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Drodi---4.1.1.UNS-CRf.s

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%------------------------------------------------------------------------------
% File     : Drodi---4.1.1
% Problem  : SWC109-1 : 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 02:40:00 PM UTC 2026

% Result   : Unsatisfiable 0.04s 5.35s
% Output   : CNFRefutation 0.04s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :   70
% Syntax   : Number of formulae    :  241 (  13 unt;  36 def)
%            Number of atoms       :  773 ( 175 equ)
%            Maximal formula atoms :    7 (   3 avg)
%            Number of connectives : 1008 ( 476   ~; 496   |;   0   &)
%                                         (  36 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   5 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :   43 (  41 usr;  37 prp; 0-2 aty)
%            Number of functors    :   11 (  11 usr;   8 con; 0-2 aty)
%            Number of variables   :  158 ( 158   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f8,axiom,
    ssList(nil),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f56,axiom,
    ! [U] :
      ( segmentP(U,nil)
      | ~ ssList(U) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f73,axiom,
    ! [U] :
      ( app(U,nil) = U
      | ~ ssList(U) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f74,axiom,
    ! [U] :
      ( app(nil,U) = U
      | ~ ssList(U) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f80,axiom,
    ! [U] :
      ( nil = U
      | ~ ssList(U)
      | ~ segmentP(nil,U) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f85,axiom,
    ! [U,V] :
      ( ssList(app(V,U))
      | ~ ssList(V)
      | ~ ssList(U) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f99,axiom,
    ! [U,V] :
      ( ~ ssList(V)
      | ~ ssItem(U)
      | cons(U,V) != V ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f100,axiom,
    ! [U,V] :
      ( V = U
      | neq(V,U)
      | ~ ssList(V)
      | ~ ssList(U) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f101,axiom,
    ! [U] :
      ( cons(skaf44(U),nil) = U
      | ~ ssList(U)
      | ~ singletonP(U) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f115,axiom,
    ! [U,V] :
      ( ~ ssList(U)
      | ~ ssList(V)
      | ~ neq(U,V)
      | U != V ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f118,axiom,
    ! [U,V] :
      ( nil = U
      | ~ ssList(U)
      | ~ ssList(V)
      | app(U,V) != nil ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f119,axiom,
    ! [U,V] :
      ( nil = V
      | ~ ssList(U)
      | ~ ssList(V)
      | app(U,V) != nil ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f120,axiom,
    ! [U,V] :
      ( app(cons(U,nil),V) = cons(U,V)
      | ~ ssList(V)
      | ~ ssItem(U) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f127,axiom,
    ! [U,V] :
      ( V = U
      | ~ ssList(V)
      | ~ ssList(U)
      | ~ segmentP(V,U)
      | ~ segmentP(U,V) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f149,axiom,
    ! [U,V,W] :
      ( app(app(W,V),U) = app(W,app(V,U))
      | ~ ssList(W)
      | ~ ssList(V)
      | ~ ssList(U) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f150,axiom,
    ! [U,V,W] :
      ( V = W
      | ~ ssList(W)
      | ~ ssList(U)
      | ~ ssList(V)
      | app(U,V) != app(U,W) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f151,axiom,
    ! [U,V,W] :
      ( U = W
      | ~ ssList(W)
      | ~ ssList(V)
      | ~ ssList(U)
      | app(U,V) != app(W,V) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f152,axiom,
    ! [U,V,W] :
      ( segmentP(U,W)
      | ~ ssList(U)
      | ~ ssList(V)
      | ~ ssList(W)
      | ~ segmentP(V,W)
      | ~ segmentP(U,V) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f170,axiom,
    ! [U,V,W,X] :
      ( U = W
      | ~ ssList(V)
      | ~ ssList(X)
      | ~ ssItem(U)
      | ~ ssItem(W)
      | cons(U,V) != cons(W,X) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f171,axiom,
    ! [U,V,W,X] :
      ( X = V
      | ~ ssList(V)
      | ~ ssList(X)
      | ~ ssItem(U)
      | ~ ssItem(W)
      | cons(U,V) != cons(W,X) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f173,axiom,
    ! [U,V,W,X] :
      ( segmentP(X,V)
      | ~ ssList(X)
      | ~ ssList(V)
      | ~ ssList(U)
      | ~ ssList(W)
      | app(app(U,V),W) != X ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f188,negated_conjecture,
    ssList(sk3),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f189,negated_conjecture,
    ssList(sk4),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f190,negated_conjecture,
    sk2 = sk4,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f191,negated_conjecture,
    sk1 = sk3,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f192,negated_conjecture,
    ( nil = sk4
    | ssItem(sk5) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f193,negated_conjecture,
    ( nil = sk3
    | ssItem(sk5) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f196,negated_conjecture,
    ( nil = sk4
    | cons(sk5,nil) = sk3 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f200,negated_conjecture,
    ( nil = sk3
    | ssList(sk6) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f201,negated_conjecture,
    ( nil = sk3
    | ssList(sk7) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f202,negated_conjecture,
    ( nil = sk3
    | cons(sk5,nil) = sk3 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f203,negated_conjecture,
    ( nil = sk3
    | app(app(sk6,sk3),sk7) = sk4 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f207,negated_conjecture,
    ( ~ segmentP(sk2,sk1)
    | ~ neq(sk1,nil)
    | nil = sk2 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f208,negated_conjecture,
    ( neq(sk2,nil)
    | nil != sk1 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f217,plain,
    ssList(nil),
    inference(cnf_transformation,[status(thm)],[f8]) ).

fof(f265,plain,
    ! [X0] :
      ( segmentP(X0,nil)
      | ~ ssList(X0) ),
    inference(cnf_transformation,[status(thm)],[f56]) ).

fof(f283,plain,
    ! [X0] :
      ( app(X0,nil) = X0
      | ~ ssList(X0) ),
    inference(cnf_transformation,[status(thm)],[f73]) ).

fof(f284,plain,
    ! [X0] :
      ( app(nil,X0) = X0
      | ~ ssList(X0) ),
    inference(cnf_transformation,[status(thm)],[f74]) ).

fof(f290,plain,
    ! [X0] :
      ( nil = X0
      | ~ ssList(X0)
      | ~ segmentP(nil,X0) ),
    inference(cnf_transformation,[status(thm)],[f80]) ).

fof(f295,plain,
    ! [X0,X1] :
      ( ssList(app(X1,X0))
      | ~ ssList(X1)
      | ~ ssList(X0) ),
    inference(cnf_transformation,[status(thm)],[f85]) ).

fof(f310,plain,
    ! [V] :
      ( ~ ssList(V)
      | ! [U] :
          ( ~ ssItem(U)
          | cons(U,V) != V ) ),
    inference(miniscoping,[status(thm)],[f99]) ).

fof(f311,plain,
    ! [X0,X1] :
      ( ~ ssList(X1)
      | ~ ssItem(X0)
      | cons(X0,X1) != X1 ),
    inference(cnf_transformation,[status(thm)],[f310]) ).

fof(f312,plain,
    ! [X0,X1] :
      ( X1 = X0
      | neq(X1,X0)
      | ~ ssList(X1)
      | ~ ssList(X0) ),
    inference(cnf_transformation,[status(thm)],[f100]) ).

fof(f313,plain,
    ! [X0] :
      ( cons(skaf44(X0),nil) = X0
      | ~ ssList(X0)
      | ~ singletonP(X0) ),
    inference(cnf_transformation,[status(thm)],[f101]) ).

fof(f330,plain,
    ! [U] :
      ( ~ ssList(U)
      | ! [V] :
          ( ~ ssList(V)
          | ~ neq(U,V)
          | U != V ) ),
    inference(miniscoping,[status(thm)],[f115]) ).

fof(f331,plain,
    ! [X0,X1] :
      ( ~ ssList(X0)
      | ~ ssList(X1)
      | ~ neq(X0,X1)
      | X0 != X1 ),
    inference(cnf_transformation,[status(thm)],[f330]) ).

fof(f336,plain,
    ! [U] :
      ( nil = U
      | ~ ssList(U)
      | ! [V] :
          ( ~ ssList(V)
          | app(U,V) != nil ) ),
    inference(miniscoping,[status(thm)],[f118]) ).

fof(f337,plain,
    ! [X0,X1] :
      ( nil = X0
      | ~ ssList(X0)
      | ~ ssList(X1)
      | app(X0,X1) != nil ),
    inference(cnf_transformation,[status(thm)],[f336]) ).

fof(f338,plain,
    ! [V] :
      ( nil = V
      | ! [U] :
          ( ~ ssList(U)
          | ~ ssList(V)
          | app(U,V) != nil ) ),
    inference(miniscoping,[status(thm)],[f119]) ).

fof(f339,plain,
    ! [X0,X1] :
      ( nil = X1
      | ~ ssList(X0)
      | ~ ssList(X1)
      | app(X0,X1) != nil ),
    inference(cnf_transformation,[status(thm)],[f338]) ).

fof(f340,plain,
    ! [X0,X1] :
      ( app(cons(X0,nil),X1) = cons(X0,X1)
      | ~ ssList(X1)
      | ~ ssItem(X0) ),
    inference(cnf_transformation,[status(thm)],[f120]) ).

fof(f349,plain,
    ! [X0,X1] :
      ( X1 = X0
      | ~ ssList(X1)
      | ~ ssList(X0)
      | ~ segmentP(X1,X0)
      | ~ segmentP(X0,X1) ),
    inference(cnf_transformation,[status(thm)],[f127]) ).

fof(f378,plain,
    ! [X0,X1,X2] :
      ( app(app(X2,X1),X0) = app(X2,app(X1,X0))
      | ~ ssList(X2)
      | ~ ssList(X1)
      | ~ ssList(X0) ),
    inference(cnf_transformation,[status(thm)],[f149]) ).

fof(f379,plain,
    ! [V,W] :
      ( V = W
      | ~ ssList(W)
      | ! [U] :
          ( ~ ssList(U)
          | ~ ssList(V)
          | app(U,V) != app(U,W) ) ),
    inference(miniscoping,[status(thm)],[f150]) ).

fof(f380,plain,
    ! [X0,X1,X2] :
      ( X1 = X2
      | ~ ssList(X2)
      | ~ ssList(X0)
      | ~ ssList(X1)
      | app(X0,X1) != app(X0,X2) ),
    inference(cnf_transformation,[status(thm)],[f379]) ).

fof(f381,plain,
    ! [U,W] :
      ( U = W
      | ~ ssList(W)
      | ! [V] :
          ( ~ ssList(V)
          | ~ ssList(U)
          | app(U,V) != app(W,V) ) ),
    inference(miniscoping,[status(thm)],[f151]) ).

fof(f382,plain,
    ! [X0,X1,X2] :
      ( X0 = X2
      | ~ ssList(X2)
      | ~ ssList(X1)
      | ~ ssList(X0)
      | app(X0,X1) != app(X2,X1) ),
    inference(cnf_transformation,[status(thm)],[f381]) ).

fof(f383,plain,
    ! [U,W] :
      ( segmentP(U,W)
      | ~ ssList(U)
      | ! [V] :
          ( ~ ssList(V)
          | ~ ssList(W)
          | ~ segmentP(V,W)
          | ~ segmentP(U,V) ) ),
    inference(miniscoping,[status(thm)],[f152]) ).

fof(f384,plain,
    ! [X0,X1,X2] :
      ( segmentP(X0,X2)
      | ~ ssList(X0)
      | ~ ssList(X1)
      | ~ ssList(X2)
      | ~ segmentP(X1,X2)
      | ~ segmentP(X0,X1) ),
    inference(cnf_transformation,[status(thm)],[f383]) ).

fof(f410,plain,
    ! [U,W] :
      ( U = W
      | ! [V] :
          ( ~ ssList(V)
          | ! [X] :
              ( ~ ssList(X)
              | ~ ssItem(U)
              | ~ ssItem(W)
              | cons(U,V) != cons(W,X) ) ) ),
    inference(miniscoping,[status(thm)],[f170]) ).

fof(f411,plain,
    ! [X0,X1,X2,X3] :
      ( X0 = X2
      | ~ ssList(X1)
      | ~ ssList(X3)
      | ~ ssItem(X0)
      | ~ ssItem(X2)
      | cons(X0,X1) != cons(X2,X3) ),
    inference(cnf_transformation,[status(thm)],[f410]) ).

fof(f412,plain,
    ! [V,X] :
      ( X = V
      | ~ ssList(V)
      | ~ ssList(X)
      | ! [U] :
          ( ~ ssItem(U)
          | ! [W] :
              ( ~ ssItem(W)
              | cons(U,V) != cons(W,X) ) ) ),
    inference(miniscoping,[status(thm)],[f171]) ).

fof(f413,plain,
    ! [X0,X1,X2,X3] :
      ( X3 = X1
      | ~ ssList(X1)
      | ~ ssList(X3)
      | ~ ssItem(X0)
      | ~ ssItem(X2)
      | cons(X0,X1) != cons(X2,X3) ),
    inference(cnf_transformation,[status(thm)],[f412]) ).

fof(f415,plain,
    ! [V,X] :
      ( segmentP(X,V)
      | ~ ssList(X)
      | ~ ssList(V)
      | ! [U] :
          ( ~ ssList(U)
          | ! [W] :
              ( ~ ssList(W)
              | app(app(U,V),W) != X ) ) ),
    inference(miniscoping,[status(thm)],[f173]) ).

fof(f416,plain,
    ! [X0,X1,X2,X3] :
      ( segmentP(X3,X1)
      | ~ ssList(X3)
      | ~ ssList(X1)
      | ~ ssList(X0)
      | ~ ssList(X2)
      | app(app(X0,X1),X2) != X3 ),
    inference(cnf_transformation,[status(thm)],[f415]) ).

fof(f442,plain,
    ssList(sk3),
    inference(cnf_transformation,[status(thm)],[f188]) ).

fof(f443,plain,
    ssList(sk4),
    inference(cnf_transformation,[status(thm)],[f189]) ).

fof(f444,plain,
    sk2 = sk4,
    inference(cnf_transformation,[status(thm)],[f190]) ).

fof(f445,plain,
    sk1 = sk3,
    inference(cnf_transformation,[status(thm)],[f191]) ).

fof(f446,plain,
    ( nil = sk4
    | ssItem(sk5) ),
    inference(cnf_transformation,[status(thm)],[f192]) ).

fof(f447,plain,
    ( nil = sk3
    | ssItem(sk5) ),
    inference(cnf_transformation,[status(thm)],[f193]) ).

fof(f450,plain,
    ( nil = sk4
    | cons(sk5,nil) = sk3 ),
    inference(cnf_transformation,[status(thm)],[f196]) ).

fof(f456,plain,
    ( nil = sk3
    | ssList(sk6) ),
    inference(cnf_transformation,[status(thm)],[f200]) ).

fof(f457,plain,
    ( nil = sk3
    | ssList(sk7) ),
    inference(cnf_transformation,[status(thm)],[f201]) ).

fof(f458,plain,
    ( nil = sk3
    | cons(sk5,nil) = sk3 ),
    inference(cnf_transformation,[status(thm)],[f202]) ).

fof(f459,plain,
    ( nil = sk3
    | app(app(sk6,sk3),sk7) = sk4 ),
    inference(cnf_transformation,[status(thm)],[f203]) ).

fof(f465,plain,
    ( ~ segmentP(sk2,sk1)
    | ~ neq(sk1,nil)
    | nil = sk2 ),
    inference(cnf_transformation,[status(thm)],[f207]) ).

fof(f466,plain,
    ( neq(sk2,nil)
    | nil != sk1 ),
    inference(cnf_transformation,[status(thm)],[f208]) ).

fof(f475,definition,
    ( sQ2_spl
  <=> ssItem(sk5) ),
    introduced(definition,[new_symbols(definition,[sQ2_spl])],[split_symbol_definition]) ).

fof(f478,definition,
    ( sQ3_spl
  <=> nil = sk4 ),
    introduced(definition,[new_symbols(definition,[sQ3_spl])],[split_symbol_definition]) ).

fof(f479,plain,
    ( ~ sQ3_spl
    | nil = sk4 ),
    inference(component_clause,[status(thm)],[f478]) ).

fof(f481,plain,
    ( sQ3_spl
    | sQ2_spl ),
    inference(split_clause,[status(thm)],[f446,f475,f478]) ).

fof(f482,definition,
    ( sQ4_spl
  <=> nil = sk3 ),
    introduced(definition,[new_symbols(definition,[sQ4_spl])],[split_symbol_definition]) ).

fof(f483,plain,
    ( ~ sQ4_spl
    | nil = sk3 ),
    inference(component_clause,[status(thm)],[f482]) ).

fof(f484,plain,
    ( sQ4_spl
    | nil != sk3 ),
    inference(component_clause,[status(thm)],[f482]) ).

fof(f485,plain,
    ( sQ4_spl
    | sQ2_spl ),
    inference(split_clause,[status(thm)],[f447,f475,f482]) ).

fof(f486,definition,
    ( sQ5_spl
  <=> ssList(sk6) ),
    introduced(definition,[new_symbols(definition,[sQ5_spl])],[split_symbol_definition]) ).

fof(f490,definition,
    ( sQ6_spl
  <=> ssList(sk7) ),
    introduced(definition,[new_symbols(definition,[sQ6_spl])],[split_symbol_definition]) ).

fof(f494,definition,
    ( sQ7_spl
  <=> cons(sk5,nil) = sk3 ),
    introduced(definition,[new_symbols(definition,[sQ7_spl])],[split_symbol_definition]) ).

fof(f495,plain,
    ( ~ sQ7_spl
    | cons(sk5,nil) = sk3 ),
    inference(component_clause,[status(thm)],[f494]) ).

fof(f497,plain,
    ( sQ3_spl
    | sQ7_spl ),
    inference(split_clause,[status(thm)],[f450,f494,f478]) ).

fof(f498,definition,
    ( sQ8_spl
  <=> app(app(sk6,sk3),sk7) = sk4 ),
    introduced(definition,[new_symbols(definition,[sQ8_spl])],[split_symbol_definition]) ).

fof(f499,plain,
    ( ~ sQ8_spl
    | app(app(sk6,sk3),sk7) = sk4 ),
    inference(component_clause,[status(thm)],[f498]) ).

fof(f510,plain,
    ( sQ4_spl
    | sQ5_spl ),
    inference(split_clause,[status(thm)],[f456,f486,f482]) ).

fof(f511,plain,
    ( sQ4_spl
    | sQ6_spl ),
    inference(split_clause,[status(thm)],[f457,f490,f482]) ).

fof(f512,plain,
    ( sQ4_spl
    | sQ7_spl ),
    inference(split_clause,[status(thm)],[f458,f494,f482]) ).

fof(f513,plain,
    ( sQ4_spl
    | sQ8_spl ),
    inference(split_clause,[status(thm)],[f459,f498,f482]) ).

fof(f516,definition,
    ( sQ11_spl
  <=> nil = sk2 ),
    introduced(definition,[new_symbols(definition,[sQ11_spl])],[split_symbol_definition]) ).

fof(f517,plain,
    ( ~ sQ11_spl
    | nil = sk2 ),
    inference(component_clause,[status(thm)],[f516]) ).

fof(f518,plain,
    ( sQ11_spl
    | nil != sk2 ),
    inference(component_clause,[status(thm)],[f516]) ).

fof(f519,definition,
    ( sQ12_spl
  <=> neq(sk2,nil) ),
    introduced(definition,[new_symbols(definition,[sQ12_spl])],[split_symbol_definition]) ).

fof(f520,plain,
    ( ~ sQ12_spl
    | neq(sk2,nil) ),
    inference(component_clause,[status(thm)],[f519]) ).

fof(f523,definition,
    ( sQ13_spl
  <=> neq(sk1,nil) ),
    introduced(definition,[new_symbols(definition,[sQ13_spl])],[split_symbol_definition]) ).

fof(f525,plain,
    ( sQ13_spl
    | ~ neq(sk1,nil) ),
    inference(component_clause,[status(thm)],[f523]) ).

fof(f526,definition,
    ( sQ14_spl
  <=> segmentP(sk2,sk1) ),
    introduced(definition,[new_symbols(definition,[sQ14_spl])],[split_symbol_definition]) ).

fof(f528,plain,
    ( sQ14_spl
    | ~ segmentP(sk2,sk1) ),
    inference(component_clause,[status(thm)],[f526]) ).

fof(f529,plain,
    ( ~ sQ14_spl
    | ~ sQ13_spl
    | sQ11_spl ),
    inference(split_clause,[status(thm)],[f465,f516,f523,f526]) ).

fof(f530,definition,
    ( sQ15_spl
  <=> nil = sk1 ),
    introduced(definition,[new_symbols(definition,[sQ15_spl])],[split_symbol_definition]) ).

fof(f532,plain,
    ( sQ15_spl
    | nil != sk1 ),
    inference(component_clause,[status(thm)],[f530]) ).

fof(f533,plain,
    ( sQ12_spl
    | ~ sQ15_spl ),
    inference(split_clause,[status(thm)],[f466,f530,f519]) ).

fof(f542,plain,
    ! [X1] :
      ( ~ ssList(X1)
      | ~ ssList(X1)
      | ~ neq(X1,X1) ),
    inference(destructive_equality_resolution,[status(thm)],[f331]) ).

fof(f543,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | ~ neq(X0,X0) ),
    inference(duplicate_literals_removal,[status(thm)],[f542]) ).

fof(f553,plain,
    ! [X0,X1,X2] :
      ( segmentP(app(app(X1,X2),X0),X2)
      | ~ ssList(app(app(X1,X2),X0))
      | ~ ssList(X2)
      | ~ ssList(X1)
      | ~ ssList(X0) ),
    inference(destructive_equality_resolution,[status(thm)],[f416]) ).

fof(f567,plain,
    ( ~ sQ4_spl
    | ~ sQ3_spl
    | nil = sk4 ),
    inference(backward_demodulation,[status(thm)],[f570,f483]) ).

fof(f568,plain,
    ( ~ sQ3_spl
    | ~ sQ4_spl
    | sk1 = sk4 ),
    inference(backward_demodulation,[status(thm)],[f570,f445]) ).

fof(f570,plain,
    ( ~ sQ3_spl
    | ~ sQ4_spl
    | sk3 = sk4 ),
    inference(forward_demodulation,[status(thm)],[f483,f479]) ).

fof(f571,plain,
    ( sQ15_spl
    | ~ sQ11_spl
    | sk4 != sk1 ),
    inference(backward_demodulation,[status(thm)],[f572,f532]) ).

fof(f572,plain,
    ( ~ sQ11_spl
    | nil = sk4 ),
    inference(forward_demodulation,[status(thm)],[f444,f517]) ).

fof(f573,plain,
    ( sQ15_spl
    | ~ sQ11_spl
    | ~ sQ3_spl
    | ~ sQ4_spl
    | sk4 != sk4 ),
    inference(forward_demodulation,[status(thm)],[f568,f571]) ).

fof(f574,plain,
    ( sQ15_spl
    | ~ sQ11_spl
    | ~ sQ3_spl
    | ~ sQ4_spl
    | $false ),
    inference(trivial_equality_resolution,[status(thm)],[f573]) ).

fof(f575,plain,
    ( sQ15_spl
    | ~ sQ11_spl
    | ~ sQ3_spl
    | ~ sQ4_spl ),
    inference(contradiction_clause,[status(thm)],[f574]) ).

fof(f576,plain,
    ( ~ sQ12_spl
    | neq(sk4,nil) ),
    inference(forward_demodulation,[status(thm)],[f444,f520]) ).

fof(f578,plain,
    ( sQ11_spl
    | nil != sk4 ),
    inference(forward_demodulation,[status(thm)],[f444,f518]) ).

fof(f579,plain,
    ( sQ11_spl
    | ~ sQ4_spl
    | ~ sQ3_spl
    | sk4 != sk4 ),
    inference(forward_demodulation,[status(thm)],[f567,f578]) ).

fof(f580,plain,
    ( sQ11_spl
    | ~ sQ4_spl
    | ~ sQ3_spl
    | $false ),
    inference(trivial_equality_resolution,[status(thm)],[f579]) ).

fof(f581,plain,
    ( sQ11_spl
    | ~ sQ4_spl
    | ~ sQ3_spl ),
    inference(contradiction_clause,[status(thm)],[f580]) ).

fof(f582,plain,
    ( ~ sQ11_spl
    | sQ3_spl ),
    inference(split_clause,[status(thm)],[f572,f478,f516]) ).

fof(f591,plain,
    ! [X0] :
      ( ~ sQ3_spl
      | segmentP(X0,sk4)
      | ~ ssList(X0) ),
    inference(backward_demodulation,[status(thm)],[f479,f265]) ).

fof(f593,plain,
    ( ~ sQ12_spl
    | ~ sQ3_spl
    | neq(sk4,sk4) ),
    inference(forward_demodulation,[status(thm)],[f479,f576]) ).

fof(f595,plain,
    ( sQ13_spl
    | ~ neq(sk3,nil) ),
    inference(forward_demodulation,[status(thm)],[f445,f525]) ).

fof(f601,plain,
    ( ~ sQ12_spl
    | ~ sQ3_spl
    | ~ ssList(sk4) ),
    inference(resolution,[status(thm)],[f543,f593]) ).

fof(f602,plain,
    ( ~ sQ12_spl
    | ~ sQ3_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f601,f443]) ).

fof(f603,plain,
    ( ~ sQ12_spl
    | ~ sQ3_spl ),
    inference(contradiction_clause,[status(thm)],[f602]) ).

fof(f604,plain,
    ( ~ ssList(nil)
    | nil = nil
    | ~ ssList(nil) ),
    inference(resolution,[status(thm)],[f290,f265]) ).

fof(f606,definition,
    ( sQ16_spl
  <=> ssList(nil) ),
    introduced(definition,[new_symbols(definition,[sQ16_spl])],[split_symbol_definition]) ).

fof(f608,plain,
    ( sQ16_spl
    | ~ ssList(nil) ),
    inference(component_clause,[status(thm)],[f606]) ).

fof(f609,definition,
    ( sQ17_spl
  <=> nil = nil ),
    introduced(definition,[new_symbols(definition,[sQ17_spl])],[split_symbol_definition]) ).

fof(f612,plain,
    ( sQ17_spl
    | ~ sQ16_spl ),
    inference(split_clause,[status(thm)],[f604,f606,f609]) ).

fof(f614,plain,
    ( sQ16_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f608,f217]) ).

fof(f615,plain,
    sQ16_spl,
    inference(contradiction_clause,[status(thm)],[f614]) ).

fof(f627,plain,
    ! [X0] :
      ( ~ sQ3_spl
      | sk4 = X0
      | ~ ssList(X0)
      | ~ segmentP(nil,X0) ),
    inference(backward_demodulation,[status(thm)],[f479,f290]) ).

fof(f632,plain,
    ! [X0] :
      ( ~ sQ3_spl
      | sk4 = X0
      | ~ ssList(X0)
      | ~ segmentP(sk4,X0) ),
    inference(forward_demodulation,[status(thm)],[f479,f627]) ).

fof(f636,plain,
    ( ~ sQ8_spl
    | ssList(sk4)
    | ~ ssList(app(sk6,sk3))
    | ~ ssList(sk7) ),
    inference(paramodulation,[status(thm)],[f499,f295]) ).

fof(f637,definition,
    ( sQ18_spl
  <=> ssList(app(sk6,sk3)) ),
    introduced(definition,[new_symbols(definition,[sQ18_spl])],[split_symbol_definition]) ).

fof(f639,plain,
    ( sQ18_spl
    | ~ ssList(app(sk6,sk3)) ),
    inference(component_clause,[status(thm)],[f637]) ).

fof(f640,definition,
    ( sQ19_spl
  <=> ssList(sk4) ),
    introduced(definition,[new_symbols(definition,[sQ19_spl])],[split_symbol_definition]) ).

fof(f643,plain,
    ( ~ sQ8_spl
    | sQ19_spl
    | ~ sQ18_spl
    | ~ sQ6_spl ),
    inference(split_clause,[status(thm)],[f636,f490,f637,f640,f498]) ).

fof(f645,definition,
    ( sQ20_spl
  <=> ssList(sk3) ),
    introduced(definition,[new_symbols(definition,[sQ20_spl])],[split_symbol_definition]) ).

fof(f647,plain,
    ( sQ20_spl
    | ~ ssList(sk3) ),
    inference(component_clause,[status(thm)],[f645]) ).

fof(f649,plain,
    ( sQ18_spl
    | ~ ssList(sk6)
    | ~ ssList(sk3) ),
    inference(resolution,[status(thm)],[f639,f295]) ).

fof(f650,plain,
    ( sQ18_spl
    | ~ sQ5_spl
    | ~ sQ20_spl ),
    inference(split_clause,[status(thm)],[f649,f645,f486,f637]) ).

fof(f651,plain,
    ( sQ20_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f647,f442]) ).

fof(f652,plain,
    sQ20_spl,
    inference(contradiction_clause,[status(thm)],[f651]) ).

fof(f660,plain,
    ( ~ sQ3_spl
    | ~ ssList(sk4)
    | sk4 = sk4
    | ~ ssList(sk4) ),
    inference(resolution,[status(thm)],[f632,f591]) ).

fof(f662,definition,
    ( sQ22_spl
  <=> sk4 = sk4 ),
    introduced(definition,[new_symbols(definition,[sQ22_spl])],[split_symbol_definition]) ).

fof(f665,plain,
    ( ~ sQ3_spl
    | sQ22_spl
    | ~ sQ19_spl ),
    inference(split_clause,[status(thm)],[f660,f640,f662,f478]) ).

fof(f681,plain,
    ! [X0,X1] :
      ( ~ sQ3_spl
      | nil = X0
      | ~ ssList(X0)
      | ~ ssList(X1)
      | app(X0,X1) != sk4 ),
    inference(forward_demodulation,[status(thm)],[f479,f337]) ).

fof(f682,plain,
    ! [X0,X1] :
      ( ~ sQ3_spl
      | sk4 = X0
      | ~ ssList(X0)
      | ~ ssList(X1)
      | app(X0,X1) != sk4 ),
    inference(forward_demodulation,[status(thm)],[f479,f681]) ).

fof(f686,plain,
    ( ~ sQ8_spl
    | ~ sQ3_spl
    | sk4 = app(sk6,sk3)
    | ~ ssList(app(sk6,sk3))
    | ~ ssList(sk7)
    | sk4 != sk4 ),
    inference(paramodulation,[status(thm)],[f499,f682]) ).

fof(f688,definition,
    ( sQ24_spl
  <=> sk4 = app(sk6,sk3) ),
    introduced(definition,[new_symbols(definition,[sQ24_spl])],[split_symbol_definition]) ).

fof(f693,plain,
    ( ~ sQ8_spl
    | ~ sQ3_spl
    | sQ24_spl
    | ~ sQ18_spl
    | ~ sQ6_spl
    | ~ sQ22_spl ),
    inference(split_clause,[status(thm)],[f686,f662,f490,f637,f688,f478,f498]) ).

fof(f741,plain,
    ( sQ13_spl
    | sk3 = nil
    | ~ ssList(sk3)
    | ~ ssList(nil) ),
    inference(resolution,[status(thm)],[f595,f312]) ).

fof(f749,plain,
    ( sQ13_spl
    | sQ4_spl
    | ~ sQ20_spl
    | ~ sQ16_spl ),
    inference(split_clause,[status(thm)],[f741,f606,f645,f482,f523]) ).

fof(f750,plain,
    ( sQ14_spl
    | ~ segmentP(sk4,sk1) ),
    inference(forward_demodulation,[status(thm)],[f444,f528]) ).

fof(f751,plain,
    ( sQ14_spl
    | ~ segmentP(sk4,sk3) ),
    inference(forward_demodulation,[status(thm)],[f445,f750]) ).

fof(f752,plain,
    ( ~ sQ7_spl
    | ~ ssList(nil)
    | ~ ssItem(sk5)
    | sk3 != nil ),
    inference(paramodulation,[status(thm)],[f495,f311]) ).

fof(f754,plain,
    ( ~ sQ7_spl
    | ~ sQ16_spl
    | ~ sQ2_spl
    | ~ sQ4_spl ),
    inference(split_clause,[status(thm)],[f752,f482,f475,f606,f494]) ).

fof(f759,plain,
    ! [X0] :
      ( ~ sQ7_spl
      | app(sk3,X0) = cons(sk5,X0)
      | ~ ssList(X0)
      | ~ ssItem(sk5) ),
    inference(paramodulation,[status(thm)],[f495,f340]) ).

fof(f760,definition,
    ! [X0] :
      ( sQ28_spl
    <=> ( app(sk3,X0) = cons(sk5,X0)
        | ~ ssList(X0) ) ),
    introduced(definition,[new_symbols(definition,[sQ28_spl])],[split_symbol_definition]) ).

fof(f761,plain,
    ! [X0] :
      ( ~ sQ28_spl
      | app(sk3,X0) = cons(sk5,X0)
      | ~ ssList(X0) ),
    inference(component_clause,[status(thm)],[f760]) ).

fof(f763,plain,
    ( ~ sQ7_spl
    | sQ28_spl
    | ~ sQ2_spl ),
    inference(split_clause,[status(thm)],[f759,f475,f760,f494]) ).

fof(f766,definition,
    ( sQ29_spl
  <=> nil = sk7 ),
    introduced(definition,[new_symbols(definition,[sQ29_spl])],[split_symbol_definition]) ).

fof(f767,plain,
    ( ~ sQ29_spl
    | nil = sk7 ),
    inference(component_clause,[status(thm)],[f766]) ).

fof(f771,plain,
    ( ~ sQ7_spl
    | ~ sQ28_spl
    | app(sk3,nil) = sk3
    | ~ ssList(nil) ),
    inference(paramodulation,[status(thm)],[f495,f761]) ).

fof(f772,definition,
    ( sQ30_spl
  <=> app(sk3,nil) = sk3 ),
    introduced(definition,[new_symbols(definition,[sQ30_spl])],[split_symbol_definition]) ).

fof(f773,plain,
    ( ~ sQ30_spl
    | app(sk3,nil) = sk3 ),
    inference(component_clause,[status(thm)],[f772]) ).

fof(f775,plain,
    ( ~ sQ7_spl
    | ~ sQ28_spl
    | sQ30_spl
    | ~ sQ16_spl ),
    inference(split_clause,[status(thm)],[f771,f606,f772,f760,f494]) ).

fof(f789,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | X0 = nil
      | ~ ssList(X0)
      | ~ ssList(nil)
      | ~ segmentP(nil,X0) ),
    inference(resolution,[status(thm)],[f349,f265]) ).

fof(f791,definition,
    ! [X0] :
      ( sQ32_spl
    <=> ( ~ ssList(X0)
        | X0 = nil
        | ~ ssList(X0)
        | ~ segmentP(nil,X0) ) ),
    introduced(definition,[new_symbols(definition,[sQ32_spl])],[split_symbol_definition]) ).

fof(f794,plain,
    ( ~ sQ16_spl
    | sQ32_spl ),
    inference(split_clause,[status(thm)],[f789,f791,f606]) ).

fof(f823,plain,
    ! [X0] :
      ( ~ ssList(app(nil,X0))
      | app(nil,X0) = X0
      | ~ ssList(X0)
      | ~ ssList(nil)
      | ~ ssList(app(nil,X0)) ),
    inference(resolution,[status(thm)],[f380,f284]) ).

fof(f825,plain,
    ! [X0] :
      ( ~ sQ30_spl
      | nil = X0
      | ~ ssList(X0)
      | ~ ssList(sk3)
      | ~ ssList(nil)
      | sk3 != app(sk3,X0) ),
    inference(paramodulation,[status(thm)],[f773,f380]) ).

fof(f830,definition,
    ! [X0] :
      ( sQ36_spl
    <=> ( ~ ssList(app(nil,X0))
        | app(nil,X0) = X0
        | ~ ssList(X0)
        | ~ ssList(app(nil,X0)) ) ),
    introduced(definition,[new_symbols(definition,[sQ36_spl])],[split_symbol_definition]) ).

fof(f833,plain,
    ( ~ sQ16_spl
    | sQ36_spl ),
    inference(split_clause,[status(thm)],[f823,f830,f606]) ).

fof(f835,definition,
    ! [X0] :
      ( sQ37_spl
    <=> ( nil = X0
        | ~ ssList(X0)
        | sk3 != app(sk3,X0) ) ),
    introduced(definition,[new_symbols(definition,[sQ37_spl])],[split_symbol_definition]) ).

fof(f836,plain,
    ! [X0] :
      ( ~ sQ37_spl
      | nil = X0
      | ~ ssList(X0)
      | sk3 != app(sk3,X0) ),
    inference(component_clause,[status(thm)],[f835]) ).

fof(f838,plain,
    ( ~ sQ30_spl
    | ~ sQ20_spl
    | ~ sQ16_spl
    | sQ37_spl ),
    inference(split_clause,[status(thm)],[f825,f835,f606,f645,f772]) ).

fof(f926,plain,
    ( ~ sQ8_spl
    | sk4 = app(sk6,app(sk3,sk7))
    | ~ ssList(sk6)
    | ~ ssList(sk3)
    | ~ ssList(sk7) ),
    inference(paramodulation,[status(thm)],[f499,f378]) ).

fof(f929,definition,
    ( sQ48_spl
  <=> sk4 = app(sk6,app(sk3,sk7)) ),
    introduced(definition,[new_symbols(definition,[sQ48_spl])],[split_symbol_definition]) ).

fof(f930,plain,
    ( ~ sQ48_spl
    | sk4 = app(sk6,app(sk3,sk7)) ),
    inference(component_clause,[status(thm)],[f929]) ).

fof(f932,plain,
    ( ~ sQ8_spl
    | sQ48_spl
    | ~ sQ5_spl
    | ~ sQ20_spl
    | ~ sQ6_spl ),
    inference(split_clause,[status(thm)],[f926,f490,f645,f486,f929,f498]) ).

fof(f962,plain,
    ! [X0] :
      ( ~ ssList(app(X0,nil))
      | app(X0,nil) = X0
      | ~ ssList(X0)
      | ~ ssList(nil)
      | ~ ssList(app(X0,nil)) ),
    inference(resolution,[status(thm)],[f382,f283]) ).

fof(f969,definition,
    ! [X0] :
      ( sQ51_spl
    <=> ( ~ ssList(app(X0,nil))
        | app(X0,nil) = X0
        | ~ ssList(X0)
        | ~ ssList(app(X0,nil)) ) ),
    introduced(definition,[new_symbols(definition,[sQ51_spl])],[split_symbol_definition]) ).

fof(f972,plain,
    ( ~ sQ16_spl
    | sQ51_spl ),
    inference(split_clause,[status(thm)],[f962,f969,f606]) ).

fof(f986,plain,
    ! [X0,X1] :
      ( ~ ssList(X1)
      | segmentP(X0,nil)
      | ~ ssList(X0)
      | ~ ssList(X1)
      | ~ ssList(nil)
      | ~ segmentP(X0,X1) ),
    inference(resolution,[status(thm)],[f384,f265]) ).

fof(f988,definition,
    ! [X0,X1] :
      ( sQ54_spl
    <=> ( ~ ssList(X1)
        | segmentP(X0,nil)
        | ~ ssList(X0)
        | ~ ssList(X1)
        | ~ segmentP(X0,X1) ) ),
    introduced(definition,[new_symbols(definition,[sQ54_spl])],[split_symbol_definition]) ).

fof(f991,plain,
    ( ~ sQ16_spl
    | sQ54_spl ),
    inference(split_clause,[status(thm)],[f986,f988,f606]) ).

fof(f1001,plain,
    ! [X0] :
      ( ~ sQ48_spl
      | X0 = app(sk3,sk7)
      | ~ ssList(app(sk3,sk7))
      | ~ ssList(sk6)
      | ~ ssList(X0)
      | app(sk6,X0) != sk4 ),
    inference(paramodulation,[status(thm)],[f930,f380]) ).

fof(f1003,plain,
    ( ~ sQ48_spl
    | nil = sk6
    | ~ ssList(sk6)
    | ~ ssList(app(sk3,sk7))
    | sk4 != nil ),
    inference(paramodulation,[status(thm)],[f930,f337]) ).

fof(f1004,plain,
    ( ~ sQ48_spl
    | nil = app(sk3,sk7)
    | ~ ssList(sk6)
    | ~ ssList(app(sk3,sk7))
    | sk4 != nil ),
    inference(paramodulation,[status(thm)],[f930,f339]) ).

fof(f1009,definition,
    ( sQ56_spl
  <=> ssList(app(sk3,sk7)) ),
    introduced(definition,[new_symbols(definition,[sQ56_spl])],[split_symbol_definition]) ).

fof(f1011,plain,
    ( sQ56_spl
    | ~ ssList(app(sk3,sk7)) ),
    inference(component_clause,[status(thm)],[f1009]) ).

fof(f1018,definition,
    ! [X0] :
      ( sQ58_spl
    <=> ( X0 = app(sk3,sk7)
        | ~ ssList(X0)
        | app(sk6,X0) != sk4 ) ),
    introduced(definition,[new_symbols(definition,[sQ58_spl])],[split_symbol_definition]) ).

fof(f1019,plain,
    ! [X0] :
      ( ~ sQ58_spl
      | X0 = app(sk3,sk7)
      | ~ ssList(X0)
      | app(sk6,X0) != sk4 ),
    inference(component_clause,[status(thm)],[f1018]) ).

fof(f1021,plain,
    ( ~ sQ48_spl
    | ~ sQ56_spl
    | ~ sQ5_spl
    | sQ58_spl ),
    inference(split_clause,[status(thm)],[f1001,f1018,f486,f1009,f929]) ).

fof(f1023,definition,
    ( sQ59_spl
  <=> nil = sk6 ),
    introduced(definition,[new_symbols(definition,[sQ59_spl])],[split_symbol_definition]) ).

fof(f1024,plain,
    ( ~ sQ59_spl
    | nil = sk6 ),
    inference(component_clause,[status(thm)],[f1023]) ).

fof(f1026,plain,
    ( ~ sQ48_spl
    | sQ59_spl
    | ~ sQ5_spl
    | ~ sQ56_spl
    | ~ sQ3_spl ),
    inference(split_clause,[status(thm)],[f1003,f478,f1009,f486,f1023,f929]) ).

fof(f1027,definition,
    ( sQ60_spl
  <=> nil = app(sk3,sk7) ),
    introduced(definition,[new_symbols(definition,[sQ60_spl])],[split_symbol_definition]) ).

fof(f1028,plain,
    ( ~ sQ60_spl
    | nil = app(sk3,sk7) ),
    inference(component_clause,[status(thm)],[f1027]) ).

fof(f1030,plain,
    ( ~ sQ48_spl
    | sQ60_spl
    | ~ sQ5_spl
    | ~ sQ56_spl
    | ~ sQ3_spl ),
    inference(split_clause,[status(thm)],[f1004,f478,f1009,f486,f1027,f929]) ).

fof(f1032,plain,
    ( sQ56_spl
    | ~ ssList(sk3)
    | ~ ssList(sk7) ),
    inference(resolution,[status(thm)],[f1011,f295]) ).

fof(f1033,plain,
    ( sQ56_spl
    | ~ sQ20_spl
    | ~ sQ6_spl ),
    inference(split_clause,[status(thm)],[f1032,f490,f645,f1009]) ).

fof(f1175,plain,
    ( ~ sQ37_spl
    | ~ sQ58_spl
    | nil = sk7
    | ~ ssList(sk7)
    | ~ ssList(sk3)
    | app(sk6,sk3) != sk4 ),
    inference(resolution,[status(thm)],[f1019,f836]) ).

fof(f1186,plain,
    ( ~ sQ37_spl
    | ~ sQ58_spl
    | sQ29_spl
    | ~ sQ6_spl
    | ~ sQ20_spl
    | ~ sQ24_spl ),
    inference(split_clause,[status(thm)],[f1175,f688,f645,f490,f766,f1018,f835]) ).

fof(f1230,plain,
    ( sQ4_spl
    | ~ sQ29_spl
    | sk7 != sk3 ),
    inference(backward_demodulation,[status(thm)],[f767,f484]) ).

fof(f1340,plain,
    ( ~ sQ8_spl
    | segmentP(sk4,sk3)
    | ~ ssList(app(app(sk6,sk3),sk7))
    | ~ ssList(sk3)
    | ~ ssList(sk6)
    | ~ ssList(sk7) ),
    inference(paramodulation,[status(thm)],[f499,f553]) ).

fof(f1344,definition,
    ( sQ94_spl
  <=> ssList(app(app(sk6,sk3),sk7)) ),
    introduced(definition,[new_symbols(definition,[sQ94_spl])],[split_symbol_definition]) ).

fof(f1346,plain,
    ( sQ94_spl
    | ~ ssList(app(app(sk6,sk3),sk7)) ),
    inference(component_clause,[status(thm)],[f1344]) ).

fof(f1347,definition,
    ( sQ95_spl
  <=> segmentP(sk4,sk3) ),
    introduced(definition,[new_symbols(definition,[sQ95_spl])],[split_symbol_definition]) ).

fof(f1348,plain,
    ( ~ sQ95_spl
    | segmentP(sk4,sk3) ),
    inference(component_clause,[status(thm)],[f1347]) ).

fof(f1350,plain,
    ( ~ sQ8_spl
    | sQ95_spl
    | ~ sQ94_spl
    | ~ sQ20_spl
    | ~ sQ5_spl
    | ~ sQ6_spl ),
    inference(split_clause,[status(thm)],[f1340,f490,f486,f645,f1344,f1347,f498]) ).

fof(f1356,plain,
    ( sQ94_spl
    | ~ sQ8_spl
    | ~ ssList(sk4) ),
    inference(forward_demodulation,[status(thm)],[f499,f1346]) ).

fof(f1357,plain,
    ( sQ94_spl
    | ~ sQ8_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f1356,f443]) ).

fof(f1358,plain,
    ( sQ94_spl
    | ~ sQ8_spl ),
    inference(contradiction_clause,[status(thm)],[f1357]) ).

fof(f1359,plain,
    ( ~ sQ95_spl
    | sQ14_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f1348,f751]) ).

fof(f1360,plain,
    ( ~ sQ95_spl
    | sQ14_spl ),
    inference(contradiction_clause,[status(thm)],[f1359]) ).

fof(f1402,plain,
    ( ~ sQ59_spl
    | ~ sQ29_spl
    | nil = sk7 ),
    inference(backward_demodulation,[status(thm)],[f1409,f1024]) ).

fof(f1409,plain,
    ( ~ sQ29_spl
    | ~ sQ59_spl
    | sk6 = sk7 ),
    inference(forward_demodulation,[status(thm)],[f1024,f767]) ).

fof(f1423,plain,
    ! [X0,X1] :
      ( X1 = nil
      | ~ ssList(nil)
      | ~ ssList(X1)
      | ~ ssItem(skaf44(cons(X0,X1)))
      | ~ ssItem(X0)
      | ~ ssList(cons(X0,X1))
      | ~ singletonP(cons(X0,X1)) ),
    inference(resolution,[status(thm)],[f313,f413]) ).

fof(f1424,plain,
    ! [X0,X1] :
      ( skaf44(cons(X0,X1)) = X0
      | ~ ssList(nil)
      | ~ ssList(X1)
      | ~ ssItem(skaf44(cons(X0,X1)))
      | ~ ssItem(X0)
      | ~ ssList(cons(X0,X1))
      | ~ singletonP(cons(X0,X1)) ),
    inference(resolution,[status(thm)],[f313,f411]) ).

fof(f1428,definition,
    ! [X0,X1] :
      ( sQ97_spl
    <=> ( X1 = nil
        | ~ ssList(X1)
        | ~ ssItem(skaf44(cons(X0,X1)))
        | ~ ssItem(X0)
        | ~ ssList(cons(X0,X1))
        | ~ singletonP(cons(X0,X1)) ) ),
    introduced(definition,[new_symbols(definition,[sQ97_spl])],[split_symbol_definition]) ).

fof(f1431,plain,
    ( ~ sQ16_spl
    | sQ97_spl ),
    inference(split_clause,[status(thm)],[f1423,f1428,f606]) ).

fof(f1432,definition,
    ! [X0,X1] :
      ( sQ98_spl
    <=> ( skaf44(cons(X0,X1)) = X0
        | ~ ssList(X1)
        | ~ ssItem(skaf44(cons(X0,X1)))
        | ~ ssItem(X0)
        | ~ ssList(cons(X0,X1))
        | ~ singletonP(cons(X0,X1)) ) ),
    introduced(definition,[new_symbols(definition,[sQ98_spl])],[split_symbol_definition]) ).

fof(f1435,plain,
    ( ~ sQ16_spl
    | sQ98_spl ),
    inference(split_clause,[status(thm)],[f1424,f1432,f606]) ).

fof(f1560,plain,
    ( ~ sQ30_spl
    | ~ sQ59_spl
    | ~ sQ29_spl
    | app(sk3,sk7) = sk3 ),
    inference(forward_demodulation,[status(thm)],[f1402,f773]) ).

fof(f1639,plain,
    ( ~ sQ60_spl
    | ~ sQ59_spl
    | ~ sQ29_spl
    | sk7 = app(sk3,sk7) ),
    inference(forward_demodulation,[status(thm)],[f1402,f1028]) ).

fof(f1640,plain,
    ( ~ sQ60_spl
    | ~ sQ59_spl
    | ~ sQ29_spl
    | ~ sQ30_spl
    | sk7 = sk3 ),
    inference(forward_demodulation,[status(thm)],[f1560,f1639]) ).

fof(f1641,plain,
    ( ~ sQ60_spl
    | ~ sQ59_spl
    | ~ sQ29_spl
    | ~ sQ30_spl
    | sQ4_spl
    | $false ),
    inference(forward_subsumption_resolution,[status(thm)],[f1640,f1230]) ).

fof(f1642,plain,
    ( ~ sQ60_spl
    | ~ sQ59_spl
    | ~ sQ29_spl
    | ~ sQ30_spl
    | sQ4_spl ),
    inference(contradiction_clause,[status(thm)],[f1641]) ).

fof(f1643,plain,
    $false,
    inference(sat_refutation,[status(thm)],[f481,f485,f497,f510,f511,f512,f513,f529,f533,f575,f581,f582,f603,f612,f615,f643,f650,f652,f665,f693,f749,f754,f763,f775,f794,f833,f838,f932,f972,f991,f1021,f1026,f1030,f1033,f1186,f1350,f1358,f1360,f1431,f1435,f1642]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.01  % Problem  : SWC109-1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.02  % Command  : drodi -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.04/5.31  % Computer : n012.cluster.edu
% 0.04/5.31  % Model    : x86_64 x86_64
% 0.04/5.31  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.04/5.31  % Memory   : 8046.5625MB
% 0.04/5.31  % OS       : Linux 6.8.0-71-generic
% 0.04/5.31  % CPULimit : 300
% 0.04/5.31  % WCLimit  : 300
% 0.04/5.31  % DateTime : Mon Sep 21 07:55:42 UTC 2026
% 0.04/5.31  % CPUTime  : 
% 0.04/5.32  % Drodi V4.1.1
% 0.04/5.35  % Refutation found
% 0.04/5.35  % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.04/5.35  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.04/5.38  % Elapsed time: 0.054676 seconds
% 0.04/5.38  % CPU time: 0.191665 seconds
% 0.04/5.38  % Total memory used: 112.859 MB
% 0.04/5.38  % Net memory used: 112.559 MB
%------------------------------------------------------------------------------