↑ Up

Drodi---4.1.1.THM-CRf.s

View TPTP
Problem
Process solution in
SystemOnTSTP
Download .tgz
%------------------------------------------------------------------------------
% File     : Drodi---4.1.1
% Problem  : SWC219+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 02:40:26 PM UTC 2026

% Result   : Theorem 45.34s 26.53s
% Output   : CNFRefutation 45.34s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   14
%            Number of leaves      :   47
% Syntax   : Number of formulae    :  218 (  39 unt;  31 def)
%            Number of atoms       :  769 ( 109 equ)
%            Maximal formula atoms :   25 (   3 avg)
%            Number of connectives :  956 ( 405   ~; 403   |;  92   &)
%                                         (  33 <=>;  23  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   27 (   5 avg)
%            Maximal term depth    :    5 (   1 avg)
%            Number of predicates  :   45 (  43 usr;  31 prp; 0-3 aty)
%            Number of functors    :   13 (  13 usr;   8 con; 0-3 aty)
%            Number of variables   :  167 ( 140   !;  27   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f2,axiom,
    ? [U] :
      ( ? [V] :
          ( U != V
          & ssItem(V) )
      & ssItem(U) ),
    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(f17,axiom,
    ssList(nil),
    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(f28,axiom,
    ! [U] :
      ( ssList(U)
     => app(nil,U) = U ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

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

fof(f60,axiom,
    cyclefreeP(nil),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f62,axiom,
    totalorderP(nil),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f64,axiom,
    strictorderP(nil),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

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

fof(f69,axiom,
    strictorderedP(nil),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f72,axiom,
    duplicatefreeP(nil),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f74,axiom,
    equalelemsP(nil),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f80,axiom,
    ! [U] :
      ( ssList(U)
     => ! [V] :
          ( ssList(V)
         => ! [W] :
              ( ssList(W)
             => ( app(V,W) = app(V,U)
               => W = U ) ) ) ),
    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)
                 => ( ( ( nil != W
                        | nil != X )
                      & ! [X3] :
                          ( ssItem(X3)
                         => ( ? [X4] :
                                ( leq(X4,X3)
                                & memberP(X,X4)
                                & X3 != X4
                                & ssItem(X4) )
                            | ~ memberP(X,X3)
                            | cons(X3,nil) != W ) ) )
                    | ? [Y] :
                        ( ? [Z] :
                            ( ? [X1] :
                                ( ! [X2] :
                                    ( ssItem(X2)
                                   => ( leq(X2,Y)
                                      | ~ leq(Y,X2)
                                      | ~ memberP(X1,X2)
                                      | ~ memberP(Z,X2) ) )
                                & app(app(Z,cons(Y,nil)),X1) = U
                                & ssList(X1) )
                            & ssList(Z) )
                        & ssItem(Y) )
                    | nil = U
                    | 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)
                   => ( ( ( nil != W
                          | nil != X )
                        & ! [X3] :
                            ( ssItem(X3)
                           => ( ? [X4] :
                                  ( leq(X4,X3)
                                  & memberP(X,X4)
                                  & X3 != X4
                                  & ssItem(X4) )
                              | ~ memberP(X,X3)
                              | cons(X3,nil) != W ) ) )
                      | ? [Y] :
                          ( ? [Z] :
                              ( ? [X1] :
                                  ( ! [X2] :
                                      ( ssItem(X2)
                                     => ( leq(X2,Y)
                                        | ~ leq(Y,X2)
                                        | ~ memberP(X1,X2)
                                        | ~ memberP(Z,X2) ) )
                                  & app(app(Z,cons(Y,nil)),X1) = U
                                  & ssList(X1) )
                              & ssList(Z) )
                          & ssItem(Y) )
                      | nil = U
                      | 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(f103,plain,
    ssItem(sK0_skl),
    inference(cnf_transformation,[status(thm)],[f102]) ).

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

fof(f105,plain,
    sK0_skl != sK1_skl,
    inference(cnf_transformation,[status(thm)],[f102]) ).

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

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(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(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(f330,plain,
    cyclefreeP(nil),
    inference(cnf_transformation,[status(thm)],[f60]) ).

fof(f333,plain,
    totalorderP(nil),
    inference(cnf_transformation,[status(thm)],[f62]) ).

fof(f336,plain,
    strictorderP(nil),
    inference(cnf_transformation,[status(thm)],[f64]) ).

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

fof(f349,plain,
    strictorderedP(nil),
    inference(cnf_transformation,[status(thm)],[f69]) ).

fof(f359,plain,
    duplicatefreeP(nil),
    inference(cnf_transformation,[status(thm)],[f72]) ).

fof(f362,plain,
    equalelemsP(nil),
    inference(cnf_transformation,[status(thm)],[f74]) ).

fof(f377,plain,
    ! [U] :
      ( ! [V] :
          ( ! [W] :
              ( W = U
              | app(V,W) != app(V,U)
              | ~ ssList(W) )
          | ~ ssList(V) )
      | ~ ssList(U) ),
    inference(pre_NNF_transformation,[status(thm)],[f80]) ).

fof(f378,plain,
    ! [X0,X1,X2] :
      ( X2 = X0
      | app(X1,X2) != app(X1,X0)
      | ~ ssList(X2)
      | ~ ssList(X1)
      | ~ ssList(X0) ),
    inference(cnf_transformation,[status(thm)],[f377]) ).

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] :
                  ( ( ( nil = W
                      & nil = X )
                    | ? [X3] :
                        ( ! [X4] :
                            ( ~ leq(X4,X3)
                            | ~ memberP(X,X4)
                            | X3 = X4
                            | ~ ssItem(X4) )
                        & memberP(X,X3)
                        & cons(X3,nil) = W
                        & ssItem(X3) ) )
                  & ! [Y] :
                      ( ! [Z] :
                          ( ! [X1] :
                              ( ? [X2] :
                                  ( ~ leq(X2,Y)
                                  & leq(Y,X2)
                                  & memberP(X1,X2)
                                  & memberP(Z,X2)
                                  & ssItem(X2) )
                              | app(app(Z,cons(Y,nil)),X1) != U
                              | ~ ssList(X1) )
                          | ~ ssList(Z) )
                      | ~ ssItem(Y) )
                  & nil != U
                  & U = W
                  & V = X
                  & ssList(X) )
              & ssList(W) )
          & ssList(V) )
      & ssList(U) ),
    inference(pre_NNF_transformation,[status(thm)],[f97]) ).

fof(f416,definition,
    ! [W,X,X3] :
      ( sP0_prd(X3,X,W)
    <=> ( ! [X4] :
            ( ~ leq(X4,X3)
            | ~ memberP(X,X4)
            | X3 = X4
            | ~ ssItem(X4) )
        & memberP(X,X3)
        & cons(X3,nil) = W
        & ssItem(X3) ) ),
    introduced(definition,[new_symbols(definition,[sP0_prd])],[]) ).

fof(f417,plain,
    ? [U] :
      ( ? [V] :
          ( ? [W] :
              ( ? [X] :
                  ( ( ( nil = W
                      & nil = X )
                    | ? [X3] : sP0_prd(X3,X,W) )
                  & ! [Y] :
                      ( ! [Z] :
                          ( ! [X1] :
                              ( ? [X2] :
                                  ( ~ leq(X2,Y)
                                  & leq(Y,X2)
                                  & memberP(X1,X2)
                                  & memberP(Z,X2)
                                  & ssItem(X2) )
                              | app(app(Z,cons(Y,nil)),X1) != U
                              | ~ ssList(X1) )
                          | ~ ssList(Z) )
                      | ~ ssItem(Y) )
                  & nil != U
                  & U = W
                  & V = X
                  & ssList(X) )
              & ssList(W) )
          & ssList(V) )
      & ssList(U) ),
    inference(formula_renaming,[status(thm)],[f415,f416]) ).

fof(f418,plain,
    ( ( ( nil = sK49_skl
        & nil = sK50_skl )
      | sP0_prd(sK52_skl,sK50_skl,sK49_skl) )
    & ! [Y] :
        ( ! [Z] :
            ( ! [X1] :
                ( ( ~ leq(sK51_skl(X1,Z,Y),Y)
                  & leq(Y,sK51_skl(X1,Z,Y))
                  & memberP(X1,sK51_skl(X1,Z,Y))
                  & memberP(Z,sK51_skl(X1,Z,Y))
                  & ssItem(sK51_skl(X1,Z,Y)) )
                | app(app(Z,cons(Y,nil)),X1) != sK47_skl
                | ~ ssList(X1) )
            | ~ ssList(Z) )
        | ~ ssItem(Y) )
    & nil != sK47_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]),skolemize(U,sK47_skl),skolemize(V,sK48_skl),skolemize(W,sK49_skl),skolemize(X,sK50_skl),skolemize(X2,sK51_skl(X1,Z,Y)),skolemize(X3,sK52_skl)],[f417]) ).

fof(f419,plain,
    ssList(sK47_skl),
    inference(cnf_transformation,[status(thm)],[f418]) ).

fof(f420,plain,
    ssList(sK48_skl),
    inference(cnf_transformation,[status(thm)],[f418]) ).

fof(f423,plain,
    sK48_skl = sK50_skl,
    inference(cnf_transformation,[status(thm)],[f418]) ).

fof(f424,plain,
    sK47_skl = sK49_skl,
    inference(cnf_transformation,[status(thm)],[f418]) ).

fof(f425,plain,
    nil != sK47_skl,
    inference(cnf_transformation,[status(thm)],[f418]) ).

fof(f426,plain,
    ! [X0,X1,X2] :
      ( ssItem(sK51_skl(X2,X1,X0))
      | app(app(X1,cons(X0,nil)),X2) != sK47_skl
      | ~ ssList(X2)
      | ~ ssList(X1)
      | ~ ssItem(X0) ),
    inference(cnf_transformation,[status(thm)],[f418]) ).

fof(f427,plain,
    ! [X0,X1,X2] :
      ( memberP(X1,sK51_skl(X2,X1,X0))
      | app(app(X1,cons(X0,nil)),X2) != sK47_skl
      | ~ ssList(X2)
      | ~ ssList(X1)
      | ~ ssItem(X0) ),
    inference(cnf_transformation,[status(thm)],[f418]) ).

fof(f432,plain,
    ( nil = sK49_skl
    | sP0_prd(sK52_skl,sK50_skl,sK49_skl) ),
    inference(cnf_transformation,[status(thm)],[f418]) ).

fof(f433,plain,
    ! [W,X,X3] :
      ( ( ? [X4] :
            ( leq(X4,X3)
            & memberP(X,X4)
            & X3 != X4
            & ssItem(X4) )
        | ~ memberP(X,X3)
        | cons(X3,nil) != W
        | ~ ssItem(X3)
        | sP0_prd(X3,X,W) )
      & ( ( ! [X4] :
              ( ~ leq(X4,X3)
              | ~ memberP(X,X4)
              | X3 = X4
              | ~ ssItem(X4) )
          & memberP(X,X3)
          & cons(X3,nil) = W
          & ssItem(X3) )
        | ~ sP0_prd(X3,X,W) ) ),
    inference(NNF_transformation,[status(thm)],[f416]) ).

fof(f434,plain,
    ( ! [W,X,X3] :
        ( ? [X4] :
            ( leq(X4,X3)
            & memberP(X,X4)
            & X3 != X4
            & ssItem(X4) )
        | ~ memberP(X,X3)
        | cons(X3,nil) != W
        | ~ ssItem(X3)
        | sP0_prd(X3,X,W) )
    & ! [W,X,X3] :
        ( ( ! [X4] :
              ( ~ leq(X4,X3)
              | ~ memberP(X,X4)
              | X3 = X4
              | ~ ssItem(X4) )
          & memberP(X,X3)
          & cons(X3,nil) = W
          & ssItem(X3) )
        | ~ sP0_prd(X3,X,W) ) ),
    inference(miniscoping,[status(thm)],[f433]) ).

fof(f435,plain,
    ( ! [W,X,X3] :
        ( ( leq(sK53_skl(X3,X,W),X3)
          & memberP(X,sK53_skl(X3,X,W))
          & X3 != sK53_skl(X3,X,W)
          & ssItem(sK53_skl(X3,X,W)) )
        | ~ memberP(X,X3)
        | cons(X3,nil) != W
        | ~ ssItem(X3)
        | sP0_prd(X3,X,W) )
    & ! [W,X,X3] :
        ( ( ! [X4] :
              ( ~ leq(X4,X3)
              | ~ memberP(X,X4)
              | X3 = X4
              | ~ ssItem(X4) )
          & memberP(X,X3)
          & cons(X3,nil) = W
          & ssItem(X3) )
        | ~ sP0_prd(X3,X,W) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK53_skl]),skolemize(X4,sK53_skl(X3,X,W))],[f434]) ).

fof(f436,plain,
    ! [X0,X1,X2] :
      ( ssItem(X0)
      | ~ sP0_prd(X0,X1,X2) ),
    inference(cnf_transformation,[status(thm)],[f435]) ).

fof(f437,plain,
    ! [X0,X1,X2] :
      ( cons(X0,nil) = X2
      | ~ sP0_prd(X0,X1,X2) ),
    inference(cnf_transformation,[status(thm)],[f435]) ).

fof(f444,definition,
    ( sQ0_spl
  <=> sP0_prd(sK52_skl,sK50_skl,sK49_skl) ),
    introduced(definition,[new_symbols(definition,[sQ0_spl])],[split_symbol_definition]) ).

fof(f445,plain,
    ( ~ sQ0_spl
    | sP0_prd(sK52_skl,sK50_skl,sK49_skl) ),
    inference(component_clause,[status(thm)],[f444]) ).

fof(f451,definition,
    ( sQ2_spl
  <=> nil = sK49_skl ),
    introduced(definition,[new_symbols(definition,[sQ2_spl])],[split_symbol_definition]) ).

fof(f452,plain,
    ( ~ sQ2_spl
    | nil = sK49_skl ),
    inference(component_clause,[status(thm)],[f451]) ).

fof(f454,plain,
    ( sQ2_spl
    | sQ0_spl ),
    inference(split_clause,[status(thm)],[f432,f444,f451]) ).

fof(f498,definition,
    ( sQ8_spl
  <=> ssList(nil) ),
    introduced(definition,[new_symbols(definition,[sQ8_spl])],[split_symbol_definition]) ).

fof(f500,plain,
    ( sQ8_spl
    | ~ ssList(nil) ),
    inference(component_clause,[status(thm)],[f498]) ).

fof(f510,plain,
    ( sQ8_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f500,f223]) ).

fof(f511,plain,
    sQ8_spl,
    inference(contradiction_clause,[status(thm)],[f510]) ).

fof(f517,plain,
    ! [X0,X1] :
      ( memberP(X0,sK51_skl(sK5_skl(app(X0,cons(X1,nil)),sK47_skl),X0,X1))
      | ~ ssList(sK5_skl(app(X0,cons(X1,nil)),sK47_skl))
      | ~ ssList(X0)
      | ~ ssItem(X1)
      | ~ frontsegP(sK47_skl,app(X0,cons(X1,nil)))
      | ~ ssList(app(X0,cons(X1,nil)))
      | ~ ssList(sK47_skl) ),
    inference(resolution,[status(thm)],[f123,f427]) ).

fof(f518,plain,
    ! [X0,X1] :
      ( ssItem(sK51_skl(sK5_skl(app(X0,cons(X1,nil)),sK47_skl),X0,X1))
      | ~ ssList(sK5_skl(app(X0,cons(X1,nil)),sK47_skl))
      | ~ ssList(X0)
      | ~ ssItem(X1)
      | ~ frontsegP(sK47_skl,app(X0,cons(X1,nil)))
      | ~ ssList(app(X0,cons(X1,nil)))
      | ~ ssList(sK47_skl) ),
    inference(resolution,[status(thm)],[f123,f426]) ).

fof(f520,definition,
    ( sQ11_spl
  <=> ssList(sK47_skl) ),
    introduced(definition,[new_symbols(definition,[sQ11_spl])],[split_symbol_definition]) ).

fof(f522,plain,
    ( sQ11_spl
    | ~ ssList(sK47_skl) ),
    inference(component_clause,[status(thm)],[f520]) ).

fof(f523,definition,
    ! [X0,X1] :
      ( sQ12_spl
    <=> ( memberP(X0,sK51_skl(sK5_skl(app(X0,cons(X1,nil)),sK47_skl),X0,X1))
        | ~ ssList(sK5_skl(app(X0,cons(X1,nil)),sK47_skl))
        | ~ ssList(X0)
        | ~ ssItem(X1)
        | ~ frontsegP(sK47_skl,app(X0,cons(X1,nil)))
        | ~ ssList(app(X0,cons(X1,nil))) ) ),
    introduced(definition,[new_symbols(definition,[sQ12_spl])],[split_symbol_definition]) ).

fof(f524,plain,
    ! [X0,X1] :
      ( ~ sQ12_spl
      | memberP(X0,sK51_skl(sK5_skl(app(X0,cons(X1,nil)),sK47_skl),X0,X1))
      | ~ ssList(sK5_skl(app(X0,cons(X1,nil)),sK47_skl))
      | ~ ssList(X0)
      | ~ ssItem(X1)
      | ~ frontsegP(sK47_skl,app(X0,cons(X1,nil)))
      | ~ ssList(app(X0,cons(X1,nil))) ),
    inference(component_clause,[status(thm)],[f523]) ).

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

fof(f527,definition,
    ! [X0,X1] :
      ( sQ13_spl
    <=> ( ssItem(sK51_skl(sK5_skl(app(X0,cons(X1,nil)),sK47_skl),X0,X1))
        | ~ ssList(sK5_skl(app(X0,cons(X1,nil)),sK47_skl))
        | ~ ssList(X0)
        | ~ ssItem(X1)
        | ~ frontsegP(sK47_skl,app(X0,cons(X1,nil)))
        | ~ ssList(app(X0,cons(X1,nil))) ) ),
    introduced(definition,[new_symbols(definition,[sQ13_spl])],[split_symbol_definition]) ).

fof(f528,plain,
    ! [X0,X1] :
      ( ~ sQ13_spl
      | ssItem(sK51_skl(sK5_skl(app(X0,cons(X1,nil)),sK47_skl),X0,X1))
      | ~ ssList(sK5_skl(app(X0,cons(X1,nil)),sK47_skl))
      | ~ ssList(X0)
      | ~ ssItem(X1)
      | ~ frontsegP(sK47_skl,app(X0,cons(X1,nil)))
      | ~ ssList(app(X0,cons(X1,nil))) ),
    inference(component_clause,[status(thm)],[f527]) ).

fof(f530,plain,
    ( sQ13_spl
    | ~ sQ11_spl ),
    inference(split_clause,[status(thm)],[f518,f520,f527]) ).

fof(f531,plain,
    ( sQ11_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f522,f419]) ).

fof(f532,plain,
    sQ11_spl,
    inference(contradiction_clause,[status(thm)],[f531]) ).

fof(f539,plain,
    ! [X0,X1] :
      ( ~ ssList(X1)
      | frontsegP(app(X0,X1),X0)
      | ~ ssList(X0)
      | ~ ssList(app(X0,X1)) ),
    inference(equality_resolution,[status(thm)],[f124]) ).

fof(f545,plain,
    ! [X0,X1] :
      ( ~ ssList(X1)
      | frontsegP(app(X0,X1),X0)
      | ~ ssList(X0) ),
    inference(forward_subsumption_resolution,[status(thm)],[f539,f245]) ).

fof(f546,plain,
    ( ~ sQ0_spl
    | sP0_prd(sK52_skl,sK48_skl,sK49_skl) ),
    inference(forward_demodulation,[status(thm)],[f423,f445]) ).

fof(f547,plain,
    ( ~ sQ0_spl
    | sP0_prd(sK52_skl,sK48_skl,sK47_skl) ),
    inference(forward_demodulation,[status(thm)],[f424,f546]) ).

fof(f548,plain,
    ( ~ sQ0_spl
    | ssItem(sK52_skl) ),
    inference(resolution,[status(thm)],[f547,f436]) ).

fof(f653,plain,
    ( ~ sQ0_spl
    | cons(sK52_skl,nil) = sK47_skl ),
    inference(resolution,[status(thm)],[f437,f547]) ).

fof(f678,definition,
    ( sQ25_spl
  <=> ssItem(sK52_skl) ),
    introduced(definition,[new_symbols(definition,[sQ25_spl])],[split_symbol_definition]) ).

fof(f680,plain,
    ( sQ25_spl
    | ~ ssItem(sK52_skl) ),
    inference(component_clause,[status(thm)],[f678]) ).

fof(f719,plain,
    ( sQ25_spl
    | ~ sQ0_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f680,f548]) ).

fof(f720,plain,
    ( sQ25_spl
    | ~ sQ0_spl ),
    inference(contradiction_clause,[status(thm)],[f719]) ).

fof(f725,plain,
    ( ~ sQ2_spl
    | sK47_skl = nil ),
    inference(backward_demodulation,[status(thm)],[f452,f424]) ).

fof(f726,plain,
    ( ~ sQ2_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f725,f425]) ).

fof(f727,plain,
    ~ sQ2_spl,
    inference(contradiction_clause,[status(thm)],[f726]) ).

fof(f802,plain,
    ! [X0,X1] :
      ( ~ frontsegP(app(X1,X0),X1)
      | ~ ssList(X1)
      | ~ ssList(app(X1,X0))
      | sK5_skl(X1,app(X1,X0)) = X0
      | ~ ssList(sK5_skl(X1,app(X1,X0)))
      | ~ ssList(X1)
      | ~ ssList(X0) ),
    inference(resolution,[status(thm)],[f378,f123]) ).

fof(f810,plain,
    ! [X0,X1] :
      ( ~ frontsegP(app(X1,X0),X1)
      | ~ ssList(app(X1,X0))
      | sK5_skl(X1,app(X1,X0)) = X0
      | ~ ssList(sK5_skl(X1,app(X1,X0)))
      | ~ ssList(X1)
      | ~ ssList(X0) ),
    inference(duplicate_literals_removal,[status(thm)],[f802]) ).

fof(f811,plain,
    ! [X0,X1] :
      ( ~ frontsegP(app(X1,X0),X1)
      | ~ ssList(app(X1,X0))
      | sK5_skl(X1,app(X1,X0)) = X0
      | ~ ssList(X1)
      | ~ ssList(X0) ),
    inference(forward_subsumption_resolution,[status(thm)],[f810,f122]) ).

fof(f974,definition,
    ( sQ56_spl
  <=> cyclefreeP(nil) ),
    introduced(definition,[new_symbols(definition,[sQ56_spl])],[split_symbol_definition]) ).

fof(f976,plain,
    ( sQ56_spl
    | ~ cyclefreeP(nil) ),
    inference(component_clause,[status(thm)],[f974]) ).

fof(f1060,definition,
    ! [X1] :
      ( sQ70_spl
    <=> ( ~ ssList(X1)
        | nil != X1
        | ~ ssList(X1) ) ),
    introduced(definition,[new_symbols(definition,[sQ70_spl])],[split_symbol_definition]) ).

fof(f1061,plain,
    ! [X0] :
      ( ~ sQ70_spl
      | ~ ssList(X0)
      | nil != X0
      | ~ ssList(X0) ),
    inference(component_clause,[status(thm)],[f1060]) ).

fof(f1068,definition,
    ( sQ72_spl
  <=> totalorderP(nil) ),
    introduced(definition,[new_symbols(definition,[sQ72_spl])],[split_symbol_definition]) ).

fof(f1070,plain,
    ( sQ72_spl
    | ~ totalorderP(nil) ),
    inference(component_clause,[status(thm)],[f1068]) ).

fof(f1088,plain,
    ! [X0] :
      ( ~ sQ70_spl
      | nil != X0
      | ~ ssList(X0) ),
    inference(duplicate_literals_removal,[status(thm)],[f1061]) ).

fof(f1121,plain,
    ( ~ sQ70_spl
    | nil != nil ),
    inference(resolution,[status(thm)],[f1088,f223]) ).

fof(f1124,plain,
    ( ~ sQ70_spl
    | $false ),
    inference(trivial_equality_resolution,[status(thm)],[f1121]) ).

fof(f1125,plain,
    ~ sQ70_spl,
    inference(contradiction_clause,[status(thm)],[f1124]) ).

fof(f1181,plain,
    ! [X0] :
      ( ~ sQ0_spl
      | ~ sQ12_spl
      | memberP(X0,sK51_skl(sK5_skl(app(X0,sK47_skl),sK47_skl),X0,sK52_skl))
      | ~ ssList(sK5_skl(app(X0,cons(sK52_skl,nil)),sK47_skl))
      | ~ ssList(X0)
      | ~ ssItem(sK52_skl)
      | ~ frontsegP(sK47_skl,app(X0,cons(sK52_skl,nil)))
      | ~ ssList(app(X0,cons(sK52_skl,nil))) ),
    inference(paramodulation,[status(thm)],[f653,f524]) ).

fof(f1192,definition,
    ! [X0] :
      ( sQ86_spl
    <=> ( memberP(X0,sK51_skl(sK5_skl(app(X0,sK47_skl),sK47_skl),X0,sK52_skl))
        | ~ ssList(sK5_skl(app(X0,cons(sK52_skl,nil)),sK47_skl))
        | ~ ssList(X0)
        | ~ frontsegP(sK47_skl,app(X0,cons(sK52_skl,nil)))
        | ~ ssList(app(X0,cons(sK52_skl,nil))) ) ),
    introduced(definition,[new_symbols(definition,[sQ86_spl])],[split_symbol_definition]) ).

fof(f1193,plain,
    ! [X0] :
      ( ~ sQ86_spl
      | memberP(X0,sK51_skl(sK5_skl(app(X0,sK47_skl),sK47_skl),X0,sK52_skl))
      | ~ ssList(sK5_skl(app(X0,cons(sK52_skl,nil)),sK47_skl))
      | ~ ssList(X0)
      | ~ frontsegP(sK47_skl,app(X0,cons(sK52_skl,nil)))
      | ~ ssList(app(X0,cons(sK52_skl,nil))) ),
    inference(component_clause,[status(thm)],[f1192]) ).

fof(f1195,plain,
    ( ~ sQ0_spl
    | ~ sQ12_spl
    | ~ sQ25_spl
    | sQ86_spl ),
    inference(split_clause,[status(thm)],[f1181,f1192,f678,f523,f444]) ).

fof(f1196,plain,
    ! [X0] :
      ( ~ sQ86_spl
      | ~ sQ0_spl
      | memberP(X0,sK51_skl(sK5_skl(app(X0,sK47_skl),sK47_skl),X0,sK52_skl))
      | ~ ssList(sK5_skl(app(X0,cons(sK52_skl,nil)),sK47_skl))
      | ~ ssList(X0)
      | ~ frontsegP(sK47_skl,app(X0,cons(sK52_skl,nil)))
      | ~ ssList(app(X0,sK47_skl)) ),
    inference(forward_demodulation,[status(thm)],[f653,f1193]) ).

fof(f1197,plain,
    ! [X0] :
      ( ~ sQ86_spl
      | ~ sQ0_spl
      | memberP(X0,sK51_skl(sK5_skl(app(X0,sK47_skl),sK47_skl),X0,sK52_skl))
      | ~ ssList(sK5_skl(app(X0,cons(sK52_skl,nil)),sK47_skl))
      | ~ ssList(X0)
      | ~ frontsegP(sK47_skl,app(X0,sK47_skl))
      | ~ ssList(app(X0,sK47_skl)) ),
    inference(forward_demodulation,[status(thm)],[f653,f1196]) ).

fof(f1198,plain,
    ! [X0] :
      ( ~ sQ86_spl
      | ~ sQ0_spl
      | memberP(X0,sK51_skl(sK5_skl(app(X0,sK47_skl),sK47_skl),X0,sK52_skl))
      | ~ ssList(sK5_skl(app(X0,sK47_skl),sK47_skl))
      | ~ ssList(X0)
      | ~ frontsegP(sK47_skl,app(X0,sK47_skl))
      | ~ ssList(app(X0,sK47_skl)) ),
    inference(forward_demodulation,[status(thm)],[f653,f1197]) ).

fof(f1286,definition,
    ( sQ92_spl
  <=> strictorderP(nil) ),
    introduced(definition,[new_symbols(definition,[sQ92_spl])],[split_symbol_definition]) ).

fof(f1288,plain,
    ( sQ92_spl
    | ~ strictorderP(nil) ),
    inference(component_clause,[status(thm)],[f1286]) ).

fof(f1301,plain,
    ( sQ92_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f1288,f336]) ).

fof(f1302,plain,
    sQ92_spl,
    inference(contradiction_clause,[status(thm)],[f1301]) ).

fof(f1315,plain,
    ! [X0] :
      ( ~ sQ0_spl
      | ~ sQ13_spl
      | ssItem(sK51_skl(sK5_skl(app(X0,sK47_skl),sK47_skl),X0,sK52_skl))
      | ~ ssList(sK5_skl(app(X0,cons(sK52_skl,nil)),sK47_skl))
      | ~ ssList(X0)
      | ~ ssItem(sK52_skl)
      | ~ frontsegP(sK47_skl,app(X0,cons(sK52_skl,nil)))
      | ~ ssList(app(X0,cons(sK52_skl,nil))) ),
    inference(paramodulation,[status(thm)],[f653,f528]) ).

fof(f1316,definition,
    ! [X0] :
      ( sQ98_spl
    <=> ( ssItem(sK51_skl(sK5_skl(app(X0,sK47_skl),sK47_skl),X0,sK52_skl))
        | ~ ssList(sK5_skl(app(X0,cons(sK52_skl,nil)),sK47_skl))
        | ~ ssList(X0)
        | ~ frontsegP(sK47_skl,app(X0,cons(sK52_skl,nil)))
        | ~ ssList(app(X0,cons(sK52_skl,nil))) ) ),
    introduced(definition,[new_symbols(definition,[sQ98_spl])],[split_symbol_definition]) ).

fof(f1317,plain,
    ! [X0] :
      ( ~ sQ98_spl
      | ssItem(sK51_skl(sK5_skl(app(X0,sK47_skl),sK47_skl),X0,sK52_skl))
      | ~ ssList(sK5_skl(app(X0,cons(sK52_skl,nil)),sK47_skl))
      | ~ ssList(X0)
      | ~ frontsegP(sK47_skl,app(X0,cons(sK52_skl,nil)))
      | ~ ssList(app(X0,cons(sK52_skl,nil))) ),
    inference(component_clause,[status(thm)],[f1316]) ).

fof(f1319,plain,
    ( ~ sQ0_spl
    | ~ sQ13_spl
    | ~ sQ25_spl
    | sQ98_spl ),
    inference(split_clause,[status(thm)],[f1315,f1316,f678,f527,f444]) ).

fof(f1320,plain,
    ! [X0] :
      ( ~ sQ98_spl
      | ~ sQ0_spl
      | ssItem(sK51_skl(sK5_skl(app(X0,sK47_skl),sK47_skl),X0,sK52_skl))
      | ~ ssList(sK5_skl(app(X0,cons(sK52_skl,nil)),sK47_skl))
      | ~ ssList(X0)
      | ~ frontsegP(sK47_skl,app(X0,cons(sK52_skl,nil)))
      | ~ ssList(app(X0,sK47_skl)) ),
    inference(forward_demodulation,[status(thm)],[f653,f1317]) ).

fof(f1321,plain,
    ! [X0] :
      ( ~ sQ98_spl
      | ~ sQ0_spl
      | ssItem(sK51_skl(sK5_skl(app(X0,sK47_skl),sK47_skl),X0,sK52_skl))
      | ~ ssList(sK5_skl(app(X0,cons(sK52_skl,nil)),sK47_skl))
      | ~ ssList(X0)
      | ~ frontsegP(sK47_skl,app(X0,sK47_skl))
      | ~ ssList(app(X0,sK47_skl)) ),
    inference(forward_demodulation,[status(thm)],[f653,f1320]) ).

fof(f1322,plain,
    ! [X0] :
      ( ~ sQ98_spl
      | ~ sQ0_spl
      | ssItem(sK51_skl(sK5_skl(app(X0,sK47_skl),sK47_skl),X0,sK52_skl))
      | ~ ssList(sK5_skl(app(X0,sK47_skl),sK47_skl))
      | ~ ssList(X0)
      | ~ frontsegP(sK47_skl,app(X0,sK47_skl))
      | ~ ssList(app(X0,sK47_skl)) ),
    inference(forward_demodulation,[status(thm)],[f653,f1321]) ).

fof(f1493,definition,
    ( sQ113_spl
  <=> totalorderedP(nil) ),
    introduced(definition,[new_symbols(definition,[sQ113_spl])],[split_symbol_definition]) ).

fof(f1495,plain,
    ( sQ113_spl
    | ~ totalorderedP(nil) ),
    inference(component_clause,[status(thm)],[f1493]) ).

fof(f1508,plain,
    ( sQ113_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f1495,f339]) ).

fof(f1509,plain,
    sQ113_spl,
    inference(contradiction_clause,[status(thm)],[f1508]) ).

fof(f1551,plain,
    ( sQ56_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f976,f330]) ).

fof(f1552,plain,
    sQ56_spl,
    inference(contradiction_clause,[status(thm)],[f1551]) ).

fof(f1619,definition,
    ( sQ131_spl
  <=> strictorderedP(nil) ),
    introduced(definition,[new_symbols(definition,[sQ131_spl])],[split_symbol_definition]) ).

fof(f1621,plain,
    ( sQ131_spl
    | ~ strictorderedP(nil) ),
    inference(component_clause,[status(thm)],[f1619]) ).

fof(f1623,plain,
    ( sQ131_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f1621,f349]) ).

fof(f1624,plain,
    sQ131_spl,
    inference(contradiction_clause,[status(thm)],[f1623]) ).

fof(f1687,definition,
    ( sQ136_spl
  <=> duplicatefreeP(nil) ),
    introduced(definition,[new_symbols(definition,[sQ136_spl])],[split_symbol_definition]) ).

fof(f1689,plain,
    ( sQ136_spl
    | ~ duplicatefreeP(nil) ),
    inference(component_clause,[status(thm)],[f1687]) ).

fof(f1702,plain,
    ( sQ136_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f1689,f359]) ).

fof(f1703,plain,
    sQ136_spl,
    inference(contradiction_clause,[status(thm)],[f1702]) ).

fof(f1811,definition,
    ( sQ147_spl
  <=> equalelemsP(nil) ),
    introduced(definition,[new_symbols(definition,[sQ147_spl])],[split_symbol_definition]) ).

fof(f1813,plain,
    ( sQ147_spl
    | ~ equalelemsP(nil) ),
    inference(component_clause,[status(thm)],[f1811]) ).

fof(f1828,plain,
    ( sQ147_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f1813,f362]) ).

fof(f1829,plain,
    sQ147_spl,
    inference(contradiction_clause,[status(thm)],[f1828]) ).

fof(f2250,definition,
    ( sQ206_spl
  <=> ssList(app(nil,cons(sK52_skl,nil))) ),
    introduced(definition,[new_symbols(definition,[sQ206_spl])],[split_symbol_definition]) ).

fof(f2251,plain,
    ( ~ sQ206_spl
    | ssList(app(nil,cons(sK52_skl,nil))) ),
    inference(component_clause,[status(thm)],[f2250]) ).

fof(f2252,plain,
    ( sQ206_spl
    | ~ ssList(app(nil,cons(sK52_skl,nil))) ),
    inference(component_clause,[status(thm)],[f2250]) ).

fof(f2257,plain,
    ( sQ206_spl
    | ~ sQ0_spl
    | ~ ssList(app(nil,sK47_skl)) ),
    inference(forward_demodulation,[status(thm)],[f653,f2252]) ).

fof(f2258,plain,
    ( sQ206_spl
    | ~ sQ0_spl
    | ~ ssList(sK47_skl)
    | ~ ssList(nil) ),
    inference(resolution,[status(thm)],[f2257,f245]) ).

fof(f2259,plain,
    ( sQ206_spl
    | ~ sQ0_spl
    | ~ sQ11_spl
    | ~ sQ8_spl ),
    inference(split_clause,[status(thm)],[f2258,f498,f520,f444,f2250]) ).

fof(f2260,plain,
    ( ~ sQ206_spl
    | ~ sQ0_spl
    | ssList(app(nil,sK47_skl)) ),
    inference(forward_demodulation,[status(thm)],[f653,f2251]) ).

fof(f2661,definition,
    ( sQ255_spl
  <=> ssList(app(nil,sK47_skl)) ),
    introduced(definition,[new_symbols(definition,[sQ255_spl])],[split_symbol_definition]) ).

fof(f2663,plain,
    ( sQ255_spl
    | ~ ssList(app(nil,sK47_skl)) ),
    inference(component_clause,[status(thm)],[f2661]) ).

fof(f2665,plain,
    ( sQ255_spl
    | ~ sQ206_spl
    | ~ sQ0_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f2663,f2260]) ).

fof(f2666,plain,
    ( sQ255_spl
    | ~ sQ206_spl
    | ~ sQ0_spl ),
    inference(contradiction_clause,[status(thm)],[f2665]) ).

fof(f2871,definition,
    ( sQ272_spl
  <=> frontsegP(sK47_skl,sK47_skl) ),
    introduced(definition,[new_symbols(definition,[sQ272_spl])],[split_symbol_definition]) ).

fof(f2872,plain,
    ( ~ sQ272_spl
    | frontsegP(sK47_skl,sK47_skl) ),
    inference(component_clause,[status(thm)],[f2871]) ).

fof(f3737,plain,
    ( sQ72_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f1070,f333]) ).

fof(f3738,plain,
    sQ72_spl,
    inference(contradiction_clause,[status(thm)],[f3737]) ).

fof(f3844,plain,
    ! [X0,X1] :
      ( ~ frontsegP(app(X1,X0),X1)
      | sK5_skl(X1,app(X1,X0)) = X0
      | ~ ssList(X1)
      | ~ ssList(X0) ),
    inference(forward_subsumption_resolution,[status(thm)],[f811,f245]) ).

fof(f4020,plain,
    ! [X0,X1] :
      ( sK5_skl(X1,app(X1,X0)) = X0
      | ~ ssList(X1)
      | ~ ssList(X0) ),
    inference(backward_subsumption_resolution,[status(thm)],[f3844,f545]) ).

fof(f4392,definition,
    ! [X0] :
      ( sQ374_spl
    <=> ( X0 = sK52_skl
        | ~ ssItem(X0) ) ),
    introduced(definition,[new_symbols(definition,[sQ374_spl])],[split_symbol_definition]) ).

fof(f4393,plain,
    ! [X0] :
      ( ~ sQ374_spl
      | X0 = sK52_skl
      | ~ ssItem(X0) ),
    inference(component_clause,[status(thm)],[f4392]) ).

fof(f4599,plain,
    ( ~ sQ374_spl
    | sK0_skl = sK52_skl ),
    inference(resolution,[status(thm)],[f4393,f103]) ).

fof(f4600,plain,
    ( ~ sQ374_spl
    | sK1_skl = sK52_skl ),
    inference(resolution,[status(thm)],[f4393,f104]) ).

fof(f4631,plain,
    ( ~ sQ374_spl
    | sK1_skl = sK0_skl ),
    inference(forward_demodulation,[status(thm)],[f4599,f4600]) ).

fof(f4632,plain,
    ( ~ sQ374_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f4631,f105]) ).

fof(f4633,plain,
    ~ sQ374_spl,
    inference(contradiction_clause,[status(thm)],[f4632]) ).

fof(f4912,definition,
    ( sQ393_spl
  <=> ssList(sK48_skl) ),
    introduced(definition,[new_symbols(definition,[sQ393_spl])],[split_symbol_definition]) ).

fof(f4914,plain,
    ( sQ393_spl
    | ~ ssList(sK48_skl) ),
    inference(component_clause,[status(thm)],[f4912]) ).

fof(f4918,plain,
    ( sQ393_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f4914,f420]) ).

fof(f4919,plain,
    sQ393_spl,
    inference(contradiction_clause,[status(thm)],[f4918]) ).

fof(f5447,definition,
    ( sQ426_spl
  <=> sK48_skl = sK48_skl ),
    introduced(definition,[new_symbols(definition,[sQ426_spl])],[split_symbol_definition]) ).

fof(f5449,plain,
    ( sQ426_spl
    | sK48_skl != sK48_skl ),
    inference(component_clause,[status(thm)],[f5447]) ).

fof(f6050,definition,
    ( sQ484_spl
  <=> sK47_skl = app(sK47_skl,nil) ),
    introduced(definition,[new_symbols(definition,[sQ484_spl])],[split_symbol_definition]) ).

fof(f6051,plain,
    ( ~ sQ484_spl
    | sK47_skl = app(sK47_skl,nil) ),
    inference(component_clause,[status(thm)],[f6050]) ).

fof(f6052,plain,
    ( sQ484_spl
    | sK47_skl != app(sK47_skl,nil) ),
    inference(component_clause,[status(thm)],[f6050]) ).

fof(f6054,definition,
    ( sQ485_spl
  <=> sK47_skl = app(nil,sK47_skl) ),
    introduced(definition,[new_symbols(definition,[sQ485_spl])],[split_symbol_definition]) ).

fof(f6055,plain,
    ( ~ sQ485_spl
    | sK47_skl = app(nil,sK47_skl) ),
    inference(component_clause,[status(thm)],[f6054]) ).

fof(f6056,plain,
    ( sQ485_spl
    | sK47_skl != app(nil,sK47_skl) ),
    inference(component_clause,[status(thm)],[f6054]) ).

fof(f6219,plain,
    ( ~ sQ484_spl
    | sK5_skl(sK47_skl,sK47_skl) = nil
    | ~ ssList(sK47_skl)
    | ~ ssList(nil) ),
    inference(paramodulation,[status(thm)],[f6051,f4020]) ).

fof(f6224,plain,
    ( ~ sQ484_spl
    | ~ ssList(nil)
    | frontsegP(sK47_skl,sK47_skl)
    | ~ ssList(sK47_skl) ),
    inference(paramodulation,[status(thm)],[f6051,f545]) ).

fof(f6291,definition,
    ( sQ510_spl
  <=> sK5_skl(sK47_skl,sK47_skl) = nil ),
    introduced(definition,[new_symbols(definition,[sQ510_spl])],[split_symbol_definition]) ).

fof(f6292,plain,
    ( ~ sQ510_spl
    | sK5_skl(sK47_skl,sK47_skl) = nil ),
    inference(component_clause,[status(thm)],[f6291]) ).

fof(f6294,plain,
    ( ~ sQ484_spl
    | sQ510_spl
    | ~ sQ11_spl
    | ~ sQ8_spl ),
    inference(split_clause,[status(thm)],[f6219,f498,f520,f6291,f6050]) ).

fof(f6299,plain,
    ( ~ sQ484_spl
    | ~ sQ8_spl
    | sQ272_spl
    | ~ sQ11_spl ),
    inference(split_clause,[status(thm)],[f6224,f520,f2871,f498,f6050]) ).

fof(f6460,plain,
    ( sQ485_spl
    | ~ ssList(sK47_skl) ),
    inference(resolution,[status(thm)],[f6056,f249]) ).

fof(f6461,plain,
    ( sQ485_spl
    | ~ sQ11_spl ),
    inference(split_clause,[status(thm)],[f6460,f520,f6054]) ).

fof(f6710,plain,
    ( sQ484_spl
    | ~ ssList(sK47_skl) ),
    inference(resolution,[status(thm)],[f6052,f389]) ).

fof(f6711,plain,
    ( sQ484_spl
    | ~ sQ11_spl ),
    inference(split_clause,[status(thm)],[f6710,f520,f6050]) ).

fof(f19854,plain,
    ( sQ426_spl
    | $false ),
    inference(trivial_equality_resolution,[status(thm)],[f5449]) ).

fof(f19855,plain,
    sQ426_spl,
    inference(contradiction_clause,[status(thm)],[f19854]) ).

fof(f22907,definition,
    ( sQ2626_spl
  <=> ssItem(sK51_skl(sK5_skl(app(nil,sK47_skl),sK47_skl),nil,sK52_skl)) ),
    introduced(definition,[new_symbols(definition,[sQ2626_spl])],[split_symbol_definition]) ).

fof(f22909,plain,
    ( sQ2626_spl
    | ~ ssItem(sK51_skl(sK5_skl(app(nil,sK47_skl),sK47_skl),nil,sK52_skl)) ),
    inference(component_clause,[status(thm)],[f22907]) ).

fof(f22912,plain,
    ( sQ2626_spl
    | ~ sQ485_spl
    | ~ ssItem(sK51_skl(sK5_skl(sK47_skl,sK47_skl),nil,sK52_skl)) ),
    inference(forward_demodulation,[status(thm)],[f6055,f22909]) ).

fof(f22913,plain,
    ( sQ2626_spl
    | ~ sQ485_spl
    | ~ sQ510_spl
    | ~ ssItem(sK51_skl(nil,nil,sK52_skl)) ),
    inference(forward_demodulation,[status(thm)],[f6292,f22912]) ).

fof(f23196,plain,
    ( ~ sQ86_spl
    | ~ sQ0_spl
    | ~ ssItem(sK51_skl(sK5_skl(app(nil,sK47_skl),sK47_skl),nil,sK52_skl))
    | ~ ssList(sK5_skl(app(nil,sK47_skl),sK47_skl))
    | ~ ssList(nil)
    | ~ frontsegP(sK47_skl,app(nil,sK47_skl))
    | ~ ssList(app(nil,sK47_skl)) ),
    inference(resolution,[status(thm)],[f1198,f279]) ).

fof(f23216,definition,
    ( sQ2650_spl
  <=> frontsegP(sK47_skl,app(nil,sK47_skl)) ),
    introduced(definition,[new_symbols(definition,[sQ2650_spl])],[split_symbol_definition]) ).

fof(f23218,plain,
    ( sQ2650_spl
    | ~ frontsegP(sK47_skl,app(nil,sK47_skl)) ),
    inference(component_clause,[status(thm)],[f23216]) ).

fof(f23219,definition,
    ( sQ2651_spl
  <=> ssList(sK5_skl(app(nil,sK47_skl),sK47_skl)) ),
    introduced(definition,[new_symbols(definition,[sQ2651_spl])],[split_symbol_definition]) ).

fof(f23221,plain,
    ( sQ2651_spl
    | ~ ssList(sK5_skl(app(nil,sK47_skl),sK47_skl)) ),
    inference(component_clause,[status(thm)],[f23219]) ).

fof(f23222,plain,
    ( ~ sQ86_spl
    | ~ sQ0_spl
    | ~ sQ2626_spl
    | ~ sQ2651_spl
    | ~ sQ8_spl
    | ~ sQ2650_spl
    | ~ sQ255_spl ),
    inference(split_clause,[status(thm)],[f23196,f2661,f23216,f498,f23219,f22907,f444,f1192]) ).

fof(f23227,plain,
    ( sQ2651_spl
    | ~ sQ485_spl
    | ~ ssList(sK5_skl(sK47_skl,sK47_skl)) ),
    inference(forward_demodulation,[status(thm)],[f6055,f23221]) ).

fof(f23228,plain,
    ( sQ2651_spl
    | ~ sQ485_spl
    | ~ sQ510_spl
    | ~ ssList(nil) ),
    inference(forward_demodulation,[status(thm)],[f6292,f23227]) ).

fof(f23229,plain,
    ( sQ2651_spl
    | ~ sQ485_spl
    | ~ sQ510_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f23228,f223]) ).

fof(f23230,plain,
    ( sQ2651_spl
    | ~ sQ485_spl
    | ~ sQ510_spl ),
    inference(contradiction_clause,[status(thm)],[f23229]) ).

fof(f23231,plain,
    ( sQ2650_spl
    | ~ sQ485_spl
    | ~ frontsegP(sK47_skl,sK47_skl) ),
    inference(forward_demodulation,[status(thm)],[f6055,f23218]) ).

fof(f23232,plain,
    ( sQ2650_spl
    | ~ sQ485_spl
    | ~ sQ272_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f23231,f2872]) ).

fof(f23233,plain,
    ( sQ2650_spl
    | ~ sQ485_spl
    | ~ sQ272_spl ),
    inference(contradiction_clause,[status(thm)],[f23232]) ).

fof(f28027,plain,
    ( ~ sQ485_spl
    | ~ sQ98_spl
    | ~ sQ0_spl
    | ssItem(sK51_skl(sK5_skl(sK47_skl,sK47_skl),nil,sK52_skl))
    | ~ ssList(sK5_skl(app(nil,sK47_skl),sK47_skl))
    | ~ ssList(nil)
    | ~ frontsegP(sK47_skl,app(nil,sK47_skl))
    | ~ ssList(app(nil,sK47_skl)) ),
    inference(paramodulation,[status(thm)],[f6055,f1322]) ).

fof(f28028,definition,
    ( sQ2980_spl
  <=> ssItem(sK51_skl(sK5_skl(sK47_skl,sK47_skl),nil,sK52_skl)) ),
    introduced(definition,[new_symbols(definition,[sQ2980_spl])],[split_symbol_definition]) ).

fof(f28029,plain,
    ( ~ sQ2980_spl
    | ssItem(sK51_skl(sK5_skl(sK47_skl,sK47_skl),nil,sK52_skl)) ),
    inference(component_clause,[status(thm)],[f28028]) ).

fof(f28031,plain,
    ( ~ sQ485_spl
    | ~ sQ98_spl
    | ~ sQ0_spl
    | sQ2980_spl
    | ~ sQ2651_spl
    | ~ sQ8_spl
    | ~ sQ2650_spl
    | ~ sQ255_spl ),
    inference(split_clause,[status(thm)],[f28027,f2661,f23216,f498,f23219,f28028,f444,f1316,f6054]) ).

fof(f28032,plain,
    ( ~ sQ2980_spl
    | ~ sQ510_spl
    | ssItem(sK51_skl(nil,nil,sK52_skl)) ),
    inference(forward_demodulation,[status(thm)],[f6292,f28029]) ).

fof(f28033,plain,
    ( ~ sQ2980_spl
    | ~ sQ510_spl
    | sQ2626_spl
    | ~ sQ485_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f28032,f22913]) ).

fof(f28034,plain,
    ( ~ sQ2980_spl
    | ~ sQ510_spl
    | sQ2626_spl
    | ~ sQ485_spl ),
    inference(contradiction_clause,[status(thm)],[f28033]) ).

fof(f28035,plain,
    $false,
    inference(sat_refutation,[status(thm)],[f454,f511,f526,f530,f532,f720,f727,f1125,f1195,f1302,f1319,f1509,f1552,f1624,f1703,f1829,f2259,f2666,f3738,f4633,f4919,f6294,f6299,f6461,f6711,f19855,f23222,f23230,f23233,f28031,f28034]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02  % Problem  : SWC219+1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.03  % Command  : drodi -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.08/20.77  % Computer : n012.cluster.edu
% 0.08/20.77  % Model    : x86_64 x86_64
% 0.08/20.77  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/20.77  % Memory   : 8046.5625MB
% 0.08/20.77  % OS       : Linux 6.8.0-71-generic
% 0.08/20.77  % CPULimit : 300
% 0.08/20.77  % WCLimit  : 300
% 0.08/20.77  % DateTime : Mon Sep 21 08:05:30 UTC 2026
% 0.08/20.77  % CPUTime  : 
% 0.08/20.78  % Drodi V4.1.1
% 45.34/26.53  % Refutation found
% 45.34/26.53  % SZS status Theorem for theBenchmark: Theorem is valid
% 45.34/26.53  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 45.34/26.57  % Elapsed time: 5.796777 seconds
% 45.34/26.57  % CPU time: 45.891210 seconds
% 45.34/26.57  % Total memory used: 385.515 MB
% 45.34/26.57  % Net memory used: 353.423 MB
%------------------------------------------------------------------------------