList(X1)
      | ~ ssList(X0) ),
    inference(cnf_transformation,[status(thm)],[f226]) ).

fof(f234,plain,
    ! [U] :
      ( ! [V] :
          ( nil != cons(V,U)
          | ~ ssItem(V) )
      | ~ ssList(U) ),
    inference(pre_NNF_transformation,[status(thm)],[f21]) ).

fof(f235,plain,
    ! [X0,X1] :
      ( nil != cons(X1,X0)
      | ~ ssItem(X1)
      | ~ ssList(X0) ),
    inference(cnf_transformation,[status(thm)],[f234]) ).

fof(f244,plain,
    ! [U] :
      ( ! [V] :
          ( ssList(app(U,V))
          | ~ ssList(V) )
      | ~ ssList(U) ),
    inference(pre_NNF_transformation,[status(thm)],[f26]) ).

fof(f245,plain,
    ! [X0,X1] :
      ( ssList(app(X0,X1))
      | ~ ssList(X1)
      | ~ ssList(X0) ),
    inference(cnf_transformation,[status(thm)],[f244]) ).

fof(f246,plain,
    ! [U] :
      ( ! [V] :
          ( ! [W] :
              ( cons(W,app(V,U)) = app(cons(W,V),U)
              | ~ ssItem(W) )
          | ~ ssList(V) )
      | ~ ssList(U) ),
    inference(pre_NNF_transformation,[status(thm)],[f27]) ).

fof(f247,plain,
    ! [X0,X1,X2] :
      ( cons(X2,app(X1,X0)) = app(cons(X2,X1),X0)
      | ~ ssItem(X2)
      | ~ ssList(X1)
      | ~ ssList(X0) ),
    inference(cnf_transformation,[status(thm)],[f246]) ).

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

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

fof(f268,plain,
    ! [U] :
      ( ! [V] :
          ( ! [W] :
              ( ( memberP(app(V,W),U)
              <=> ( memberP(W,U)
                  | memberP(V,U) ) )
              | ~ ssList(W) )
          | ~ ssList(V) )
      | ~ ssItem(U) ),
    inference(pre_NNF_transformation,[status(thm)],[f36]) ).

fof(f269,plain,
    ! [U] :
      ( ! [V] :
          ( ! [W] :
              ( ( ( ( ~ memberP(W,U)
                    & ~ memberP(V,U) )
                  | memberP(app(V,W),U) )
                & ( memberP(W,U)
                  | memberP(V,U)
                  | ~ memberP(app(V,W),U) ) )
              | ~ ssList(W) )
          | ~ ssList(V) )
      | ~ ssItem(U) ),
    inference(NNF_transformation,[status(thm)],[f268]) ).

fof(f270,plain,
    ! [X0,X1,X2] :
      ( memberP(X2,X0)
      | memberP(X1,X0)
      | ~ memberP(app(X1,X2),X0)
      | ~ ssList(X2)
      | ~ ssList(X1)
      | ~ ssItem(X0) ),
    inference(cnf_transformation,[status(thm)],[f269]) ).

fof(f271,plain,
    ! [X0,X1,X2] :
      ( ~ memberP(X1,X0)
      | memberP(app(X1,X2),X0)
      | ~ ssList(X2)
      | ~ ssList(X1)
      | ~ ssItem(X0) ),
    inference(cnf_transformation,[status(thm)],[f269]) ).

fof(f272,plain,
    ! [X0,X1,X2] :
      ( ~ memberP(X2,X0)
      | memberP(app(X1,X2),X0)
      | ~ ssList(X2)
      | ~ ssList(X1)
      | ~ ssItem(X0) ),
    inference(cnf_transformation,[status(thm)],[f269]) ).

fof(f273,plain,
    ! [U] :
      ( ! [V] :
          ( ! [W] :
              ( ( memberP(cons(V,W),U)
              <=> ( memberP(W,U)
                  | U = V ) )
              | ~ ssList(W) )
          | ~ ssItem(V) )
      | ~ ssItem(U) ),
    inference(pre_NNF_transformation,[status(thm)],[f37]) ).

fof(f274,plain,
    ! [U] :
      ( ! [V] :
          ( ! [W] :
              ( ( ( ( ~ memberP(W,U)
                    & U != V )
                  | memberP(cons(V,W),U) )
                & ( memberP(W,U)
                  | U = V
                  | ~ memberP(cons(V,W),U) ) )
              | ~ ssList(W) )
          | ~ ssItem(V) )
      | ~ ssItem(U) ),
    inference(NNF_transformation,[status(thm)],[f273]) ).

fof(f275,plain,
    ! [X0,X1,X2] :
      ( memberP(X2,X0)
      | X0 = X1
      | ~ memberP(cons(X1,X2),X0)
      | ~ ssList(X2)
      | ~ ssItem(X1)
      | ~ ssItem(X0) ),
    inference(cnf_transformation,[status(thm)],[f274]) ).

fof(f276,plain,
    ! [X0,X1,X2] :
      ( X0 != X1
      | memberP(cons(X1,X2),X0)
      | ~ ssList(X2)
      | ~ ssItem(X1)
      | ~ ssItem(X0) ),
    inference(cnf_transformation,[status(thm)],[f274]) ).

fof(f277,plain,
    ! [X0,X1,X2] :
      ( ~ memberP(X2,X0)
      | memberP(cons(X1,X2),X0)
      | ~ ssList(X2)
      | ~ ssItem(X1)
      | ~ ssItem(X0) ),
    inference(cnf_transformation,[status(thm)],[f274]) ).

fof(f278,plain,
    ! [U] :
      ( ~ memberP(nil,U)
      | ~ ssItem(U) ),
    inference(pre_NNF_transformation,[status(thm)],[f38]) ).

fof(f279,plain,
    ! [X0] :
      ( ~ memberP(nil,X0)
      | ~ ssItem(X0) ),
    inference(cnf_transformation,[status(thm)],[f278]) ).

fof(f375,plain,
    ! [U] :
      ( ! [V] :
          ( ! [W] :
              ( W = U
              | app(W,V) != app(U,V)
              | ~ ssList(W) )
          | ~ ssList(V) )
      | ~ ssList(U) ),
    inference(pre_NNF_transformation,[status(thm)],[f79]) ).

fof(f376,plain,
    ! [X0,X1,X2] :
      ( X2 = X0
      | app(X2,X1) != app(X0,X1)
      | ~ ssList(X2)
      | ~ ssList(X1)
      | ~ ssList(X0) ),
    inference(cnf_transformation,[status(thm)],[f375]) ).

fof(f379,plain,
    ! [U] :
      ( ! [V] :
          ( cons(V,U) = app(cons(V,nil),U)
          | ~ ssItem(V) )
      | ~ ssList(U) ),
    inference(pre_NNF_transformation,[status(thm)],[f81]) ).

fof(f380,plain,
    ! [X0,X1] :
      ( cons(X1,X0) = app(cons(X1,nil),X0)
      | ~ ssItem(X1)
      | ~ ssList(X0) ),
    inference(cnf_transformation,[status(thm)],[f379]) ).

fof(f383,plain,
    ! [U] :
      ( ! [V] :
          ( ( nil = app(U,V)
          <=> ( nil = U
              & nil = V ) )
          | ~ ssList(V) )
      | ~ ssList(U) ),
    inference(pre_NNF_transformation,[status(thm)],[f83]) ).

fof(f384,plain,
    ! [U] :
      ( ! [V] :
          ( ( ( nil != U
              | nil != V
              | nil = app(U,V) )
            & ( ( nil = U
                & nil = V )
              | nil != app(U,V) ) )
          | ~ ssList(V) )
      | ~ ssList(U) ),
    inference(NNF_transformation,[status(thm)],[f383]) ).

fof(f385,plain,
    ! [X0,X1] :
      ( nil = X1
      | nil != app(X0,X1)
      | ~ ssList(X1)
      | ~ ssList(X0) ),
    inference(cnf_transformation,[status(thm)],[f384]) ).

fof(f386,plain,
    ! [X0,X1] :
      ( nil = X0
      | nil != app(X0,X1)
      | ~ ssList(X1)
      | ~ ssList(X0) ),
    inference(cnf_transformation,[status(thm)],[f384]) ).

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

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

fof(f415,plain,
    ? [U] :
      ( ? [V] :
          ( ? [W] :
              ( ? [X] :
                  ( ( ~ neq(X,nil)
                    | ? [Z] :
                        ( ? [X1] :
                            ( app(X1,cons(Z,nil)) = X
                            & app(cons(Z,nil),X1) = W
                            & ssList(X1) )
                        & ssItem(Z) ) )
                  & ( nil != X
                    | nil = W )
                  & ? [Y] :
                      ( ( ~ memberP(U,Y)
                        | ~ memberP(V,Y) )
                      & ( memberP(U,Y)
                        | memberP(V,Y) )
                      & ssItem(Y) )
                  & U = W
                  & V = X
                  & ssList(X) )
              & ssList(W) )
          & ssList(V) )
      & ssList(U) ),
    inference(pre_NNF_transformation,[status(thm)],[f97]) ).

fof(f416,plain,
    ( ( ~ neq(sK50_skl,nil)
      | ( app(sK53_skl,cons(sK52_skl,nil)) = sK50_skl
        & app(cons(sK52_skl,nil),sK53_skl) = sK49_skl
        & ssList(sK53_skl)
        & ssItem(sK52_skl) ) )
    & ( nil != sK50_skl
      | nil = sK49_skl )
    & ( ~ memberP(sK47_skl,sK51_skl)
      | ~ memberP(sK48_skl,sK51_skl) )
    & ( memberP(sK47_skl,sK51_skl)
      | memberP(sK48_skl,sK51_skl) )
    & ssItem(sK51_skl)
    & sK47_skl = sK49_skl
    & sK48_skl = sK50_skl
    & ssList(sK50_skl)
    & ssList(sK49_skl)
    & ssList(sK48_skl)
    & ssList(sK47_skl) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK47_skl,sK48_skl,sK49_skl,sK50_skl,sK51_skl,sK52_skl,sK53_skl]),skolemize(U,sK47_skl),skolemize(V,sK48_skl),skolemize(W,sK49_skl),skolemize(X,sK50_skl),skolemize(Y,sK51_skl),skolemize(Z,sK52_skl),skolemize(X1,sK53_skl)],[f415]) ).

fof(f420,plain,
    ssList(sK50_skl),
    inference(cnf_transformation,[status(thm)],[f416]) ).

fof(f421,plain,
    sK48_skl = sK50_skl,
    inference(cnf_transformation,[status(thm)],[f416]) ).

fof(f422,plain,
    sK47_skl = sK49_skl,
    inference(cnf_transformation,[status(thm)],[f416]) ).

fof(f423,plain,
    ssItem(sK51_skl),
    inference(cnf_transformation,[status(thm)],[f416]) ).

fof(f424,plain,
    ( memberP(sK47_skl,sK51_skl)
    | memberP(sK48_skl,sK51_skl) ),
    inference(cnf_transformation,[status(thm)],[f416]) ).

fof(f425,plain,
    ( ~ memberP(sK47_skl,sK51_skl)
    | ~ memberP(sK48_skl,sK51_skl) ),
    inference(cnf_transformation,[status(thm)],[f416]) ).

fof(f426,plain,
    ( nil != sK50_skl
    | nil = sK49_skl ),
    inference(cnf_transformation,[status(thm)],[f416]) ).

fof(f427,plain,
    ( ~ neq(sK50_skl,nil)
    | ssItem(sK52_skl) ),
    inference(cnf_transformation,[status(thm)],[f416]) ).

fof(f428,plain,
    ( ~ neq(sK50_skl,nil)
    | ssList(sK53_skl) ),
    inference(cnf_transformation,[status(thm)],[f416]) ).

fof(f429,plain,
    ( ~ neq(sK50_skl,nil)
    | app(cons(sK52_skl,nil),sK53_skl) = sK49_skl ),
    inference(cnf_transformation,[status(thm)],[f416]) ).

fof(f430,plain,
    ( ~ neq(sK50_skl,nil)
    | app(sK53_skl,cons(sK52_skl,nil)) = sK50_skl ),
    inference(cnf_transformation,[status(thm)],[f416]) ).

fof(f431,definition,
    ( sQ0_spl
  <=> memberP(sK48_skl,sK51_skl) ),
    introduced(definition,[new_symbols(definition,[sQ0_spl])],[split_symbol_definition]) ).

fof(f432,plain,
    ( ~ sQ0_spl
    | memberP(sK48_skl,sK51_skl) ),
    inference(component_clause,[status(thm)],[f431]) ).

fof(f433,plain,
    ( sQ0_spl
    | ~ memberP(sK48_skl,sK51_skl) ),
    inference(component_clause,[status(thm)],[f431]) ).

fof(f434,definition,
    ( sQ1_spl
  <=> memberP(sK47_skl,sK51_skl) ),
    introduced(definition,[new_symbols(definition,[sQ1_spl])],[split_symbol_definition]) ).

fof(f435,plain,
    ( ~ sQ1_spl
    | memberP(sK47_skl,sK51_skl) ),
    inference(component_clause,[status(thm)],[f434]) ).

fof(f436,plain,
    ( sQ1_spl
    | ~ memberP(sK47_skl,sK51_skl) ),
    inference(component_clause,[status(thm)],[f434]) ).

fof(f437,plain,
    ( sQ1_spl
    | sQ0_spl ),
    inference(split_clause,[status(thm)],[f424,f431,f434]) ).

fof(f438,plain,
    ( ~ sQ1_spl
    | ~ sQ0_spl ),
    inference(split_clause,[status(thm)],[f425,f431,f434]) ).

fof(f439,definition,
    ( sQ2_spl
  <=> nil = sK49_skl ),
    introduced(definition,[new_symbols(definition,[sQ2_spl])],[split_symbol_definition]) ).

fof(f440,plain,
    ( ~ sQ2_spl
    | nil = sK49_skl ),
    inference(component_clause,[status(thm)],[f439]) ).

fof(f442,definition,
    ( sQ3_spl
  <=> nil = sK50_skl ),
    introduced(definition,[new_symbols(definition,[sQ3_spl])],[split_symbol_definition]) ).

fof(f443,plain,
    ( ~ sQ3_spl
    | nil = sK50_skl ),
    inference(component_clause,[status(thm)],[f442]) ).

fof(f445,plain,
    ( ~ sQ3_spl
    | sQ2_spl ),
    inference(split_clause,[status(thm)],[f426,f439,f442]) ).

fof(f446,definition,
    ( sQ4_spl
  <=> ssItem(sK52_skl) ),
    introduced(definition,[new_symbols(definition,[sQ4_spl])],[split_symbol_definition]) ).

fof(f449,definition,
    ( sQ5_spl
  <=> neq(sK50_skl,nil) ),
    introduced(definition,[new_symbols(definition,[sQ5_spl])],[split_symbol_definition]) ).

fof(f451,plain,
    ( sQ5_spl
    | ~ neq(sK50_skl,nil) ),
    inference(component_clause,[status(thm)],[f449]) ).

fof(f452,plain,
    ( ~ sQ5_spl
    | sQ4_spl ),
    inference(split_clause,[status(thm)],[f427,f446,f449]) ).

fof(f453,definition,
    ( sQ6_spl
  <=> ssList(sK53_skl) ),
    introduced(definition,[new_symbols(definition,[sQ6_spl])],[split_symbol_definition]) ).

fof(f454,plain,
    ( ~ sQ6_spl
    | ssList(sK53_skl) ),
    inference(component_clause,[status(thm)],[f453]) ).

fof(f456,plain,
    ( ~ sQ5_spl
    | sQ6_spl ),
    inference(split_clause,[status(thm)],[f428,f453,f449]) ).

fof(f457,definition,
    ( sQ7_spl
  <=> app(cons(sK52_skl,nil),sK53_skl) = sK49_skl ),
    introduced(definition,[new_symbols(definition,[sQ7_spl])],[split_symbol_definition]) ).

fof(f458,plain,
    ( ~ sQ7_spl
    | app(cons(sK52_skl,nil),sK53_skl) = sK49_skl ),
    inference(component_clause,[status(thm)],[f457]) ).

fof(f460,plain,
    ( ~ sQ5_spl
    | sQ7_spl ),
    inference(split_clause,[status(thm)],[f429,f457,f449]) ).

fof(f461,definition,
    ( sQ8_spl
  <=> app(sK53_skl,cons(sK52_skl,nil)) = sK50_skl ),
    introduced(definition,[new_symbols(definition,[sQ8_spl])],[split_symbol_definition]) ).

fof(f462,plain,
    ( ~ sQ8_spl
    | app(sK53_skl,cons(sK52_skl,nil)) = sK50_skl ),
    inference(component_clause,[status(thm)],[f461]) ).

fof(f464,plain,
    ( ~ sQ5_spl
    | sQ8_spl ),
    inference(split_clause,[status(thm)],[f430,f461,f449]) ).

fof(f468,plain,
    ! [X0] :
      ( ~ ssItem(X0)
      | singletonP(cons(X0,nil))
      | ~ ssList(cons(X0,nil)) ),
    inference(destructive_equality_resolution,[status(thm)],[f118]) ).

fof(f469,plain,
    ! [X0,X1] :
      ( ~ ssList(X1)
      | frontsegP(app(X0,X1),X0)
      | ~ ssList(X0)
      | ~ ssList(app(X0,X1)) ),
    inference(destructive_equality_resolution,[status(thm)],[f124]) ).

fof(f470,plain,
    ! [X0,X1] :
      ( ~ ssList(X0)
      | rearsegP(app(X0,X1),X1)
      | ~ ssList(X1)
      | ~ ssList(app(X0,X1)) ),
    inference(destructive_equality_resolution,[status(thm)],[f130]) ).

fof(f482,plain,
    ! [X1,X2] :
      ( memberP(cons(X1,X2),X1)
      | ~ ssList(X2)
      | ~ ssItem(X1)
      | ~ ssItem(X1) ),
    inference(destructive_equality_resolution,[status(thm)],[f276]) ).

fof(f483,plain,
    ! [X0,X1] :
      ( memberP(cons(X0,X1),X0)
      | ~ ssList(X1)
      | ~ ssItem(X0) ),
    inference(duplicate_literals_removal,[status(thm)],[f482]) ).

fof(f499,plain,
    ( sQ0_spl
    | ~ memberP(sK50_skl,sK51_skl) ),
    inference(forward_demodulation,[status(thm)],[f421,f433]) ).

fof(f500,plain,
    ( ~ sQ1_spl
    | memberP(sK49_skl,sK51_skl) ),
    inference(forward_demodulation,[status(thm)],[f422,f435]) ).

fof(f501,plain,
    ! [X0] :
      ( ~ sQ2_spl
      | ~ memberP(sK49_skl,X0)
      | ~ ssItem(X0) ),
    inference(forward_demodulation,[status(thm)],[f440,f279]) ).

fof(f502,plain,
    ( ~ sQ1_spl
    | ~ sQ2_spl
    | ~ ssItem(sK51_skl) ),
    inference(resolution,[status(thm)],[f501,f500]) ).

fof(f503,plain,
    ( ~ sQ1_spl
    | ~ sQ2_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f502,f423]) ).

fof(f504,plain,
    ( ~ sQ1_spl
    | ~ sQ2_spl ),
    inference(contradiction_clause,[status(thm)],[f503]) ).

fof(f505,plain,
    ( sQ1_spl
    | ~ memberP(sK49_skl,sK51_skl) ),
    inference(forward_demodulation,[status(thm)],[f422,f436]) ).

fof(f506,plain,
    ( ~ sQ0_spl
    | memberP(sK50_skl,sK51_skl) ),
    inference(forward_demodulation,[status(thm)],[f421,f432]) ).

fof(f517,plain,
    ( sQ5_spl
    | sK50_skl = nil
    | ~ ssList(nil)
    | ~ ssList(sK50_skl) ),
    inference(resolution,[status(thm)],[f220,f451]) ).

fof(f520,definition,
    ( sQ11_spl
  <=> ssList(sK50_skl) ),
    introduced(definition,[new_symbols(definition,[sQ11_spl])],[split_symbol_definition]) ).

fof(f522,plain,
    ( sQ11_spl
    | ~ ssList(sK50_skl) ),
    inference(component_clause,[status(thm)],[f520]) ).

fof(f523,definition,
    ( sQ12_spl
  <=> ssList(nil) ),
    introduced(definition,[new_symbols(definition,[sQ12_spl])],[split_symbol_definition]) ).

fof(f525,plain,
    ( sQ12_spl
    | ~ ssList(nil) ),
    inference(component_clause,[status(thm)],[f523]) ).

fof(f526,plain,
    ( sQ5_spl
    | sQ3_spl
    | ~ sQ12_spl
    | ~ sQ11_spl ),
    inference(split_clause,[status(thm)],[f517,f520,f523,f442,f449]) ).

fof(f527,plain,
    ( sQ11_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f522,f420]) ).

fof(f528,plain,
    sQ11_spl,
    inference(contradiction_clause,[status(thm)],[f527]) ).

fof(f529,plain,
    ! [X0,X1] :
      ( X1 = X1
      | ~ ssItem(X1)
      | ~ ssItem(X1)
      | ~ ssList(X0)
      | ~ ssList(X0) ),
    inference(equality_resolution,[status(thm)],[f227]) ).

fof(f530,definition,
    ! [X0] :
      ( sQ13_spl
    <=> ( ~ ssList(X0)
        | ~ ssList(X0) ) ),
    introduced(definition,[new_symbols(definition,[sQ13_spl])],[split_symbol_definition]) ).

fof(f531,plain,
    ! [X0] :
      ( ~ sQ13_spl
      | ~ ssList(X0)
      | ~ ssList(X0) ),
    inference(component_clause,[status(thm)],[f530]) ).

fof(f533,definition,
    ! [X1] :
      ( sQ14_spl
    <=> ( X1 = X1
        | ~ ssItem(X1)
        | ~ ssItem(X1) ) ),
    introduced(definition,[new_symbols(definition,[sQ14_spl])],[split_symbol_definition]) ).

fof(f536,plain,
    ( sQ14_spl
    | sQ13_spl ),
    inference(split_clause,[status(thm)],[f529,f530,f533]) ).

fof(f537,plain,
    ! [X0] :
      ( ~ sQ13_spl
      | ~ ssList(X0) ),
    inference(duplicate_literals_removal,[status(thm)],[f531]) ).

fof(f539,definition,
    ! [X0] :
      ( sQ15_spl
    <=> ( X0 = X0
        | ~ ssList(X0)
        | ~ ssList(X0) ) ),
    introduced(definition,[new_symbols(definition,[sQ15_spl])],[split_symbol_definition]) ).

fof(f542,definition,
    ! [X1] :
      ( sQ16_spl
    <=> ( ~ ssItem(X1)
        | ~ ssItem(X1) ) ),
    introduced(definition,[new_symbols(definition,[sQ16_spl])],[split_symbol_definition]) ).

fof(f543,plain,
    ! [X0] :
      ( ~ sQ16_spl
      | ~ ssItem(X0)
      | ~ ssItem(X0) ),
    inference(component_clause,[status(thm)],[f542]) ).

fof(f546,plain,
    ( ~ sQ6_spl
    | ~ sQ13_spl
    | $false ),
    inference(backward_subsumption_resolution,[status(thm)],[f454,f537]) ).

fof(f550,plain,
    ( ~ sQ6_spl
    | ~ sQ13_spl ),
    inference(contradiction_clause,[status(thm)],[f546]) ).

fof(f560,plain,
    ( sQ12_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f525,f223]) ).

fof(f561,plain,
    sQ12_spl,
    inference(contradiction_clause,[status(thm)],[f560]) ).

fof(f566,plain,
    ! [X0] :
      ( ~ ssItem(X0)
      | singletonP(cons(X0,nil))
      | ~ ssItem(X0)
      | ~ ssList(nil) ),
    inference(resolution,[status(thm)],[f222,f468]) ).

fof(f567,definition,
    ! [X0] :
      ( sQ19_spl
    <=> ( ~ ssItem(X0)
        | singletonP(cons(X0,nil))
        | ~ ssItem(X0) ) ),
    introduced(definition,[new_symbols(definition,[sQ19_spl])],[split_symbol_definition]) ).

fof(f570,plain,
    ( sQ19_spl
    | ~ sQ12_spl ),
    inference(split_clause,[status(thm)],[f566,f523,f567]) ).

fof(f574,plain,
    ( ~ sQ7_spl
    | ssList(sK49_skl)
    | ~ ssList(sK53_skl)
    | ~ ssList(cons(sK52_skl,nil)) ),
    inference(paramodulation,[status(thm)],[f458,f245]) ).

fof(f575,definition,
    ( sQ20_spl
  <=> ssList(cons(sK52_skl,nil)) ),
    introduced(definition,[new_symbols(definition,[sQ20_spl])],[split_symbol_definition]) ).

fof(f577,plain,
    ( sQ20_spl
    | ~ ssList(cons(sK52_skl,nil)) ),
    inference(component_clause,[status(thm)],[f575]) ).

fof(f578,definition,
    ( sQ21_spl
  <=> ssList(sK49_skl) ),
    introduced(definition,[new_symbols(definition,[sQ21_spl])],[split_symbol_definition]) ).

fof(f581,plain,
    ( ~ sQ7_spl
    | sQ21_spl
    | ~ sQ6_spl
    | ~ sQ20_spl ),
    inference(split_clause,[status(thm)],[f574,f575,f453,f578,f457]) ).

fof(f582,plain,
    ( sQ20_spl
    | ~ ssItem(sK52_skl)
    | ~ ssList(nil) ),
    inference(resolution,[status(thm)],[f577,f222]) ).

fof(f583,plain,
    ( sQ20_spl
    | ~ sQ4_spl
    | ~ sQ12_spl ),
    inference(split_clause,[status(thm)],[f582,f523,f446,f575]) ).

fof(f584,plain,
    ! [X0] :
      ( ~ sQ7_spl
      | cons(X0,sK49_skl) = app(cons(X0,cons(sK52_skl,nil)),sK53_skl)
      | ~ ssItem(X0)
      | ~ ssList(cons(sK52_skl,nil))
      | ~ ssList(sK53_skl) ),
    inference(paramodulation,[status(thm)],[f458,f247]) ).

fof(f585,definition,
    ! [X0] :
      ( sQ22_spl
    <=> ( cons(X0,sK49_skl) = app(cons(X0,cons(sK52_skl,nil)),sK53_skl)
        | ~ ssItem(X0) ) ),
    introduced(definition,[new_symbols(definition,[sQ22_spl])],[split_symbol_definition]) ).

fof(f588,plain,
    ( ~ sQ7_spl
    | sQ22_spl
    | ~ sQ20_spl
    | ~ sQ6_spl ),
    inference(split_clause,[status(thm)],[f584,f453,f575,f585,f457]) ).

fof(f589,plain,
    ! [X0] :
      ( ~ sQ7_spl
      | memberP(sK53_skl,X0)
      | memberP(cons(sK52_skl,nil),X0)
      | ~ memberP(sK49_skl,X0)
      | ~ ssList(sK53_skl)
      | ~ ssList(cons(sK52_skl,nil))
      | ~ ssItem(X0) ),
    inference(paramodulation,[status(thm)],[f458,f270]) ).

fof(f590,definition,
    ! [X0] :
      ( sQ23_spl
    <=> ( memberP(sK53_skl,X0)
        | memberP(cons(sK52_skl,nil),X0)
        | ~ memberP(sK49_skl,X0)
        | ~ ssItem(X0) ) ),
    introduced(definition,[new_symbols(definition,[sQ23_spl])],[split_symbol_definition]) ).

fof(f593,plain,
    ( ~ sQ7_spl
    | ~ sQ6_spl
    | ~ sQ20_spl
    | sQ23_spl ),
    inference(split_clause,[status(thm)],[f589,f590,f575,f453,f457]) ).

fof(f594,plain,
    ! [X0,X1] :
      ( ~ ssList(X1)
      | frontsegP(app(X0,X1),X0)
      | ~ ssList(X0) ),
    inference(forward_subsumption_resolution,[status(thm)],[f469,f245]) ).

fof(f595,plain,
    ( ~ sQ7_spl
    | ~ ssList(sK53_skl)
    | frontsegP(sK49_skl,cons(sK52_skl,nil))
    | ~ ssList(cons(sK52_skl,nil)) ),
    inference(paramodulation,[status(thm)],[f458,f594]) ).

fof(f596,definition,
    ( sQ24_spl
  <=> frontsegP(sK49_skl,cons(sK52_skl,nil)) ),
    introduced(definition,[new_symbols(definition,[sQ24_spl])],[split_symbol_definition]) ).

fof(f599,plain,
    ( ~ sQ7_spl
    | ~ sQ6_spl
    | sQ24_spl
    | ~ sQ20_spl ),
    inference(split_clause,[status(thm)],[f595,f575,f596,f453,f457]) ).

fof(f600,plain,
    ( ~ sQ8_spl
    | ~ ssList(cons(sK52_skl,nil))
    | frontsegP(sK50_skl,sK53_skl)
    | ~ ssList(sK53_skl) ),
    inference(paramodulation,[status(thm)],[f462,f594]) ).

fof(f601,plain,
    ! [X0] :
      ( ~ sQ8_spl
      | memberP(cons(sK52_skl,nil),X0)
      | memberP(sK53_skl,X0)
      | ~ memberP(sK50_skl,X0)
      | ~ ssList(cons(sK52_skl,nil))
      | ~ ssList(sK53_skl)
      | ~ ssItem(X0) ),
    inference(paramodulation,[status(thm)],[f462,f270]) ).

fof(f602,plain,
    ! [X0] :
      ( ~ sQ8_spl
      | cons(X0,sK50_skl) = app(cons(X0,sK53_skl),cons(sK52_skl,nil))
      | ~ ssItem(X0)
      | ~ ssList(sK53_skl)
      | ~ ssList(cons(sK52_skl,nil)) ),
    inference(paramodulation,[status(thm)],[f462,f247]) ).

fof(f604,definition,
    ( sQ25_spl
  <=> frontsegP(sK50_skl,sK53_skl) ),
    introduced(definition,[new_symbols(definition,[sQ25_spl])],[split_symbol_definition]) ).

fof(f607,plain,
    ( ~ sQ8_spl
    | ~ sQ20_spl
    | sQ25_spl
    | ~ sQ6_spl ),
    inference(split_clause,[status(thm)],[f600,f453,f604,f575,f461]) ).

fof(f608,definition,
    ! [X0] :
      ( sQ26_spl
    <=> ( memberP(cons(sK52_skl,nil),X0)
        | memberP(sK53_skl,X0)
        | ~ memberP(sK50_skl,X0)
        | ~ ssItem(X0) ) ),
    introduced(definition,[new_symbols(definition,[sQ26_spl])],[split_symbol_definition]) ).

fof(f609,plain,
    ! [X0] :
      ( ~ sQ26_spl
      | memberP(cons(sK52_skl,nil),X0)
      | memberP(sK53_skl,X0)
      | ~ memberP(sK50_skl,X0)
      | ~ ssItem(X0) ),
    inference(component_clause,[status(thm)],[f608]) ).

fof(f611,plain,
    ( ~ sQ8_spl
    | ~ sQ20_spl
    | ~ sQ6_spl
    | sQ26_spl ),
    inference(split_clause,[status(thm)],[f601,f608,f453,f575,f461]) ).

fof(f612,definition,
    ! [X0] :
      ( sQ27_spl
    <=> ( cons(X0,sK50_skl) = app(cons(X0,sK53_skl),cons(sK52_skl,nil))
        | ~ ssItem(X0) ) ),
    introduced(definition,[new_symbols(definition,[sQ27_spl])],[split_symbol_definition]) ).

fof(f615,plain,
    ( ~ sQ8_spl
    | sQ27_spl
    | ~ sQ6_spl
    | ~ sQ20_spl ),
    inference(split_clause,[status(thm)],[f602,f575,f453,f612,f461]) ).

fof(f617,plain,
    ( ~ ssList(nil)
    | nil = nil
    | ~ ssList(nil)
    | ~ ssList(nil) ),
    inference(resolution,[status(thm)],[f385,f249]) ).

fof(f618,plain,
    ! [X0] :
      ( ~ frontsegP(nil,X0)
      | ~ ssList(X0)
      | ~ ssList(nil)
      | nil = sK5_skl(X0,nil)
      | ~ ssList(sK5_skl(X0,nil))
      | ~ ssList(X0) ),
    inference(resolution,[status(thm)],[f385,f123]) ).

fof(f622,definition,
    ( sQ28_spl
  <=> nil = nil ),
    introduced(definition,[new_symbols(definition,[sQ28_spl])],[split_symbol_definition]) ).

fof(f625,plain,
    ( sQ28_spl
    | ~ sQ12_spl ),
    inference(split_clause,[status(thm)],[f617,f523,f622]) ).

fof(f626,definition,
    ! [X0] :
      ( sQ29_spl
    <=> ( ~ frontsegP(nil,X0)
        | ~ ssList(X0)
        | nil = sK5_skl(X0,nil)
        | ~ ssList(sK5_skl(X0,nil))
        | ~ ssList(X0) ) ),
    introduced(definition,[new_symbols(definition,[sQ29_spl])],[split_symbol_definition]) ).

fof(f629,plain,
    ( ~ sQ12_spl
    | sQ29_spl ),
    inference(split_clause,[status(thm)],[f618,f626,f523]) ).

fof(f631,definition,
    ( sQ30_spl
  <=> nil = cons(sK52_skl,nil) ),
    introduced(definition,[new_symbols(definition,[sQ30_spl])],[split_symbol_definition]) ).

fof(f632,plain,
    ( ~ sQ30_spl
    | nil = cons(sK52_skl,nil) ),
    inference(component_clause,[status(thm)],[f631]) ).

fof(f647,plain,
    ( ~ sQ30_spl
    | ~ ssItem(sK52_skl)
    | ~ ssList(nil) ),
    inference(resolution,[status(thm)],[f632,f235]) ).

fof(f662,plain,
    ( ~ sQ30_spl
    | ~ sQ4_spl
    | ~ sQ12_spl ),
    inference(split_clause,[status(thm)],[f647,f523,f446,f631]) ).

fof(f721,plain,
    ! [X0] :
      ( ~ frontsegP(nil,X0)
      | ~ ssList(X0)
      | ~ ssList(nil)
      | nil = X0
      | ~ ssList(sK5_skl(X0,nil))
      | ~ ssList(X0) ),
    inference(resolution,[status(thm)],[f386,f123]) ).

fof(f723,plain,
    ( ~ sQ7_spl
    | nil = cons(sK52_skl,nil)
    | nil != sK49_skl
    | ~ ssList(sK53_skl)
    | ~ ssList(cons(sK52_skl,nil)) ),
    inference(paramodulation,[status(thm)],[f458,f386]) ).

fof(f726,definition,
    ! [X0] :
      ( sQ40_spl
    <=> ( ~ frontsegP(nil,X0)
        | ~ ssList(X0)
        | nil = X0
        | ~ ssList(sK5_skl(X0,nil))
        | ~ ssList(X0) ) ),
    introduced(definition,[new_symbols(definition,[sQ40_spl])],[split_symbol_definition]) ).

fof(f727,plain,
    ! [X0] :
      ( ~ sQ40_spl
      | ~ frontsegP(nil,X0)
      | ~ ssList(X0)
      | nil = X0
      | ~ ssList(sK5_skl(X0,nil))
      | ~ ssList(X0) ),
    inference(component_clause,[status(thm)],[f726]) ).

fof(f729,plain,
    ( ~ sQ12_spl
    | sQ40_spl ),
    inference(split_clause,[status(thm)],[f721,f726,f523]) ).

fof(f731,plain,
    ( ~ sQ7_spl
    | sQ30_spl
    | ~ sQ2_spl
    | ~ sQ6_spl
    | ~ sQ20_spl ),
    inference(split_clause,[status(thm)],[f723,f575,f453,f439,f631,f457]) ).

fof(f733,plain,
    ! [X0] :
      ( ~ sQ40_spl
      | ~ frontsegP(nil,X0)
      | nil = X0
      | ~ ssList(sK5_skl(X0,nil))
      | ~ ssList(X0) ),
    inference(duplicate_literals_removal,[status(thm)],[f727]) ).

fof(f734,plain,
    ( ~ sQ7_spl
    | cons(sK52_skl,sK53_skl) = sK49_skl
    | ~ ssItem(sK52_skl)
    | ~ ssList(sK53_skl) ),
    inference(paramodulation,[status(thm)],[f458,f380]) ).

fof(f735,definition,
    ( sQ41_spl
  <=> cons(sK52_skl,sK53_skl) = sK49_skl ),
    introduced(definition,[new_symbols(definition,[sQ41_spl])],[split_symbol_definition]) ).

fof(f736,plain,
    ( ~ sQ41_spl
    | cons(sK52_skl,sK53_skl) = sK49_skl ),
    inference(component_clause,[status(thm)],[f735]) ).

fof(f738,plain,
    ( ~ sQ7_spl
    | sQ41_spl
    | ~ sQ4_spl
    | ~ sQ6_spl ),
    inference(split_clause,[status(thm)],[f734,f453,f446,f735,f457]) ).

fof(f740,plain,
    ! [X0] :
      ( ~ sQ7_spl
      | ~ memberP(cons(sK52_skl,nil),X0)
      | memberP(sK49_skl,X0)
      | ~ ssList(sK53_skl)
      | ~ ssList(cons(sK52_skl,nil))
      | ~ ssItem(X0) ),
    inference(paramodulation,[status(thm)],[f458,f271]) ).

fof(f741,plain,
    ! [X0] :
      ( ~ sQ8_spl
      | ~ memberP(sK53_skl,X0)
      | memberP(sK50_skl,X0)
      | ~ ssList(cons(sK52_skl,nil))
      | ~ ssList(sK53_skl)
      | ~ ssItem(X0) ),
    inference(paramodulation,[status(thm)],[f462,f271]) ).

fof(f742,definition,
    ! [X0] :
      ( sQ42_spl
    <=> ( ~ memberP(cons(sK52_skl,nil),X0)
        | memberP(sK49_skl,X0)
        | ~ ssItem(X0) ) ),
    introduced(definition,[new_symbols(definition,[sQ42_spl])],[split_symbol_definition]) ).

fof(f743,plain,
    ! [X0] :
      ( ~ sQ42_spl
      | ~ memberP(cons(sK52_skl,nil),X0)
      | memberP(sK49_skl,X0)
      | ~ ssItem(X0) ),
    inference(component_clause,[status(thm)],[f742]) ).

fof(f745,plain,
    ( ~ sQ7_spl
    | ~ sQ6_spl
    | ~ sQ20_spl
    | sQ42_spl ),
    inference(split_clause,[status(thm)],[f740,f742,f575,f453,f457]) ).

fof(f746,definition,
    ! [X0] :
      ( sQ43_spl
    <=> ( ~ memberP(sK53_skl,X0)
        | memberP(sK50_skl,X0)
        | ~ ssItem(X0) ) ),
    introduced(definition,[new_symbols(definition,[sQ43_spl])],[split_symbol_definition]) ).

fof(f747,plain,
    ! [X0] :
      ( ~ sQ43_spl
      | ~ memberP(sK53_skl,X0)
      | memberP(sK50_skl,X0)
      | ~ ssItem(X0) ),
    inference(component_clause,[status(thm)],[f746]) ).

fof(f749,plain,
    ( ~ sQ8_spl
    | ~ sQ20_spl
    | ~ sQ6_spl
    | sQ43_spl ),
    inference(split_clause,[status(thm)],[f741,f746,f453,f575,f461]) ).

fof(f752,plain,
    ! [X0] :
      ( ~ sQ8_spl
      | ~ memberP(cons(sK52_skl,nil),X0)
      | memberP(sK50_skl,X0)
      | ~ ssList(cons(sK52_skl,nil))
      | ~ ssList(sK53_skl)
      | ~ ssItem(X0) ),
    inference(paramodulation,[status(thm)],[f462,f272]) ).

fof(f753,definition,
    ! [X0] :
      ( sQ44_spl
    <=> ( ~ memberP(sK53_skl,X0)
        | memberP(sK49_skl,X0)
        | ~ ssItem(X0) ) ),
    introduced(definition,[new_symbols(definition,[sQ44_spl])],[split_symbol_definition]) ).

fof(f754,plain,
    ! [X0] :
      ( ~ sQ44_spl
      | ~ memberP(sK53_skl,X0)
      | memberP(sK49_skl,X0)
      | ~ ssItem(X0) ),
    inference(component_clause,[status(thm)],[f753]) ).

fof(f757,definition,
    ! [X0] :
      ( sQ45_spl
    <=> ( ~ memberP(cons(sK52_skl,nil),X0)
        | memberP(sK50_skl,X0)
        | ~ ssItem(X0) ) ),
    introduced(definition,[new_symbols(definition,[sQ45_spl])],[split_symbol_definition]) ).

fof(f758,plain,
    ! [X0] :
      ( ~ sQ45_spl
      | ~ memberP(cons(sK52_skl,nil),X0)
      | memberP(sK50_skl,X0)
      | ~ ssItem(X0) ),
    inference(component_clause,[status(thm)],[f757]) ).

fof(f760,plain,
    ( ~ sQ8_spl
    | ~ sQ20_spl
    | ~ sQ6_spl
    | sQ45_spl ),
    inference(split_clause,[status(thm)],[f752,f757,f453,f575,f461]) ).

fof(f761,plain,
    ( ~ sQ41_spl
    | memberP(sK49_skl,sK52_skl)
    | ~ ssList(sK53_skl)
    | ~ ssItem(sK52_skl) ),
    inference(paramodulation,[status(thm)],[f736,f483]) ).

fof(f764,plain,
    ( ~ sQ41_spl
    | sK49_skl != sK53_skl
    | ~ ssItem(sK52_skl)
    | ~ ssList(sK53_skl) ),
    inference(paramodulation,[status(thm)],[f736,f225]) ).

fof(f765,definition,
    ( sQ46_spl
  <=> memberP(sK49_skl,sK52_skl) ),
    introduced(definition,[new_symbols(definition,[sQ46_spl])],[split_symbol_definition]) ).

fof(f768,plain,
    ( ~ sQ41_spl
    | sQ46_spl
    | ~ sQ6_spl
    | ~ sQ4_spl ),
    inference(split_clause,[status(thm)],[f761,f446,f453,f765,f735]) ).

fof(f771,definition,
    ( sQ47_spl
  <=> sK49_skl = sK53_skl ),
    introduced(definition,[new_symbols(definition,[sQ47_spl])],[split_symbol_definition]) ).

fof(f774,plain,
    ( ~ sQ41_spl
    | ~ sQ47_spl
    | ~ sQ4_spl
    | ~ sQ6_spl ),
    inference(split_clause,[status(thm)],[f764,f453,f446,f771,f735]) ).

fof(f775,plain,
    ! [X0] :
      ( nil = sK6_skl(X0,nil)
      | ~ ssList(X0)
      | ~ ssList(sK6_skl(X0,nil))
      | ~ rearsegP(nil,X0)
      | ~ ssList(X0)
      | ~ ssList(nil) ),
    inference(resolution,[status(thm)],[f129,f386]) ).

fof(f776,plain,
    ! [X0] :
      ( nil = X0
      | ~ ssList(X0)
      | ~ ssList(sK6_skl(X0,nil))
      | ~ rearsegP(nil,X0)
      | ~ ssList(X0)
      | ~ ssList(nil) ),
    inference(resolution,[status(thm)],[f129,f385]) ).

fof(f777,definition,
    ! [X0] :
      ( sQ48_spl
    <=> ( nil = sK6_skl(X0,nil)
        | ~ ssList(X0)
        | ~ ssList(sK6_skl(X0,nil))
        | ~ rearsegP(nil,X0)
        | ~ ssList(X0) ) ),
    introduced(definition,[new_symbols(definition,[sQ48_spl])],[split_symbol_definition]) ).

fof(f780,plain,
    ( sQ48_spl
    | ~ sQ12_spl ),
    inference(split_clause,[status(thm)],[f775,f523,f777]) ).

fof(f781,definition,
    ! [X0] :
      ( sQ49_spl
    <=> ( nil = X0
        | ~ ssList(X0)
        | ~ ssList(sK6_skl(X0,nil))
        | ~ rearsegP(nil,X0)
        | ~ ssList(X0) ) ),
    introduced(definition,[new_symbols(definition,[sQ49_spl])],[split_symbol_definition]) ).

fof(f782,plain,
    ! [X0] :
      ( ~ sQ49_spl
      | nil = X0
      | ~ ssList(X0)
      | ~ ssList(sK6_skl(X0,nil))
      | ~ rearsegP(nil,X0)
      | ~ ssList(X0) ),
    inference(component_clause,[status(thm)],[f781]) ).

fof(f784,plain,
    ( sQ49_spl
    | ~ sQ12_spl ),
    inference(split_clause,[status(thm)],[f776,f523,f781]) ).

fof(f786,plain,
    ! [X0] :
      ( ~ sQ49_spl
      | nil = X0
      | ~ ssList(sK6_skl(X0,nil))
      | ~ rearsegP(nil,X0)
      | ~ ssList(X0) ),
    inference(duplicate_literals_removal,[status(thm)],[f782]) ).

fof(f787,plain,
    ! [X0,X1] :
      ( ~ ssList(X1)
      | rearsegP(app(X1,X0),X0)
      | ~ ssList(X0) ),
    inference(forward_subsumption_resolution,[status(thm)],[f470,f245]) ).

fof(f788,plain,
    ( ~ sQ7_spl
    | ~ ssList(cons(sK52_skl,nil))
    | rearsegP(sK49_skl,sK53_skl)
    | ~ ssList(sK53_skl) ),
    inference(paramodulation,[status(thm)],[f458,f787]) ).

fof(f789,plain,
    ( ~ sQ8_spl
    | ~ ssList(sK53_skl)
    | rearsegP(sK50_skl,cons(sK52_skl,nil))
    | ~ ssList(cons(sK52_skl,nil)) ),
    inference(paramodulation,[status(thm)],[f462,f787]) ).

fof(f790,definition,
    ( sQ50_spl
  <=> rearsegP(sK49_skl,sK53_skl) ),
    introduced(definition,[new_symbols(definition,[sQ50_spl])],[split_symbol_definition]) ).

fof(f793,plain,
    ( ~ sQ7_spl
    | ~ sQ20_spl
    | sQ50_spl
    | ~ sQ6_spl ),
    inference(split_clause,[status(thm)],[f788,f453,f790,f575,f457]) ).

fof(f794,definition,
    ( sQ51_spl
  <=> rearsegP(sK50_skl,cons(sK52_skl,nil)) ),
    introduced(definition,[new_symbols(definition,[sQ51_spl])],[split_symbol_definition]) ).

fof(f797,plain,
    ( ~ sQ8_spl
    | ~ sQ6_spl
    | sQ51_spl
    | ~ sQ20_spl ),
    inference(split_clause,[status(thm)],[f789,f575,f794,f453,f461]) ).

fof(f800,plain,
    ! [X0] :
      ( ~ sQ42_spl
      | ~ sQ26_spl
      | memberP(sK49_skl,X0)
      | ~ ssItem(X0)
      | memberP(sK53_skl,X0)
      | ~ memberP(sK50_skl,X0)
      | ~ ssItem(X0) ),
    inference(resolution,[status(thm)],[f609,f743]) ).

fof(f801,plain,
    ! [X0] :
      ( ~ sQ42_spl
      | ~ sQ26_spl
      | memberP(sK49_skl,X0)
      | memberP(sK53_skl,X0)
      | ~ memberP(sK50_skl,X0)
      | ~ ssItem(X0) ),
    inference(duplicate_literals_removal,[status(thm)],[f800]) ).

fof(f802,plain,
    ! [X0] :
      ( ~ sQ42_spl
      | ~ sQ26_spl
      | ~ sQ44_spl
      | memberP(sK49_skl,X0)
      | ~ memberP(sK50_skl,X0)
      | ~ ssItem(X0) ),
    inference(forward_subsumption_resolution,[status(thm)],[f801,f754]) ).

fof(f804,plain,
    ( ~ sQ45_spl
    | ~ ssList(nil)
    | ~ ssItem(sK52_skl)
    | memberP(sK50_skl,sK52_skl)
    | ~ ssItem(sK52_skl) ),
    inference(resolution,[status(thm)],[f758,f483]) ).

fof(f805,definition,
    ( sQ52_spl
  <=> memberP(sK50_skl,sK52_skl) ),
    introduced(definition,[new_symbols(definition,[sQ52_spl])],[split_symbol_definition]) ).

fof(f806,plain,
    ( ~ sQ52_spl
    | memberP(sK50_skl,sK52_skl) ),
    inference(component_clause,[status(thm)],[f805]) ).

fof(f808,plain,
    ( ~ sQ45_spl
    | ~ sQ12_spl
    | sQ52_spl
    | ~ sQ4_spl ),
    inference(split_clause,[status(thm)],[f804,f446,f805,f523,f757]) ).

fof(f811,plain,
    ! [X0] :
      ( ~ sQ40_spl
      | ~ frontsegP(nil,X0)
      | ~ ssList(X0)
      | ~ ssList(nil)
      | ~ frontsegP(nil,X0)
      | nil = X0
      | ~ ssList(X0) ),
    inference(resolution,[status(thm)],[f733,f122]) ).

fof(f812,definition,
    ! [X0] :
      ( sQ53_spl
    <=> ( ~ frontsegP(nil,X0)
        | ~ ssList(X0)
        | ~ frontsegP(nil,X0)
        | nil = X0
        | ~ ssList(X0) ) ),
    introduced(definition,[new_symbols(definition,[sQ53_spl])],[split_symbol_definition]) ).

fof(f815,plain,
    ( ~ sQ40_spl
    | ~ sQ12_spl
    | sQ53_spl ),
    inference(split_clause,[status(thm)],[f811,f812,f523,f726]) ).

fof(f821,plain,
    ! [X0] :
      ( ~ sQ49_spl
      | ~ rearsegP(nil,X0)
      | ~ ssList(X0)
      | ~ ssList(nil)
      | nil = X0
      | ~ rearsegP(nil,X0)
      | ~ ssList(X0) ),
    inference(resolution,[status(thm)],[f786,f128]) ).

fof(f822,definition,
    ! [X0] :
      ( sQ54_spl
    <=> ( ~ rearsegP(nil,X0)
        | ~ ssList(X0)
        | nil = X0
        | ~ rearsegP(nil,X0)
        | ~ ssList(X0) ) ),
    introduced(definition,[new_symbols(definition,[sQ54_spl])],[split_symbol_definition]) ).

fof(f825,plain,
    ( ~ sQ49_spl
    | ~ sQ12_spl
    | sQ54_spl ),
    inference(split_clause,[status(thm)],[f821,f822,f523,f781]) ).

fof(f832,plain,
    ! [X0] :
      ( ~ ssList(app(X0,nil))
      | app(X0,nil) = X0
      | ~ ssList(app(X0,nil))
      | ~ ssList(nil)
      | ~ ssList(X0) ),
    inference(resolution,[status(thm)],[f376,f389]) ).

fof(f835,plain,
    ! [X0] :
      ( ~ sQ7_spl
      | cons(sK52_skl,nil) = X0
      | sK49_skl != app(X0,sK53_skl)
      | ~ ssList(cons(sK52_skl,nil))
      | ~ ssList(sK53_skl)
      | ~ ssList(X0) ),
    inference(paramodulation,[status(thm)],[f458,f376]) ).

fof(f836,plain,
    ! [X0] :
      ( ~ sQ8_spl
      | sK53_skl = X0
      | sK50_skl != app(X0,cons(sK52_skl,nil))
      | ~ ssList(sK53_skl)
      | ~ ssList(cons(sK52_skl,nil))
      | ~ ssList(X0) ),
    inference(paramodulation,[status(thm)],[f462,f376]) ).

fof(f839,plain,
    ! [X0,X1] :
      ( X0 = X0
      | ~ ssList(X0)
      | ~ ssList(X1)
      | ~ ssList(X0) ),
    inference(equality_resolution,[status(thm)],[f376]) ).

fof(f842,definition,
    ! [X0] :
      ( sQ55_spl
    <=> ( ~ ssList(app(X0,nil))
        | app(X0,nil) = X0
        | ~ ssList(app(X0,nil))
        | ~ ssList(X0) ) ),
    introduced(definition,[new_symbols(definition,[sQ55_spl])],[split_symbol_definition]) ).

fof(f845,plain,
    ( ~ sQ12_spl
    | sQ55_spl ),
    inference(split_clause,[status(thm)],[f832,f842,f523]) ).

fof(f849,definition,
    ! [X0] :
      ( sQ56_spl
    <=> ( cons(sK52_skl,nil) = X0
        | sK49_skl != app(X0,sK53_skl)
        | ~ ssList(X0) ) ),
    introduced(definition,[new_symbols(definition,[sQ56_spl])],[split_symbol_definition]) ).

fof(f850,plain,
    ! [X0] :
      ( ~ sQ56_spl
      | cons(sK52_skl,nil) = X0
      | sK49_skl != app(X0,sK53_skl)
      | ~ ssList(X0) ),
    inference(component_clause,[status(thm)],[f849]) ).

fof(f852,plain,
    ( ~ sQ7_spl
    | ~ sQ20_spl
    | ~ sQ6_spl
    | sQ56_spl ),
    inference(split_clause,[status(thm)],[f835,f849,f453,f575,f457]) ).

fof(f853,definition,
    ! [X0] :
      ( sQ57_spl
    <=> ( sK53_skl = X0
        | sK50_skl != app(X0,cons(sK52_skl,nil))
        | ~ ssList(X0) ) ),
    introduced(definition,[new_symbols(definition,[sQ57_spl])],[split_symbol_definition]) ).

fof(f856,plain,
    ( ~ sQ8_spl
    | ~ sQ6_spl
    | ~ sQ20_spl
    | sQ57_spl ),
    inference(split_clause,[status(thm)],[f836,f853,f575,f453,f461]) ).

fof(f859,definition,
    ! [X1] :
      ( sQ58_spl
    <=> ~ ssList(X1) ),
    introduced(definition,[new_symbols(definition,[sQ58_spl])],[split_symbol_definition]) ).

fof(f860,plain,
    ! [X0] :
      ( ~ sQ58_spl
      | ~ ssList(X0) ),
    inference(component_clause,[status(thm)],[f859]) ).

fof(f862,plain,
    ( sQ58_spl
    | sQ15_spl ),
    inference(split_clause,[status(thm)],[f839,f539,f859]) ).

fof(f864,plain,
    ( ~ sQ56_spl
    | ~ ssItem(sK52_skl)
    | ~ ssList(nil)
    | sK49_skl != app(nil,sK53_skl)
    | ~ ssList(nil) ),
    inference(resolution,[status(thm)],[f850,f225]) ).

fof(f865,plain,
    ! [X0] :
      ( ~ sQ56_spl
      | ~ ssItem(X0)
      | ~ ssList(cons(sK52_skl,nil))
      | sK49_skl != app(cons(X0,cons(sK52_skl,nil)),sK53_skl)
      | ~ ssList(cons(X0,cons(sK52_skl,nil))) ),
    inference(resolution,[status(thm)],[f850,f225]) ).

fof(f868,definition,
    ( sQ59_spl
  <=> sK49_skl = app(nil,sK53_skl) ),
    introduced(definition,[new_symbols(definition,[sQ59_spl])],[split_symbol_definition]) ).

fof(f871,plain,
    ( ~ sQ56_spl
    | ~ sQ4_spl
    | ~ sQ59_spl
    | ~ sQ12_spl ),
    inference(split_clause,[status(thm)],[f864,f523,f868,f446,f849]) ).

fof(f872,definition,
    ! [X0] :
      ( sQ60_spl
    <=> ( ~ ssItem(X0)
        | sK49_skl != app(cons(X0,cons(sK52_skl,nil)),sK53_skl)
        | ~ ssList(cons(X0,cons(sK52_skl,nil))) ) ),
    introduced(definition,[new_symbols(definition,[sQ60_spl])],[split_symbol_definition]) ).

fof(f875,plain,
    ( ~ sQ56_spl
    | ~ sQ20_spl
    | sQ60_spl ),
    inference(split_clause,[status(thm)],[f865,f872,f575,f849]) ).

fof(f878,plain,
    ! [X0] :
      ( ~ sQ26_spl
      | memberP(sK53_skl,X0)
      | ~ memberP(sK50_skl,X0)
      | ~ ssItem(X0)
      | memberP(nil,X0)
      | X0 = sK52_skl
      | ~ ssList(nil)
      | ~ ssItem(sK52_skl)
      | ~ ssItem(X0) ),
    inference(resolution,[status(thm)],[f275,f609]) ).

fof(f880,plain,
    ! [X0] :
      ( ~ sQ41_spl
      | memberP(sK53_skl,X0)
      | X0 = sK52_skl
      | ~ memberP(sK49_skl,X0)
      | ~ ssList(sK53_skl)
      | ~ ssItem(sK52_skl)
      | ~ ssItem(X0) ),
    inference(paramodulation,[status(thm)],[f736,f275]) ).

fof(f881,definition,
    ! [X0] :
      ( sQ61_spl
    <=> ( memberP(sK53_skl,X0)
        | ~ memberP(sK50_skl,X0)
        | ~ ssItem(X0)
        | memberP(nil,X0)
        | X0 = sK52_skl
        | ~ ssItem(X0) ) ),
    introduced(definition,[new_symbols(definition,[sQ61_spl])],[split_symbol_definition]) ).

fof(f884,plain,
    ( ~ sQ26_spl
    | ~ sQ12_spl
    | ~ sQ4_spl
    | sQ61_spl ),
    inference(split_clause,[status(thm)],[f878,f881,f446,f523,f608]) ).

fof(f885,definition,
    ! [X0] :
      ( sQ62_spl
    <=> ( memberP(sK53_skl,X0)
        | X0 = sK52_skl
        | ~ memberP(sK49_skl,X0)
        | ~ ssItem(X0) ) ),
    introduced(definition,[new_symbols(definition,[sQ62_spl])],[split_symbol_definition]) ).

fof(f886,plain,
    ! [X0] :
      ( ~ sQ62_spl
      | memberP(sK53_skl,X0)
      | X0 = sK52_skl
      | ~ memberP(sK49_skl,X0)
      | ~ ssItem(X0) ),
    inference(component_clause,[status(thm)],[f885]) ).

fof(f888,plain,
    ( ~ sQ41_spl
    | ~ sQ6_spl
    | ~ sQ4_spl
    | sQ62_spl ),
    inference(split_clause,[status(thm)],[f880,f885,f446,f453,f735]) ).

fof(f891,plain,
    ! [X0] :
      ( ~ sQ45_spl
      | memberP(sK50_skl,X0)
      | ~ ssItem(X0)
      | ~ memberP(nil,X0)
      | ~ ssList(nil)
      | ~ ssItem(sK52_skl)
      | ~ ssItem(X0) ),
    inference(resolution,[status(thm)],[f277,f758]) ).

fof(f892,plain,
    ! [X0] :
      ( ~ sQ42_spl
      | memberP(sK49_skl,X0)
      | ~ ssItem(X0)
      | ~ memberP(nil,X0)
      | ~ ssList(nil)
      | ~ ssItem(sK52_skl)
      | ~ ssItem(X0) ),
    inference(resolution,[status(thm)],[f277,f743]) ).

fof(f894,plain,
    ! [X0] :
      ( ~ sQ41_spl
      | ~ memberP(sK53_skl,X0)
      | memberP(sK49_skl,X0)
      | ~ ssList(sK53_skl)
      | ~ ssItem(sK52_skl)
      | ~ ssItem(X0) ),
    inference(paramodulation,[status(thm)],[f736,f277]) ).

fof(f895,definition,
    ! [X0] :
      ( sQ63_spl
    <=> ( memberP(sK50_skl,X0)
        | ~ ssItem(X0)
        | ~ memberP(nil,X0)
        | ~ ssItem(X0) ) ),
    introduced(definition,[new_symbols(definition,[sQ63_spl])],[split_symbol_definition]) ).

fof(f898,plain,
    ( ~ sQ45_spl
    | ~ sQ12_spl
    | ~ sQ4_spl
    | sQ63_spl ),
    inference(split_clause,[status(thm)],[f891,f895,f446,f523,f757]) ).

fof(f899,definition,
    ! [X0] :
      ( sQ64_spl
    <=> ( memberP(sK49_skl,X0)
        | ~ ssItem(X0)
        | ~ memberP(nil,X0)
        | ~ ssItem(X0) ) ),
    introduced(definition,[new_symbols(definition,[sQ64_spl])],[split_symbol_definition]) ).

fof(f902,plain,
    ( ~ sQ42_spl
    | ~ sQ12_spl
    | ~ sQ4_spl
    | sQ64_spl ),
    inference(split_clause,[status(thm)],[f892,f899,f446,f523,f742]) ).

fof(f903,plain,
    ( ~ sQ41_spl
    | ~ sQ6_spl
    | ~ sQ4_spl
    | sQ44_spl ),
    inference(split_clause,[status(thm)],[f894,f753,f446,f453,f735]) ).

fof(f906,plain,
    ! [X0] :
      ( nil = app(sK7_skl(X0,nil),X0)
      | ~ ssList(sK8_skl(X0,nil))
      | ~ ssList(app(sK7_skl(X0,nil),X0))
      | ~ segmentP(nil,X0)
      | ~ ssList(X0)
      | ~ ssList(nil) ),
    inference(resolution,[status(thm)],[f136,f386]) ).

fof(f907,plain,
    ! [X0] :
      ( nil = sK8_skl(X0,nil)
      | ~ ssList(sK8_skl(X0,nil))
      | ~ ssList(app(sK7_skl(X0,nil),X0))
      | ~ segmentP(nil,X0)
      | ~ ssList(X0)
      | ~ ssList(nil) ),
    inference(resolution,[status(thm)],[f136,f385]) ).

fof(f908,definition,
    ! [X0] :
      ( sQ65_spl
    <=> ( nil = app(sK7_skl(X0,nil),X0)
        | ~ ssList(sK8_skl(X0,nil))
        | ~ ssList(app(sK7_skl(X0,nil),X0))
        | ~ segmentP(nil,X0)
        | ~ ssList(X0) ) ),
    introduced(definition,[new_symbols(definition,[sQ65_spl])],[split_symbol_definition]) ).

fof(f911,plain,
    ( sQ65_spl
    | ~ sQ12_spl ),
    inference(split_clause,[status(thm)],[f906,f523,f908]) ).

fof(f912,definition,
    ! [X0] :
      ( sQ66_spl
    <=> ( nil = sK8_skl(X0,nil)
        | ~ ssList(sK8_skl(X0,nil))
        | ~ ssList(app(sK7_skl(X0,nil),X0))
        | ~ segmentP(nil,X0)
        | ~ ssList(X0) ) ),
    introduced(definition,[new_symbols(definition,[sQ66_spl])],[split_symbol_definition]) ).

fof(f915,plain,
    ( sQ66_spl
    | ~ sQ12_spl ),
    inference(split_clause,[status(thm)],[f907,f523,f912]) ).

fof(f917,plain,
    ( ~ sQ1_spl
    | ~ sQ62_spl
    | memberP(sK53_skl,sK51_skl)
    | sK51_skl = sK52_skl
    | ~ ssItem(sK51_skl) ),
    inference(resolution,[status(thm)],[f886,f500]) ).

fof(f925,definition,
    ( sQ69_spl
  <=> ssItem(sK51_skl) ),
    introduced(definition,[new_symbols(definition,[sQ69_spl])],[split_symbol_definition]) ).

fof(f927,plain,
    ( sQ69_spl
    | ~ ssItem(sK51_skl) ),
    inference(component_clause,[status(thm)],[f925]) ).

fof(f928,definition,
    ( sQ70_spl
  <=> sK51_skl = sK52_skl ),
    introduced(definition,[new_symbols(definition,[sQ70_spl])],[split_symbol_definition]) ).

fof(f929,plain,
    ( ~ sQ70_spl
    | sK51_skl = sK52_skl ),
    inference(component_clause,[status(thm)],[f928]) ).

fof(f931,definition,
    ( sQ71_spl
  <=> memberP(sK53_skl,sK51_skl) ),
    introduced(definition,[new_symbols(definition,[sQ71_spl])],[split_symbol_definition]) ).

fof(f932,plain,
    ( ~ sQ71_spl
    | memberP(sK53_skl,sK51_skl) ),
    inference(component_clause,[status(thm)],[f931]) ).

fof(f934,plain,
    ( ~ sQ1_spl
    | ~ sQ62_spl
    | sQ71_spl
    | sQ70_spl
    | ~ sQ69_spl ),
    inference(split_clause,[status(thm)],[f917,f925,f928,f931,f885,f434]) ).

fof(f998,plain,
    ( ~ sQ44_spl
    | ~ sQ71_spl
    | memberP(sK49_skl,sK51_skl)
    | ~ ssItem(sK51_skl) ),
    inference(resolution,[status(thm)],[f932,f754]) ).

fof(f999,plain,
    ( ~ sQ43_spl
    | ~ sQ71_spl
    | memberP(sK50_skl,sK51_skl)
    | ~ ssItem(sK51_skl) ),
    inference(resolution,[status(thm)],[f932,f747]) ).

fof(f1000,definition,
    ( sQ73_spl
  <=> memberP(sK49_skl,sK51_skl) ),
    introduced(definition,[new_symbols(definition,[sQ73_spl])],[split_symbol_definition]) ).

fof(f1001,plain,
    ( ~ sQ73_spl
    | memberP(sK49_skl,sK51_skl) ),
    inference(component_clause,[status(thm)],[f1000]) ).

fof(f1003,plain,
    ( ~ sQ44_spl
    | ~ sQ71_spl
    | sQ73_spl
    | ~ sQ69_spl ),
    inference(split_clause,[status(thm)],[f998,f925,f1000,f931,f753]) ).

fof(f1004,definition,
    ( sQ74_spl
  <=> memberP(sK50_skl,sK51_skl) ),
    introduced(definition,[new_symbols(definition,[sQ74_spl])],[split_symbol_definition]) ).

fof(f1005,plain,
    ( ~ sQ74_spl
    | memberP(sK50_skl,sK51_skl) ),
    inference(component_clause,[status(thm)],[f1004]) ).

fof(f1007,plain,
    ( ~ sQ43_spl
    | ~ sQ71_spl
    | sQ74_spl
    | ~ sQ69_spl ),
    inference(split_clause,[status(thm)],[f999,f925,f1004,f931,f746]) ).

fof(f1008,plain,
    ( sQ69_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f927,f423]) ).

fof(f1009,plain,
    sQ69_spl,
    inference(contradiction_clause,[status(thm)],[f1008]) ).

fof(f1010,plain,
    ( ~ sQ74_spl
    | sQ0_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f1005,f499]) ).

fof(f1011,plain,
    ( ~ sQ74_spl
    | sQ0_spl ),
    inference(contradiction_clause,[status(thm)],[f1010]) ).

fof(f1012,plain,
    ( ~ sQ42_spl
    | ~ sQ26_spl
    | ~ sQ44_spl
    | ~ sQ0_spl
    | memberP(sK49_skl,sK51_skl)
    | ~ ssItem(sK51_skl) ),
    inference(resolution,[status(thm)],[f506,f802]) ).

fof(f1013,plain,
    ( ~ sQ42_spl
    | ~ sQ26_spl
    | ~ sQ44_spl
    | ~ sQ0_spl
    | sQ73_spl
    | ~ sQ69_spl ),
    inference(split_clause,[status(thm)],[f1012,f925,f1000,f431,f753,f608,f742]) ).

fof(f1014,plain,
    ( ~ sQ73_spl
    | sQ1_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f1001,f505]) ).

fof(f1015,plain,
    ( ~ sQ73_spl
    | sQ1_spl ),
    inference(contradiction_clause,[status(thm)],[f1014]) ).

fof(f1028,plain,
    ( sQ0_spl
    | ~ sQ70_spl
    | ~ memberP(sK50_skl,sK52_skl) ),
    inference(forward_demodulation,[status(thm)],[f929,f499]) ).

fof(f1029,plain,
    ( sQ0_spl
    | ~ sQ70_spl
    | ~ sQ52_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f1028,f806]) ).

fof(f1030,plain,
    ( sQ0_spl
    | ~ sQ70_spl
    | ~ sQ52_spl ),
    inference(contradiction_clause,[status(thm)],[f1029]) ).

fof(f1031,plain,
    ! [X0] :
      ( ~ sQ16_spl
      | ~ ssItem(X0) ),
    inference(duplicate_literals_removal,[status(thm)],[f543]) ).

fof(f1032,plain,
    ( ~ sQ58_spl
    | $false ),
    inference(backward_subsumption_resolution,[status(thm)],[f223,f860]) ).

fof(f1035,plain,
    ~ sQ58_spl,
    inference(contradiction_clause,[status(thm)],[f1032]) ).

fof(f1036,plain,
    ( ~ sQ16_spl
    | $false ),
    inference(backward_subsumption_resolution,[status(thm)],[f104,f1031]) ).

fof(f1038,plain,
    ~ sQ16_spl,
    inference(contradiction_clause,[status(thm)],[f1036]) ).

fof(f1052,plain,
    ( ~ sQ3_spl
    | ~ sQ2_spl
    | sK49_skl = sK50_skl ),
    inference(forward_demodulation,[status(thm)],[f440,f443]) ).

fof(f1070,plain,
    ( sQ1_spl
    | ~ sQ3_spl
    | ~ sQ2_spl
    | ~ memberP(sK50_skl,sK51_skl) ),
    inference(forward_demodulation,[status(thm)],[f1052,f505]) ).

fof(f1071,plain,
    ( ~ sQ0_spl
    | sQ1_spl
    | ~ sQ3_spl
    | ~ sQ2_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f506,f1070]) ).

fof(f1072,plain,
    ( ~ sQ0_spl
    | sQ1_spl
    | ~ sQ3_spl
    | ~ sQ2_spl ),
    inference(contradiction_clause,[status(thm)],[f1071]) ).

fof(f1073,plain,
    $false,
    inference(sat_refutation,[status(thm)],[f437,f438,f445,f452,f456,f460,f464,f504,f526,f528,f536,f550,f561,f570,f581,f583,f588,f593,f599,f607,f611,f615,f625,f629,f662,f729,f731,f738,f745,f749,f760,f768,f774,f780,f784,f793,f797,f808,f815,f825,f845,f852,f856,f862,f871,f875,f884,f888,f898,f902,f903,f911,f915,f934,f1003,f1007,f1009,f1011,f1013,f1015,f1030,f1035,f1038,f1072]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.01  % Problem  : SWC377+1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.02  % Command  : drodi -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.03/0.30  % Computer : n012.cluster.edu
% 0.03/0.30  % Model    : x86_64 x86_64
% 0.03/0.30  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.03/0.30  % Memory   : 8046.5625MB
% 0.03/0.30  % OS       : Linux 6.8.0-71-generic
% 0.03/0.30  % CPULimit : 300
% 0.03/0.30  % WCLimit  : 300
% 0.03/0.30  % DateTime : Mon Sep 21 08:19:21 UTC 2026
% 0.03/0.30  % CPUTime  : 
% 0.03/0.31  % Drodi V4.1.1
% 0.03/0.33  % Refutation found
% 0.03/0.33  % SZS status Theorem for theBenchmark: Theorem is valid
% 0.03/0.33  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.07/0.34  % Elapsed time: 0.039443 seconds
% 0.07/0.34  % CPU time: 0.132407 seconds
% 0.07/0.34  % Total memory used: 91.655 MB
% 0.07/0.34  % Net memory used: 91.431 MB
%------------------------------------------------------------------------------