TSTP Solution File: SET795+4 by Drodi---3.6.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.6.0
% Problem  : SET795+4 : TPTP v8.1.2. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n022.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Tue Apr 30 20:40:22 EDT 2024

% Result   : Theorem 11.32s 1.80s
% Output   : CNFRefutation 11.32s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :   14
% Syntax   : Number of formulae    :   84 (   9 unt;   0 def)
%            Number of atoms       :  386 (  31 equ)
%            Maximal formula atoms :   16 (   4 avg)
%            Number of connectives :  470 ( 168   ~; 176   |;  99   &)
%                                         (  18 <=>;   9  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   15 (   6 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :   16 (  14 usr;   8 prp; 0-4 aty)
%            Number of functors    :   13 (  13 usr;   4 con; 0-4 aty)
%            Number of variables   :  234 ( 214   !;  20   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f9,axiom,
    ! [X,A,B] :
      ( member(X,unordered_pair(A,B))
    <=> ( X = A
        | X = B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f12,axiom,
    ! [R,E] :
      ( order(R,E)
    <=> ( ! [X] :
            ( member(X,E)
           => apply(R,X,X) )
        & ! [X,Y] :
            ( ( member(X,E)
              & member(Y,E) )
           => ( ( apply(R,X,Y)
                & apply(R,Y,X) )
             => X = Y ) )
        & ! [X,Y,Z] :
            ( ( member(X,E)
              & member(Y,E)
              & member(Z,E) )
           => ( ( apply(R,X,Y)
                & apply(R,Y,Z) )
             => apply(R,X,Z) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f14,axiom,
    ! [R,E,M] :
      ( upper_bound(M,R,E)
    <=> ! [X] :
          ( member(X,E)
         => apply(R,X,M) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f20,axiom,
    ! [A,X,R,E] :
      ( least_upper_bound(A,X,R,E)
    <=> ( member(A,X)
        & upper_bound(A,R,X)
        & ! [M] :
            ( ( member(M,E)
              & upper_bound(M,R,X) )
           => apply(R,A,M) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f22,conjecture,
    ! [R,E,A,B] :
      ( ( order(R,E)
        & member(A,E)
        & member(B,E)
        & apply(R,A,B) )
     => least_upper_bound(B,unordered_pair(A,B),R,E) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f23,negated_conjecture,
    ~ ! [R,E,A,B] :
        ( ( order(R,E)
          & member(A,E)
          & member(B,E)
          & apply(R,A,B) )
       => least_upper_bound(B,unordered_pair(A,B),R,E) ),
    inference(negated_conjecture,[status(cth)],[f22]) ).

fof(f60,plain,
    ! [X,A,B] :
      ( ( ~ member(X,unordered_pair(A,B))
        | X = A
        | X = B )
      & ( member(X,unordered_pair(A,B))
        | ( X != A
          & X != B ) ) ),
    inference(NNF_transformation,[status(esa)],[f9]) ).

fof(f61,plain,
    ( ! [X,A,B] :
        ( ~ member(X,unordered_pair(A,B))
        | X = A
        | X = B )
    & ! [X,A,B] :
        ( member(X,unordered_pair(A,B))
        | ( X != A
          & X != B ) ) ),
    inference(miniscoping,[status(esa)],[f60]) ).

fof(f62,plain,
    ! [X0,X1,X2] :
      ( ~ member(X0,unordered_pair(X1,X2))
      | X0 = X1
      | X0 = X2 ),
    inference(cnf_transformation,[status(esa)],[f61]) ).

fof(f64,plain,
    ! [X0,X1,X2] :
      ( member(X0,unordered_pair(X1,X2))
      | X0 != X2 ),
    inference(cnf_transformation,[status(esa)],[f61]) ).

fof(f78,plain,
    ! [R,E] :
      ( order(R,E)
    <=> ( ! [X] :
            ( ~ member(X,E)
            | apply(R,X,X) )
        & ! [X,Y] :
            ( ~ member(X,E)
            | ~ member(Y,E)
            | ~ apply(R,X,Y)
            | ~ apply(R,Y,X)
            | X = Y )
        & ! [X,Y,Z] :
            ( ~ member(X,E)
            | ~ member(Y,E)
            | ~ member(Z,E)
            | ~ apply(R,X,Y)
            | ~ apply(R,Y,Z)
            | apply(R,X,Z) ) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f12]) ).

fof(f79,plain,
    ! [R,E] :
      ( pd0_0(E,R)
    <=> ( ! [X] :
            ( ~ member(X,E)
            | apply(R,X,X) )
        & ! [X,Y] :
            ( ~ member(X,E)
            | ~ member(Y,E)
            | ~ apply(R,X,Y)
            | ~ apply(R,Y,X)
            | X = Y ) ) ),
    introduced(predicate_definition,[f78]) ).

fof(f80,plain,
    ! [R,E] :
      ( order(R,E)
    <=> ( pd0_0(E,R)
        & ! [X,Y,Z] :
            ( ~ member(X,E)
            | ~ member(Y,E)
            | ~ member(Z,E)
            | ~ apply(R,X,Y)
            | ~ apply(R,Y,Z)
            | apply(R,X,Z) ) ) ),
    inference(formula_renaming,[status(thm)],[f78,f79]) ).

fof(f81,plain,
    ! [R,E] :
      ( ( ~ order(R,E)
        | ( pd0_0(E,R)
          & ! [X,Y,Z] :
              ( ~ member(X,E)
              | ~ member(Y,E)
              | ~ member(Z,E)
              | ~ apply(R,X,Y)
              | ~ apply(R,Y,Z)
              | apply(R,X,Z) ) ) )
      & ( order(R,E)
        | ~ pd0_0(E,R)
        | ? [X,Y,Z] :
            ( member(X,E)
            & member(Y,E)
            & member(Z,E)
            & apply(R,X,Y)
            & apply(R,Y,Z)
            & ~ apply(R,X,Z) ) ) ),
    inference(NNF_transformation,[status(esa)],[f80]) ).

fof(f82,plain,
    ( ! [R,E] :
        ( ~ order(R,E)
        | ( pd0_0(E,R)
          & ! [X,Y,Z] :
              ( ~ member(X,E)
              | ~ member(Y,E)
              | ~ member(Z,E)
              | ~ apply(R,X,Y)
              | ~ apply(R,Y,Z)
              | apply(R,X,Z) ) ) )
    & ! [R,E] :
        ( order(R,E)
        | ~ pd0_0(E,R)
        | ? [X,Y,Z] :
            ( member(X,E)
            & member(Y,E)
            & member(Z,E)
            & apply(R,X,Y)
            & apply(R,Y,Z)
            & ~ apply(R,X,Z) ) ) ),
    inference(miniscoping,[status(esa)],[f81]) ).

fof(f83,plain,
    ( ! [R,E] :
        ( ~ order(R,E)
        | ( pd0_0(E,R)
          & ! [X,Y,Z] :
              ( ~ member(X,E)
              | ~ member(Y,E)
              | ~ member(Z,E)
              | ~ apply(R,X,Y)
              | ~ apply(R,Y,Z)
              | apply(R,X,Z) ) ) )
    & ! [R,E] :
        ( order(R,E)
        | ~ pd0_0(E,R)
        | ( member(sk0_3(E,R),E)
          & member(sk0_4(E,R),E)
          & member(sk0_5(E,R),E)
          & apply(R,sk0_3(E,R),sk0_4(E,R))
          & apply(R,sk0_4(E,R),sk0_5(E,R))
          & ~ apply(R,sk0_3(E,R),sk0_5(E,R)) ) ) ),
    inference(skolemization,[status(esa)],[f82]) ).

fof(f84,plain,
    ! [X0,X1] :
      ( ~ order(X0,X1)
      | pd0_0(X1,X0) ),
    inference(cnf_transformation,[status(esa)],[f83]) ).

fof(f102,plain,
    ! [R,E,M] :
      ( upper_bound(M,R,E)
    <=> ! [X] :
          ( ~ member(X,E)
          | apply(R,X,M) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f14]) ).

fof(f103,plain,
    ! [R,E,M] :
      ( ( ~ upper_bound(M,R,E)
        | ! [X] :
            ( ~ member(X,E)
            | apply(R,X,M) ) )
      & ( upper_bound(M,R,E)
        | ? [X] :
            ( member(X,E)
            & ~ apply(R,X,M) ) ) ),
    inference(NNF_transformation,[status(esa)],[f102]) ).

fof(f104,plain,
    ( ! [R,E,M] :
        ( ~ upper_bound(M,R,E)
        | ! [X] :
            ( ~ member(X,E)
            | apply(R,X,M) ) )
    & ! [R,E,M] :
        ( upper_bound(M,R,E)
        | ? [X] :
            ( member(X,E)
            & ~ apply(R,X,M) ) ) ),
    inference(miniscoping,[status(esa)],[f103]) ).

fof(f105,plain,
    ( ! [R,E,M] :
        ( ~ upper_bound(M,R,E)
        | ! [X] :
            ( ~ member(X,E)
            | apply(R,X,M) ) )
    & ! [R,E,M] :
        ( upper_bound(M,R,E)
        | ( member(sk0_8(M,E,R),E)
          & ~ apply(R,sk0_8(M,E,R),M) ) ) ),
    inference(skolemization,[status(esa)],[f104]) ).

fof(f106,plain,
    ! [X0,X1,X2,X3] :
      ( ~ upper_bound(X0,X1,X2)
      | ~ member(X3,X2)
      | apply(X1,X3,X0) ),
    inference(cnf_transformation,[status(esa)],[f105]) ).

fof(f107,plain,
    ! [X0,X1,X2] :
      ( upper_bound(X0,X1,X2)
      | member(sk0_8(X0,X2,X1),X2) ),
    inference(cnf_transformation,[status(esa)],[f105]) ).

fof(f108,plain,
    ! [X0,X1,X2] :
      ( upper_bound(X0,X1,X2)
      | ~ apply(X1,sk0_8(X0,X2,X1),X0) ),
    inference(cnf_transformation,[status(esa)],[f105]) ).

fof(f150,plain,
    ! [A,X,R,E] :
      ( least_upper_bound(A,X,R,E)
    <=> ( member(A,X)
        & upper_bound(A,R,X)
        & ! [M] :
            ( ~ member(M,E)
            | ~ upper_bound(M,R,X)
            | apply(R,A,M) ) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f20]) ).

fof(f151,plain,
    ! [A,X,R,E] :
      ( ( ~ least_upper_bound(A,X,R,E)
        | ( member(A,X)
          & upper_bound(A,R,X)
          & ! [M] :
              ( ~ member(M,E)
              | ~ upper_bound(M,R,X)
              | apply(R,A,M) ) ) )
      & ( least_upper_bound(A,X,R,E)
        | ~ member(A,X)
        | ~ upper_bound(A,R,X)
        | ? [M] :
            ( member(M,E)
            & upper_bound(M,R,X)
            & ~ apply(R,A,M) ) ) ),
    inference(NNF_transformation,[status(esa)],[f150]) ).

fof(f152,plain,
    ( ! [A,X,R,E] :
        ( ~ least_upper_bound(A,X,R,E)
        | ( member(A,X)
          & upper_bound(A,R,X)
          & ! [M] :
              ( ~ member(M,E)
              | ~ upper_bound(M,R,X)
              | apply(R,A,M) ) ) )
    & ! [A,X,R,E] :
        ( least_upper_bound(A,X,R,E)
        | ~ member(A,X)
        | ~ upper_bound(A,R,X)
        | ? [M] :
            ( member(M,E)
            & upper_bound(M,R,X)
            & ~ apply(R,A,M) ) ) ),
    inference(miniscoping,[status(esa)],[f151]) ).

fof(f153,plain,
    ( ! [A,X,R,E] :
        ( ~ least_upper_bound(A,X,R,E)
        | ( member(A,X)
          & upper_bound(A,R,X)
          & ! [M] :
              ( ~ member(M,E)
              | ~ upper_bound(M,R,X)
              | apply(R,A,M) ) ) )
    & ! [A,X,R,E] :
        ( least_upper_bound(A,X,R,E)
        | ~ member(A,X)
        | ~ upper_bound(A,R,X)
        | ( member(sk0_14(E,R,X,A),E)
          & upper_bound(sk0_14(E,R,X,A),R,X)
          & ~ apply(R,A,sk0_14(E,R,X,A)) ) ) ),
    inference(skolemization,[status(esa)],[f152]) ).

fof(f158,plain,
    ! [X0,X1,X2,X3] :
      ( least_upper_bound(X0,X1,X2,X3)
      | ~ member(X0,X1)
      | ~ upper_bound(X0,X2,X1)
      | upper_bound(sk0_14(X3,X2,X1,X0),X2,X1) ),
    inference(cnf_transformation,[status(esa)],[f153]) ).

fof(f159,plain,
    ! [X0,X1,X2,X3] :
      ( least_upper_bound(X0,X1,X2,X3)
      | ~ member(X0,X1)
      | ~ upper_bound(X0,X2,X1)
      | ~ apply(X2,X0,sk0_14(X3,X2,X1,X0)) ),
    inference(cnf_transformation,[status(esa)],[f153]) ).

fof(f170,plain,
    ? [R,E,A,B] :
      ( order(R,E)
      & member(A,E)
      & member(B,E)
      & apply(R,A,B)
      & ~ least_upper_bound(B,unordered_pair(A,B),R,E) ),
    inference(pre_NNF_transformation,[status(esa)],[f23]) ).

fof(f171,plain,
    ( order(sk0_16,sk0_17)
    & member(sk0_18,sk0_17)
    & member(sk0_19,sk0_17)
    & apply(sk0_16,sk0_18,sk0_19)
    & ~ least_upper_bound(sk0_19,unordered_pair(sk0_18,sk0_19),sk0_16,sk0_17) ),
    inference(skolemization,[status(esa)],[f170]) ).

fof(f172,plain,
    order(sk0_16,sk0_17),
    inference(cnf_transformation,[status(esa)],[f171]) ).

fof(f174,plain,
    member(sk0_19,sk0_17),
    inference(cnf_transformation,[status(esa)],[f171]) ).

fof(f175,plain,
    apply(sk0_16,sk0_18,sk0_19),
    inference(cnf_transformation,[status(esa)],[f171]) ).

fof(f176,plain,
    ~ least_upper_bound(sk0_19,unordered_pair(sk0_18,sk0_19),sk0_16,sk0_17),
    inference(cnf_transformation,[status(esa)],[f171]) ).

fof(f177,plain,
    ! [R,E,X] :
      ( pd0_1(X,E,R)
    <=> ( ~ member(X,E)
        | apply(R,X,X) ) ),
    introduced(predicate_definition,[f79]) ).

fof(f178,plain,
    ! [R,E] :
      ( pd0_0(E,R)
    <=> ( ! [X] : pd0_1(X,E,R)
        & ! [X,Y] :
            ( ~ member(X,E)
            | ~ member(Y,E)
            | ~ apply(R,X,Y)
            | ~ apply(R,Y,X)
            | X = Y ) ) ),
    inference(formula_renaming,[status(thm)],[f79,f177]) ).

fof(f179,plain,
    ! [R,E] :
      ( ( ~ pd0_0(E,R)
        | ( ! [X] : pd0_1(X,E,R)
          & ! [X,Y] :
              ( ~ member(X,E)
              | ~ member(Y,E)
              | ~ apply(R,X,Y)
              | ~ apply(R,Y,X)
              | X = Y ) ) )
      & ( pd0_0(E,R)
        | ? [X] : ~ pd0_1(X,E,R)
        | ? [X,Y] :
            ( member(X,E)
            & member(Y,E)
            & apply(R,X,Y)
            & apply(R,Y,X)
            & X != Y ) ) ),
    inference(NNF_transformation,[status(esa)],[f178]) ).

fof(f180,plain,
    ( ! [R,E] :
        ( ~ pd0_0(E,R)
        | ( ! [X] : pd0_1(X,E,R)
          & ! [X,Y] :
              ( ~ member(X,E)
              | ~ member(Y,E)
              | ~ apply(R,X,Y)
              | ~ apply(R,Y,X)
              | X = Y ) ) )
    & ! [R,E] :
        ( pd0_0(E,R)
        | ? [X] : ~ pd0_1(X,E,R)
        | ? [X,Y] :
            ( member(X,E)
            & member(Y,E)
            & apply(R,X,Y)
            & apply(R,Y,X)
            & X != Y ) ) ),
    inference(miniscoping,[status(esa)],[f179]) ).

fof(f181,plain,
    ( ! [R,E] :
        ( ~ pd0_0(E,R)
        | ( ! [X] : pd0_1(X,E,R)
          & ! [X,Y] :
              ( ~ member(X,E)
              | ~ member(Y,E)
              | ~ apply(R,X,Y)
              | ~ apply(R,Y,X)
              | X = Y ) ) )
    & ! [R,E] :
        ( pd0_0(E,R)
        | ~ pd0_1(sk0_20(E,R),E,R)
        | ( member(sk0_21(E,R),E)
          & member(sk0_22(E,R),E)
          & apply(R,sk0_21(E,R),sk0_22(E,R))
          & apply(R,sk0_22(E,R),sk0_21(E,R))
          & sk0_21(E,R) != sk0_22(E,R) ) ) ),
    inference(skolemization,[status(esa)],[f180]) ).

fof(f182,plain,
    ! [X0,X1,X2] :
      ( ~ pd0_0(X0,X1)
      | pd0_1(X2,X0,X1) ),
    inference(cnf_transformation,[status(esa)],[f181]) ).

fof(f189,plain,
    ! [R,E,X] :
      ( ( ~ pd0_1(X,E,R)
        | ~ member(X,E)
        | apply(R,X,X) )
      & ( pd0_1(X,E,R)
        | ( member(X,E)
          & ~ apply(R,X,X) ) ) ),
    inference(NNF_transformation,[status(esa)],[f177]) ).

fof(f190,plain,
    ( ! [R,E,X] :
        ( ~ pd0_1(X,E,R)
        | ~ member(X,E)
        | apply(R,X,X) )
    & ! [R,E,X] :
        ( pd0_1(X,E,R)
        | ( member(X,E)
          & ~ apply(R,X,X) ) ) ),
    inference(miniscoping,[status(esa)],[f189]) ).

fof(f191,plain,
    ! [X0,X1,X2] :
      ( ~ pd0_1(X0,X1,X2)
      | ~ member(X0,X1)
      | apply(X2,X0,X0) ),
    inference(cnf_transformation,[status(esa)],[f190]) ).

fof(f196,plain,
    ! [X0,X1] : member(X0,unordered_pair(X1,X0)),
    inference(destructive_equality_resolution,[status(esa)],[f64]) ).

fof(f2169,plain,
    ! [X0,X1,X2,X3] :
      ( upper_bound(X0,X1,unordered_pair(X2,X3))
      | sk0_8(X0,unordered_pair(X2,X3),X1) = X2
      | sk0_8(X0,unordered_pair(X2,X3),X1) = X3 ),
    inference(resolution,[status(thm)],[f107,f62]) ).

fof(f3301,plain,
    ( spl0_180
  <=> member(sk0_19,sk0_17) ),
    introduced(split_symbol_definition) ).

fof(f3303,plain,
    ( ~ member(sk0_19,sk0_17)
    | spl0_180 ),
    inference(component_clause,[status(thm)],[f3301]) ).

fof(f3337,plain,
    ( $false
    | spl0_180 ),
    inference(forward_subsumption_resolution,[status(thm)],[f3303,f174]) ).

fof(f3338,plain,
    spl0_180,
    inference(contradiction_clause,[status(thm)],[f3337]) ).

fof(f3345,plain,
    ( spl0_189
  <=> apply(sk0_16,sk0_18,sk0_19) ),
    introduced(split_symbol_definition) ).

fof(f3347,plain,
    ( ~ apply(sk0_16,sk0_18,sk0_19)
    | spl0_189 ),
    inference(component_clause,[status(thm)],[f3345]) ).

fof(f3377,plain,
    ( spl0_193
  <=> apply(sk0_16,sk0_19,sk0_19) ),
    introduced(split_symbol_definition) ).

fof(f3379,plain,
    ( ~ apply(sk0_16,sk0_19,sk0_19)
    | spl0_193 ),
    inference(component_clause,[status(thm)],[f3377]) ).

fof(f4136,plain,
    ! [X0,X1,X2,X3,X4] :
      ( least_upper_bound(X0,X1,X2,X3)
      | ~ member(X0,X1)
      | ~ upper_bound(X0,X2,X1)
      | ~ upper_bound(sk0_14(X3,X2,X1,X0),X2,X4)
      | ~ member(X0,X4) ),
    inference(resolution,[status(thm)],[f159,f106]) ).

fof(f4550,plain,
    ! [X0,X1,X2,X3] :
      ( least_upper_bound(X0,X1,X2,X3)
      | ~ member(X0,X1)
      | ~ upper_bound(X0,X2,X1)
      | ~ member(X0,X1)
      | least_upper_bound(X0,X1,X2,X3)
      | ~ member(X0,X1)
      | ~ upper_bound(X0,X2,X1) ),
    inference(resolution,[status(thm)],[f4136,f158]) ).

fof(f4551,plain,
    ! [X0,X1,X2,X3] :
      ( least_upper_bound(X0,X1,X2,X3)
      | ~ member(X0,X1)
      | ~ upper_bound(X0,X2,X1) ),
    inference(duplicate_literals_removal,[status(esa)],[f4550]) ).

fof(f4557,plain,
    ( spl0_245
  <=> member(sk0_19,unordered_pair(sk0_18,sk0_19)) ),
    introduced(split_symbol_definition) ).

fof(f4559,plain,
    ( ~ member(sk0_19,unordered_pair(sk0_18,sk0_19))
    | spl0_245 ),
    inference(component_clause,[status(thm)],[f4557]) ).

fof(f4560,plain,
    ( spl0_246
  <=> upper_bound(sk0_19,sk0_16,unordered_pair(sk0_18,sk0_19)) ),
    introduced(split_symbol_definition) ).

fof(f4562,plain,
    ( ~ upper_bound(sk0_19,sk0_16,unordered_pair(sk0_18,sk0_19))
    | spl0_246 ),
    inference(component_clause,[status(thm)],[f4560]) ).

fof(f4563,plain,
    ( ~ member(sk0_19,unordered_pair(sk0_18,sk0_19))
    | ~ upper_bound(sk0_19,sk0_16,unordered_pair(sk0_18,sk0_19)) ),
    inference(resolution,[status(thm)],[f4551,f176]) ).

fof(f4564,plain,
    ( ~ spl0_245
    | ~ spl0_246 ),
    inference(split_clause,[status(thm)],[f4563,f4557,f4560]) ).

fof(f4567,plain,
    ( $false
    | spl0_245 ),
    inference(forward_subsumption_resolution,[status(thm)],[f4559,f196]) ).

fof(f4568,plain,
    spl0_245,
    inference(contradiction_clause,[status(thm)],[f4567]) ).

fof(f4957,plain,
    ( spl0_253
  <=> sk0_8(sk0_19,unordered_pair(sk0_18,sk0_19),sk0_16) = sk0_18 ),
    introduced(split_symbol_definition) ).

fof(f4958,plain,
    ( sk0_8(sk0_19,unordered_pair(sk0_18,sk0_19),sk0_16) = sk0_18
    | ~ spl0_253 ),
    inference(component_clause,[status(thm)],[f4957]) ).

fof(f4960,plain,
    ( spl0_254
  <=> sk0_8(sk0_19,unordered_pair(sk0_18,sk0_19),sk0_16) = sk0_19 ),
    introduced(split_symbol_definition) ).

fof(f4961,plain,
    ( sk0_8(sk0_19,unordered_pair(sk0_18,sk0_19),sk0_16) = sk0_19
    | ~ spl0_254 ),
    inference(component_clause,[status(thm)],[f4960]) ).

fof(f4963,plain,
    ( sk0_8(sk0_19,unordered_pair(sk0_18,sk0_19),sk0_16) = sk0_18
    | sk0_8(sk0_19,unordered_pair(sk0_18,sk0_19),sk0_16) = sk0_19
    | spl0_246 ),
    inference(resolution,[status(thm)],[f2169,f4562]) ).

fof(f4964,plain,
    ( spl0_253
    | spl0_254
    | spl0_246 ),
    inference(split_clause,[status(thm)],[f4963,f4957,f4960,f4560]) ).

fof(f5060,plain,
    ( upper_bound(sk0_19,sk0_16,unordered_pair(sk0_18,sk0_19))
    | ~ apply(sk0_16,sk0_18,sk0_19)
    | ~ spl0_253 ),
    inference(paramodulation,[status(thm)],[f4958,f108]) ).

fof(f5061,plain,
    ( spl0_246
    | ~ spl0_189
    | ~ spl0_253 ),
    inference(split_clause,[status(thm)],[f5060,f4560,f3345,f4957]) ).

fof(f5062,plain,
    ( $false
    | spl0_189 ),
    inference(forward_subsumption_resolution,[status(thm)],[f3347,f175]) ).

fof(f5063,plain,
    spl0_189,
    inference(contradiction_clause,[status(thm)],[f5062]) ).

fof(f5066,plain,
    ( upper_bound(sk0_19,sk0_16,unordered_pair(sk0_18,sk0_19))
    | ~ apply(sk0_16,sk0_19,sk0_19)
    | ~ spl0_254 ),
    inference(paramodulation,[status(thm)],[f4961,f108]) ).

fof(f5067,plain,
    ( spl0_246
    | ~ spl0_193
    | ~ spl0_254 ),
    inference(split_clause,[status(thm)],[f5066,f4560,f3377,f4960]) ).

fof(f5068,plain,
    ! [X0] :
      ( ~ pd0_1(sk0_19,X0,sk0_16)
      | ~ member(sk0_19,X0)
      | spl0_193 ),
    inference(resolution,[status(thm)],[f3379,f191]) ).

fof(f5074,plain,
    ! [X0] :
      ( ~ member(sk0_19,X0)
      | ~ pd0_0(X0,sk0_16)
      | spl0_193 ),
    inference(resolution,[status(thm)],[f5068,f182]) ).

fof(f5075,plain,
    ! [X0] :
      ( ~ member(sk0_19,X0)
      | ~ order(sk0_16,X0)
      | spl0_193 ),
    inference(resolution,[status(thm)],[f5074,f84]) ).

fof(f5077,plain,
    ( ~ member(sk0_19,sk0_17)
    | spl0_193 ),
    inference(resolution,[status(thm)],[f5075,f172]) ).

fof(f5078,plain,
    ( ~ spl0_180
    | spl0_193 ),
    inference(split_clause,[status(thm)],[f5077,f3301,f3377]) ).

fof(f5079,plain,
    $false,
    inference(sat_refutation,[status(thm)],[f3338,f4564,f4568,f4964,f5061,f5063,f5067,f5078]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.13  % Problem  : SET795+4 : TPTP v8.1.2. Released v3.2.0.
% 0.07/0.13  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.13/0.35  % Computer : n022.cluster.edu
% 0.13/0.35  % Model    : x86_64 x86_64
% 0.13/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35  % Memory   : 8042.1875MB
% 0.13/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit : 300
% 0.13/0.35  % WCLimit  : 300
% 0.13/0.35  % DateTime : Mon Apr 29 21:29:28 EDT 2024
% 0.13/0.35  % CPUTime  : 
% 0.13/0.37  % Drodi V3.6.0
% 11.32/1.80  % Refutation found
% 11.32/1.80  % SZS status Theorem for theBenchmark: Theorem is valid
% 11.32/1.80  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 11.32/1.84  % Elapsed time: 1.468541 seconds
% 11.32/1.84  % CPU time: 11.425591 seconds
% 11.32/1.84  % Total memory used: 128.756 MB
% 11.32/1.84  % Net memory used: 123.945 MB
%------------------------------------------------------------------------------